Among M, T, R and P, M is older than only P. T is older than R. Who among them is the oldest ?
 

Four of the following five are alike in a certain way and so form a group. Which is the one that does not belong to that group ?
 

How many meaningful English words can be formed with the letters ESRO using each letter only once in each word ?
 

If ‘P’ denotes ‘+’, ‘R’ denotes ÷, T denotes’  and ‘W’ denotes x, then
        40 R  8 W 10 T 12 P 16 = ?
 

What should come next in the following number sequence ?
        2 2 3 2 3 4 2 3 4 5 2 3 4 5 6 2 3 4 5 6 7 2 3 4

How many such pairs of letters are there in the word CONSTABLE each of which has as many letters between them in the word as in the English alphabet ?
 

In a certain code BOARD is written as 54#12 and MORE is written as 941$. How is DREAM written in the code ?
 

Four of the following five are alike in a certain way and so form a group. Which is the one that does not belong to that group ?
 

How many such digits are there in the number 5231698 each of which is as far away from the beginning of the number as when the digits are rearranged in ascending order ?
 

In a certain code ‘CREAM’ is written as NBDBQ. How is BREAD written in that code ?
 

In a certain code, the word DOUBT is written as '$#35&' and the word BONES is written as '5#@67'. How is the word STONE written in this code?

Amount five friend A,B,C,D and E each running at a different speed in a race. E ran faster than only two friends. A ran faster than D but slower than B. B did not run the fastest. Who ran the second   slowest?

Which of the following will come next in the following series
a z a b y a b c x a b c d w a b c d

in a certain code language,”TONIC’ is coded as ‘CINOT’ and ‘SCALE’ is coded as ‘ACELS’ In the  same code language, ‘PLANK’ will be coded as’…………?

Which of the following will come in the place of the question mark (?) in the following series based on the English alphabetical order?
YS RM LH ? CA

How many such pairs of letters are there in the word NEUTRAL, each of which has as many letters between them in the word (in both forward and backward directions) as they have between them in the English alphabetical series?

'Talk' is related to 'Speak' in a certain way. Similarly, 'Honest' is related to 'Truthful'. Following the same logic, 'Listen' is related to

Which of the following will come next in the following series?
09019012901239012349012345 9012345

How many such pairs of letters are there in '.he word WONDERS, each of which has as many letters between them in the word (in both forward and backward directions) as they have between them in the English alphabetical series?

In a certain code language, 'DRINK' is coded as 'JMHQC' and 'BLOTS' is coded as 'RSNKA'. In the same code language, 'HONEY' will be coded as

In a certain code PAUSE is written as OBVTD and SHIFT is written as RIJGS. How will THINK be written in the same code?

Ajay walked 2m towards east, took a right turn and walked 7m. He then took a left turn and walked 5m before taking a left turn and walking 7m. He then took a final right turn and walked lm before stopping. How far is Ajay from the starting point?

In a certain code DETAIL is written as BJMUFE. How is SUBMIT written in that code ?

If it is possible to make only one meaningful word from the second, the fourth, the sixth and the ninth letters of the word PROACTIVE, using each letter only once, second letter of that word is your answer. If more than one word can be formed your answer is M and if no such word can be formed your answer is N.
 

How many such pairs of letters are there in the word FOREHAND each of which have as many letters between them in the word as they have in the English alphabet ?
 

Four of the following five are alike in a certain way and so form a group. Which is the one that does not belong to the group ?
 

Veena walked 5m towards North, took a left turn and walked 7m. She took a left turn again and walked 8m before taking a left turn and walking 7m. She then took a final left turn and walked lm before stopping. How far is Veena from the starting point?

In a certain code IDEAS is written as HEDBR and WOULD is written as VPTMC. How will RIGHT be written in the same code?

Direction : Four of the following five are alike in a certain way based on the English alphabetical series and so form a group. Which is the one that does not belong to that group?

Direction : Four I the following five are alike in a certain m and so form a group. Which is the one tk does not belong to that group?

Direction : Four of the following five are alike in a certain way based on the English alphabetical series and so form a group. Which is the one that does not belong to that group?

Direction : Four of the following five are alike in a certain way based on the English alphabetical series and so form a group. Which is the one that does not belong to that group?

Direction : Four I the following five are alike in a certain m and so form a group. Which is the one tk does not belong to that group?

Direction : Four of the following five are alike in a certain way based on the English alphabetical series and so form a group. Which is the one that does not belong to that group?

Direction : Four of the following five are alike in a certain way based on the English alphabetical series and so form a group. Which is the one that does not belong to that group?

Direction : Four of the following five are alike in a certain way based on the English alphabetical series and so form a group. Which is the one that does not belong to that group?

Direction : Four of the following five are alike in a certain way and so form a group. Which is the one that does not belong to that group?

Direction : Four of the following five are alike in a certain way and so form a group. Which is the one that does not belong to that group?

If it is possible to make only one meaningful word with the first, fourth, fifth and tenth letters of the word TELEVISION, which of the following would be the second letter of that word from the right end? If no such word can be made, give ‘X’ as your answer and if more than one such word can be formed, give your answer as ’Y’

If each of the vowels in the word ‘GOLIATHS’ is changed to the next letter in the English alphabetical series and each consonant is changed to the previous letter in the English alphabetical series and then the alphabets so formed are arranged in alphabetical order from left to right, which of the following will be sixth from the left of the new arrangement thus formed?

In a certain code ‘TRUMP’ is written ‘SUTQN’. How is ‘FIRED’ written in that code?

How many such pairs of letters are there in the word FORMATION each of which has as many letters between them in the word (in both forward and backward directions) as they have between them in the English alphabetical order?

‘Music’ is related to ‘Notes’ in the same way as ‘Language’ is related to

How many meaningful English words can be formed with the letters ADIC using each letter only once in each word?

If the digits in the number 79246358 are arranged in descending order from left to right, what will be the difference between the digits which are third from the right and second from the left in the new arrangement?

Four of the following five are alike in a certain way and so form a group, which is the one that does not belong to that group?

In a certain language ‘give me more’ is coded as ‘735’, ‘she has more’ is coded as ‘972’ and ‘she asked me gently^’ is coded as ‘6321’. Which of the following is the code for ‘give’ in that language?

In a certain language ‘to be polite’ is coded as ‘fa so la’, ‘she is polite’ is coded as ‘so me pa’ and ‘to have manners’ is coded as ‘na la ma’. Which of the following is the code for ‘be’ in that language?

Lead’ is related to ‘Pencil’, in the same way as ‘Ink’ is related to

How many meaningful English words can be formed with the letters ONFT using each letter only once in each word?

The spot speeds (expressed in km/hr) observed at a road section are 66,62,45,79,32,51,56,60 53,and40. The median speed (expressed in km /hr )is ___________
(Note : answer with one decimal accuracy )

The optimum value of the function
F(x)=² – 4 + 2 is 

The kinematic indeterminacy of the place truss shown in the figure is 

An elastic isotropic body is in a hydrostatic state of stress as shown in the figure. For on change in the volume to occur, what should be its Poisson’s ratio ?

A motorist traveling at 100 km/h on a highway needs to take the next exit, which had a speed limit of 50 km/h. The section of the roadway before the ramp entry has a downgrade of 3% and coefficient of friction (f) is 0.35 . In order to enter the ramp at the maximum allowable speed limit the braking distance (expressed in m ) from the exit ramp is ___________

The critical flow rations for a three-phase signal are found to be 0.30, 0.25 and 0.25. The total time lost in the cycle is 10s. Pedestrian crossings at this junction are not significant .The respective Green times (expressed in seconds and rounded off to the neatest integer) for the three phases are

As per IS 456 -2000 for the design of reinforced concrete beam, the maximum allowable shear stress (j_cmax) depends on the

A water supply board is responsible for treating 1500m³/day of water. A settling column analysis indicates that an overflow rate of 20m/day will produce satisfactory removal for a depth of 3.1 m . It is decided to have two circular settling tanks in parallel . The required diameter (expressed in m) of the settling tanks is ___________.

As per  Indian standards for bricks , minimum acceptable compressive strength of any class of burnt  clay bricks in dry state is

A tall tower was photographed from an elevation of 700 m above the datum . The radial distances of the top and bottom of the tower from the principal points at 112.50 mm and 82 .40 mm, respectively. If the bottom of the tower is at an elevation 250 m above the datum then the height (expressed in m ) of the tower is ___________

A strip footing  is resting on the surface of a purely clayey soil deposit , if the width of he footing is doubled , the ultimate beating capacity of the soil

The relationship between the specific gravity of sand (G) and the hydraulic gradients (i) to initiate quick condition in the sand layer having porosity of 30% is.

The results of a consolidation test on an undisturbed soil , sampled at a depth of 10m below the ground level are as follows :
Saturated unit weight : 16 kN/m³
Pre –conslidation pressure : 90 kPa
The ware table was encountered at the ground level. Assuming the unit weight of water as 10kN/m³ , the over –consolidation ratio of the soil is

A sample of water has been analyzed for common ions and results are presented in the form of a bar diagram ad shown

The non-carbonate hardness (expressed in mg/L as Ca₃) of the sample is 
 

Water table fo an aquifer drops by 100 cm over an area of 1000 Km²  The porosity and specific retention of the aquifer material are 25% and 5% respectively. The amount of water (expressed in Km² ) drained out from the area is _________

A tracer takes 100 days to travel from well -1 to Well -2 which are 100m apart. The elevation of water surface I Well -2 is 3m below that in Well-1. Assuming porosity equal to 15% the coefficient of permeability (expressed in m/day) is

The atmospheric layer closest to the earth surface is

A water supply board is responsible for treating 1500m³/day of water. A settling column analysis indicates that an overflow rate of 20m/day will produce satisfactory removal for a depth o 3.1 m . It is decided to have two circular settling tanks in parallel . The required diameter (expressed in m) of the settling tanks is ___________.

The hardness of a ground  water sample was found to be 420 mg/L as CaCO_{3 .}A softener containing ion exchange resins was installed to reduce the total hardness to 75 mg/L as CaCO ₃  before supplying to 4 households Each household gets treated water at a rate of 540 L/day. If the efficiency of the softener is 100% ,the bypass flow rate (expressed in L/day )is___________

The sound pressure (expressed in µPa) of the faintest sound that a normal healthy individual can hear is

In the context of the IRC 58 -2011 guidelines for rigid pavement design, consider the following pair of statements .
I . Radius of relative stiffness is directly related to modulus of elasticity of concrete and inversely related to Poisson’s ratio
II . Radius of relative stiffness is directly related to thickness of slab and modulus of sugared raction.
Which one of the following combination s is correct ?

If the total number of commercial vehicles per day ranges from 3000 to 6000 ,the minimum percentage of commercial traffic to be surveyed for axle load is

Optimal flight planning  for a photogrammetric survey should be carried out considering

The reduced bearing of a 10m long line is N30⁰ E .The departure of the line is

A circular curve of radius R connects two straights with a deflection 60⁰  .The tangent length is

Consider the following linear system
X+2y-3z=a
2x+3y+3z=b
5x+9y-6z=c
This system is consistent if a, b, and c satisfy the equation

OMC –SP and MDD-SP denote the optimum moisture content and maximum dry density obtained from standard Proctor compaction test, respectively OMC –MP and MDD –MP denote the optimum moisture content and maximum dry density obtained from the modified Proctor compaction test , respectively which one of the following is correct ?

The angle of intersection of the curves ² =4y and y² =4x at point (0,0)is

The area between the parabola ² =8y and the straight line y = 8 is ___________

The quadratic approximation of f() = ³ – 5 atthepoint = 0 is 

The seepage occurring through an earthen dam is represented by a flow net   comprising of 10 equipotential drops and 20 flow channels. The coefficient of permeability of the soil is 3 mm /min and the head loss is 5m. The rate of seepage (expressed in c³ per m length of the dam) through the earthen dam is___________

The area between the parabola x² =8y and the straight line y = 8 is ___________

Consider the following linear system
X+2y-3z=a
2x+3y+3z=b
5x+9y-6z=c
This system is consistent if a, b, and c satisfy the equation

A circular curve of radius R connects two straights with a deflection 60⁰ .The tangent length is

The reduced bearing of a 10m long line is N30⁰E .The departure of the line is

Optimal flight planning for a photogrammetric survey should be carried out considering

If the total number of commercial vehicles per day ranges from 3000 to 6000 ,the minimum percentage of commercial traffic to be surveyed for axle load is

In the context of the IRC 58 -2011 guidelines for rigid pavement design, consider the following pair of statements .
I . Radius of relative stiffness is directly related to modulus of elasticity of concrete and inversely related to Poisson’s ratio
II . Radius of relative stiffness is directly related to thickness of slab and modulus of sugared raction.
Which one of the following combination s is correct ?

The hardness of a ground  water sample was found to be 420 mg/L as CaCO_{3 .}A softener containing ion exchange resins was installed to reduce the total hardness to 75 mg/L as CaCO ₃  before supplying to 4 households Each household gets treated water at a rate of 540 L/day. If the efficiency of the softener is 100% ,the bypass flow rate (expressed in L/day )is___________

The seepage occurring through an earthen dam is represented by a flow net   comprising of 10 equipotential drops and20 flow channels. The coefficient of permeability of the soil is 3mm /min and the head loss is 5m. The rate of seepage (expressed in cm³ /s  per m length of the dam) through the earthen dam is___________

The atmospheric layer closest to the earth surface is

OMC –SP and MDD-SP denote the optimum moisture content and maximum dry density obtained from standard Proctor compaction test, respectively OMC –MP and MDD –MP denote the optimum moisture content and maximum dry density obtained from the modified Proctor compaction test , respectively which one of the following is correct ?

The relationship between the specific gravity of sand (G) and the hydraulic gradients (i) to initiate quick condition in the sand layer having porosity of 30% is.

A strip footing is resting on the surface of a purely clayey soil deposit , if the width of the footing is doubled , the ultimate beating capacity of the soil

As per Indian standards for bricks, minimum acceptable compressive strength of any class of burnt  clay bricks in dry state is

The ordinates of a one –hour unit hydrograph a sixty minute interval are 0,3,12,8,6,3 and 0m³ /s A two –hour storm of 4cm excess rainfall occurred in the basin from 10aM . Considering constant base flow of 20m³ /s ,the flow fi the fiver (expressed in m³ /s at 1Pm is __________

A 3m wide rectangular channel carries a flow of 6m³ /s .The depth of flow at a section P is 0.5 m. A flat – topped hump is to be placed at the downstream of the section P. Assume negligribe energy loss between section P and hump , and consider  g as 9.81 m/s² . The maximum height of the hump  (expressed in m) which will not change the depth of flow at section P is __________

A penstock of 1m diameter and 5 km length is used to supply water from a reservoir to an impulse turbine. A nozzle of 15cm diameter is fixed at the end of the penstock . The elevation difference between the turbine and water level in the reservoir is 500 m. Consider the head loss due to friction as 5% of the velocity head available at the jet. Assume unit weight of water = 10kN/m³  and acceleration due to gravity (g) =10kN / s² If the overall efficiency is 80% power generated (expressed in kW and rounded to nearest integer ) is ………..

A tracer takes 100 days to travel from well -1 to Well -2 which are 100m apart. The elevation of water surface I Well -2 is 3m below that in Well-1. Assuming porosity equal to 15% the coefficient of permeability (expressed in m/day )is

The optimum value of the function F(x)= x² - 4x + 2 is

A noise meter located at a distance of 30 m from a point source recorded 74 dB. The reading at a distance of 60 m from the point source would be ___________

For a wastewater sample , the three –day biochemical oxygen demand at incubation temperature of 20⁰ C (BOD_3day,20⁰c) is estimated as 200mg/L. Taking the value fo the first order BoD reacting rate constant as 0.22 day¹  the five day BOD (expressed I nmg /L ) of he wastewater at incubation temperature o f20 ⁰C  (BOD _5day,20⁰c) would be __________

The critical flow rations for a three-phase signal are found to be 0.30 , 0.25 and 0.25. The total time lost in the cycle is 10s. Pedestrian crossings at this junction are not significant .The respective Green times (expressed in seconds and rounded off to the neatest integer ) for the three phases are

A motorist traveling at 100 km/h on a highway needs to take the next exit, which had a speed limit of 50 km/h. The section o the roadway before the ramp entry has a downgrade of 3% and coefficient of friction (f) is 0.35 . In order to enter the ramp at the maximum allowable speed limit the braking distance (expressed in m ) from the exit ramp is ___________

A tall tower was photographed from an elevation of 700 m above the datum . The radial distances of the top and bottom of the tower from the principal points at 112.50 mm and 82 .40 mm, respectively. If the bottom of the tower is at an elevation 250 m above the datum then the height (expressed in m ) of the tower is ___________

The is no aloe of x that can simultaneously satisfy both the given equations Therefore find the teats squares error ‘ solution to the two equation I .e. find the value of x that minimizes the sum of squares of the errors in the two equations ____________
2x = 3
4x = 1

What is the minimum number is multiplications involved in computing the matrix product PQR ? Matrix P has 4 rows and 2 columns matrix Q has 2 rows and 4 columns and matrix R has 4 rows and 1 column ___________________

A 1-h rainfall of 10cm magnitude at a station has a return period of 50 years.The probability that a1-h rainfall of magnitude 10cm or more will occur in each of two successive years is

Maximum possible value of compacting Factor for fresh (green )concrete is

As per  Is 800: 2007 , the cross section in which the extreme fiber can reach the yield stress, but cannot develop the plastic moment of resistance due to failure by local buckling is classified as

The creep strains are

As per is 456-2000  for M20 grade concrete and plain basin tension the design bond stress j_bd =1.2 M Pa Further IS 456 ;2000 permits this design bond stress value to be increased by 60% for HSD bars. The stress in the HSD Reinforcing steel basin tension a_s =360 M Pa. Find the required development length L_d for HSD basin terms of the bar diameter  ⍰ ____________

The ‘plane section remains plane’ assumption in bending theory implies :

Two steel columns P (length L and yield strength f_y = 250MPa) and Q (length 2L and yield strength f_y = 500MPa) have the same cross – sections and end – conditions The ratio of buckling load of Colum P to that of column Q is

The pin –jointed 2-D truss is loaded with a horizontal l force of 15 kN at joint s and another 15 kN vertical force at joint U as shown. Find the force in member Rs (in kN ) and report your answer taking tension as positive and compression as negative ____________

A symmetric I-section (with width of each flange = 50 mm , thickness of each flange =10 mm depth of web = 100 mm , and thickness of web = 10mm ) of steel is subjected top shear force of 100 kN. Find the magnitude of the shard stress (in N/mm² )in the web at its junction with the top flange __________

In its natural condition , a soil sample has a mass of 1.980 kg and  a volume of 0.001 m³ . After being completely dried in an oven the mass of  the sample is 1.800 kg . Specific gravity G is 2.7 Unit weight of water is 10 kN/m³ .The degree of saturation of the soil is

The ratio N_f/ N_d is known as shape factor where N _f is the number of flow lines and N_d  is the number f oequipltential drops. Flow net is always drawn with a constant b/a ratio ,where b and a are distances between two consecutive flow lines and equipotential lines respectively. Assuming that b/a ratio remains the same the shape factor of a flow nit will change if the

Following statements are made of on compacted soils wherein DS stands for the coils compacted on dry side of optimum moisture content and WS stands side for the soils compacted on wet side of optimum moisture content Identify the Incorrect statement

Four columns of a building are to be located within a plot size of 10m x10m The expected load on each column is 4000 kN . Allowable bearing capacity of the soil deposit is 100 kN/m² the type of foundation best suited is

For subcritical flow in an open channel, the control section for gradually varied flow profiles is

Group –I contains dimensionless parameters and Group II contains the rations 
          Group I               Group II
P. Mach Number           1. Ratio of inertial force and  
                                                              gravitational force
Q. Reynolds Number     2. Ratio of fluid velocity and velocity of sound
R . Weber Number              3. Ratio of inertial force and viscous force
S. Froude Number                 4. Ratio of inertial force and surface tension force
The correct match of dimensionless parameters in Group –I with ratios in group II is

For a two dimensional flow field the stream function  id given n as  the magnitude of discharge occurring between the stream lines passing through points (0.3) and (3,4 )is

An isohyets is a line joining points of

Some of the water quality parameters are measured by titration a water sample with a tartan Group –I gives list of parameters and Group –II gives the list of tartans
 Group –I                            Group –II
P. Alkalinity                   1 .N/35.5 agNO₃
Q. Hardness                  2. N/40 Na₂S₂O₃   
R. chloride                    3. N/50 H₂ SO₂  
S. Dissolved oxygen    4, N/50 EDTA
The correct match of water quality parameters in Group I with tartans in Group –II is

A water treatment plant is designed to treat 1m^3/s  of  raw water.  It has 14 sand filters Surface area of each filter is 50m²  What is the loading rate  with two filters out of service for routine backwashing ?______________

Select the strength parameter o f concrete used in design of plain jointed cement concrete pavements from the following choices

For two major roads with divided carriageway crossing at right angle a full clover leaf interchange with four indirect ramps is provided Following statements made on turning movements of vehicles to all directions from both roads Identify the correct statement 

The latitude and departure of a line AB are +78 m and -45 .1m respectively The whole circle beating of the line AB is

The state of 2D –stress at  a point is given by the following marix of stresses :

What is the magnitude of maximum shear stress in MPa ?

Find the magnitude of the error (correct to two decimal places )in the estimation of following integral using Simpson’s  Rule Take the step length as1._________

The solution for

Find the value of λ such that the function f(x) is a valid probability density function ________
f() = λ (x – 1)(2 – x) for 1< x > 2 = 0 otherwise

Laplace equation for water flow in soils in given blow

Head H does not vary in U and z directions Boundary conditions are : x=0,H=5; and  =-1
What sit h value of  Hat x =1.2 ? __________

All members in the rigid –jointed frame shown are prismatic and have the same flexural stuffiness EI . Find the magnitude of the bending moment at Q (in kN m )due to the given loading ____________

A uniform beam(EI=constant ) PQ in the in the form of a quarter- circle of radius R is fixed attend P and free at the en Q where aloud W is applied as shown the vertical downward displacement δ_α at the loaded point Q is  given by :  Find the value of β (correct t o4-decimal places ) .

A uniform beam weighting 1800 N is supported at E and F by cable ABCD. Determine the tension (in N ) in segment AB of this cable (correct of 1-decimal place ) .Assume the cables ABCD BE and CF to be weightless __________

Bean PQRS has internal hinges in spans PQ and RS as shown . The beam may be subjected to a moving distributed vertical load of maximum intensity 4kN/m of any length anywhere on the beam the maximum absolute value of the shard force (in kN) that can occur due to this loading just to the right of support Q shall be

A   rectangular concrete beam 250 mm wide and 600 deep is pre –stressed by means of 16 high tensile wits each of 7mm diameter, located at 200mm from the bottom face of the beam at  a given section .If the effective pre – stress in the wires is 700 M Pa . What is the maximum sagging bending moment (in kN m )correct to 1- decimal place ) due to live load that this section of the beam can withstand without causing ensile stress at the bottom face of the beam ? Neglect the effect of dead load of beam ____________

The soil profile elbow a lake with water level at elevation -0 m and lake bottom at elevation =- 10m is shown in the figure where k is the permeability coefficient. A pyrometer (stand pipe ) installed in the sand layer shows reading of +10 m elevation . Assume that the piezometric head is uniform in the sand layer. The quantity of water (in ) flowing in to the lake from the and layer through he silt layer per unit area o the lade bed is

The soil profile above the rock surface for a 25⁰ infinite slope is shown in the figure where s_u is the undrained shear strength and y_t is total unit weight the slip will occur at a depth o f

Two different soil types (Soil 1 and Soil 2) are used as backfill behind a retaining wall as shown in the figure where y_t is total unit weight and c’ and ⍰ are effective cohesion and effective angle of shearing resistance .The resultant active earth force per unit length (in kN/M ) acting on the wall is

A 2 km long pipe of 0.2  m diameter connects two reservoirs. The difference between water levels  in the reservoirs is 8 m. The Darcy Weisbachfriction factor of the pipe is 0.04 Accounting for frictional entry and exit losses the velocity in the pipe (in m /s) is 

The normal depth in a wide rectangular channel is increased by 10%.  The percentage increase in the discharge in the channel is

The transplantation of rice requires10days and total depth of water required during transplant  total depth of water required. during transplantation is 48 cm.  During transplantation there is an effective rainfall (useful for irrigation of 8cm. The duty of irrigation water ( in hectares/cumec) is

A settling tank in a water treatment plant is designed for a surface overflow rate of 30 . Assume specific gravbity of sediment particles = 2.65, density of water (p) = 1000 kg/m³, dynamic viscosity of water (µ) = 0.001 N.s/ m², and Stokes’ law is valid. The approximate minimum size of particles that would be completely removed is

A student began experiment for determination of 5-day, 20⁰ C BOD on Monday. Since the 5^th day fell on Saturday, the final DO readings were taken on next Monday. On calculation, BOD (i.e. 7 day, 20⁰ C) was found to be 150 mg/L. What would be the 5-day, 20⁰ C  BOD (in mg/L)? Assume value of BOD rate constant (k) at standard temperature of 20⁰ C as 0.23/day (base e). _________

Elevation and temperature data for a place are tabulated below:

Elevation, m	Temperature, 0C
4	21.25
444	15.70

Based on the above data, lapse rate can be referred as

The percent voids in mineral aggregate (VMA) and percent air voids (V_u)in a compacted cylindrical bituminous mix specimen are 15 and 4.5 respectively. The percent voids filled with bitumen (VFB) for this specimen is

Following bearings are observed while traversing with a compass.

Line	Fore Bearing	Back Bearing
AB	126045’	308000'
BC	49015'	227030'
CD	340030'	161045'
DE	258030'	78030'
EA	212030'	31045'

After applying the correction due to local attraction, the corrected fore bearing of line BC will be