The principal stresses at a point are 2  (tensile) and  (compressive), and the stress at elastic limit for the material in simple tension is 210 N/mm². According to maximum shear strain theory, the value of  at failure is

Which of the following statements are correct ?
1. Cranes are employable in moving and/or hoisting loads.
2. With the use of dipper and stick, power shovels can be used as hoes.
3. Ovedrive for higher speeds is a facility often used comfortably in the working of a tractor.
4. Clam shells are less desirable than draglines if the material is water-saturated.

Two similar bars of Steel and Aluminium are heated to a same temperature. Forces are applied at the ends of the bars to maintain their lengths unaltered. If the  ratio of Young’s moduli of Steel and Aluminium is 3, and the ratio of the coefficients of thermal expansion of Steel to that of aluminium is 0.5, what is the stress on the Aluminium bar if the stress on the Steel bar is 100 MPa ?

A structural steel beam has an unsymmetrical I-cross-section. The overall depth of the beam is 200 mm. The flange stresses at the top and bottom are 120 N/mm² and 80 N/mm², respectively. The depth of the natural axis from the top of the beam will be

In the analysis of beams subjected to loads, the point with Nil Bending Moment can be a
1. Point of Contraflexure
2. Point of Maximum Shear Force
3. Point of Inflection
Which of the above statements is/are correct ?

A tractor has a permissible loaded speed of 200 m/minute, which can increase by 25% when the load is removed/deposited. Generally, it is operated at 80% of the permissible speed (loaded unloaded). It works at a location where haul distance is 120 m. Rest allowance per round-trip is taken as 50 seconds on an average. Fixed time per trip, for loading and unloading and turnaround, etc., is 30 seconds. What is its effective cycle time?

The purpose of lateral ties in a short RC column is to

When a two-hinged parabolic arch is subjected to a rise in ambient temperature, the horizontal thrust at the support will

In the slope-deflection equations, deformations are considered to be caused by

The maximum bending moment caused by a set of concentrated moving loads is

Consider the following statements:
1. IS 3583 refers to Burnt Clay Paving Bricks.
2. IS 5779 refers to Burnt Clay Soling Bricks.
3. IS 3952 refers to Burnt Clay Hollow Bricks.
4. IS 2222 refers to Burnt Clay Lay Bricks.
Which of the above statements are correct?

Consider the following statements:
1. A high aggregate impact value indicates strong aggregates.
2. A low aggregate crushing value indicates high crushing strength of aggregates.
3. Aggregates having elongation index values greater than 15% are generally considered suitable for pavement construction.
4. Flakiness index of aggregates should not be less than 25% for use in road construction.
Which of the above statements are correct?

Consider the following statements regarding refractory bricks in furnaces:
1. The furnace is fired at temperatures more than 1700°C.
2. Silica content in the soil should be less than 40%.
3. Water absorption of bricks should not exceed 10%
4. Chrome bricks are known as basic bricks. Which of the above statements are correct?

Consider the following statements about lime:
1. Calcination of limestone results in quick lime.
2. Lime produced from pure variety of chalk is hydraulic lime.
3. Hydrated lime is obtained by treating quick lime with water.
Which of the above statements are correct?

Consider the following statements:
1. If more water is added to concrete for increasing its workability, it results into concrete of low strength.
2. No slump is an indication of a good workable concrete.
3. Higher the slump of concrete, lower will be its workability.
4. Workability of concrete is affected by water content as well as water-cement ratio.
Which of the above statements are correct?

Pozzolana used as an admixture in concrete has the following advantages:
1. It improves workability with lesser amount of water.
2. It increases the heat of hydration and so lets the concrete set quickly.
3. It increases the resistance of concrete to attack by salts and sulphates.
4. It leaches out calcium hydroxide.
Select the correct answer using the codes given below:

Consider the following statements regarding Cyclopean Concrete:
1. Size of aggregate is more than 150 mm.
2. Size of aggregate is less than 150 mm.
3. High slump.
4. High temperature rise due to heat of hydration.
Which of the above statements are correct?

A chain, working a crane, has sectional area of 625 mm² and transmits a load of 10 kN. When the load is being lowered at a uniform rate of 40 m/min, the chain gets jammed suddenly at which time the length of the chain unwound is 10m. Assuming E = 200 GPa, the stress induced in the chain due to this sudden jamming is

In mild steel specimens subjected to tensile test cycle, the elastic limit in tension is raised and the elastic limit in compression is lowered, This is called

Consider the following statements :
1. The shear stress distribution across the section of a circular shaft subjected to twisting varies parabolically.
2. The shear stress at the centre of a circular shaft under twisting moment is zero
3. The shear stress at the extreme fibres of a circular shaft under twisting moment is maximum.
Which of the above statements is/are correct?

The span of a cantilever beam is 2m. The cross-section of the beam is a hollow square with external sides 100 mm; and its 1 = 4 × 105 mm⁴. The safe bending stress for the beam material is 100 N/mm². The safe concentrated load at the free end would be

Consider the following statements in respect of arched construction made of voussoirs:
1. The superimposed load is transferred to the sidewalls only by the strength of cohesion of the mortar between the voussoirs.
2. The arch may fail under crushing when the compressive stress or thrust in it exceeds the safe crushing strength of the voussoir material.
3. Every element in the arch is subjected to compression only.
4. Failure of the arch due to the sliding of any voussoir past the adjacent one due to transverse shear can be avoided by reducing the height of the voussoirs.
Which of the above statements are correct?

Which of the following are examples of indeterminate structures?
1. Fixed beam
2. Continuous beam
3. Two-hinged arch
4. Beam overhanging on both sides
Select the correct answer using the codes given below:

A cantilever beam, 3m long, carries a uniformly distributed load over the entire length. If the slope at the free end is 1°, the deflection at the free end is

The maximum bending moment at a given section, in which a train of wheel loads moves occurs when the average load on the left segment is
1. Equal to the average load on the right segment.
2. More than the average load on the right segment.
3. Less than the average load on the right segment.
Select the correct answer using the codes given below:

A single degree of freedom system of mass 22 kg and stiffness 17 kN/m vibrates freely. If damping in the system is 2%, the cyclic frequency and the damped circular frequency, respectively, are nearly

A cable of insignificant weight, 18 m long, is supported at its two ends, 16m apart, at the same level. The cable supports at its mid-reach a load of 120 N. The tension in the cable is nearly

The design strength of a tension member is governed by
1. Rupture at a critical section
2. Yielding of gross area
3. Block shear of end region
Select the correct answer using the codes given below:

A beam-column is alternately bent either (1) in single curvature, or (2) in double curvature. The secondary moments induced are to be compared. These are indicated SM₁ and SM₂ as per the conditions (1) and (2) respectively

Gantry girders can be designed
1. As laterally supported beams.
2. As laterally unsupported beams.
3. By using channel sections.
Select the correct answer using the codes given below:

A three-hinged parabolic arch ABC has a span of 20 m and a central rise of 4·0 m. The arch has hinges at the ends and at the crown. A train of two point loads of 20 kN and 10 kN, 5 m apart, crosses this arch from left to right, with the 20 kN load leading. The maximum thrust induced at the supports is

According to IS : 875 Part 3, the design wind speed acting on industrial roof is estimated based on the basic wind speed by multiplying it by factors K₁,K₂ andK₃, where K₁ is called

Consider the following two statements regarding Bearing stiffeners provided at the location of a concentrated load:
1. Bearing stiffeners have to resist bearing and buckling loads.
2. Bearing area and the area resisting buckling load are the same.
Which of the above statements is/are correct?

In a plate girder, the web plate is connected to the flange plates by fillet welding. The size of the fillet welds is designed to safely resist

A certain R.C. short column with 300 mm square cross-section is made of M 20 grade concrete and has 4 numbers, 20 mm diameter, longitudinal bars of Fe 415 grade steel. It is under the action of a concentric axial compressive load. Ignoring the reduction in the area of concrete due to the steel bars, the ultimate axial load carrying capacity of the column as by the relevant code is

A rectangular beam of size 230 mm × 350 mm beam is (effective depth). The factored shear force acting at a section is 80 kN. If the permissible shear stress in concrete is 0·25 MPa, the design shear force is nearly

In a combined footing for two columns carrying unequal loads, the maximum hogging moment occurs at

Consider the following statements:
1. The minimum steel requirements of slabs are based on considerations of shrinkage and temperature effects alone, and not on strength.
2. Providing excessive reinforcement in beams can result in congestion, thereby adversely affecting the proper placement and compaction of concrete.
Which of the above statements is/are correct?

A T-beam becomes identical to a rectangular beam with width equal to its flange width when the neutral axis is

Consider the following statements in the light of IS : 456 - 2000 :
1. There is an upper limit on the nominal shear stress in beams (even with shear reinforcement) due to the possibility of crushing of concrete in diagonal compression.
2. A rectangular concrete slab whose length is equal to its width may not be a two-way slab for certain definable support conditions.
Which of the above statements is/are correct?

One bag of Portland cement, 50 kg in weight, would normally have a bulk volume of

AsCu, a preservative for wood, developed by the Forest Research Institute, Dehradun, comprises of chemicals:

Consider the following statements related to autoclave bricks:
1.Less water absorption compared to other bricks.
2.Noise reduction
3.It is cheap compared to other types of bricks.
4.Requirement of bulk volume of mortar in joints being relatively less compared to other types of brick masonry.
5.Not recommended for outer walls. 
Which of the above statements are relevant to the use of ‘autoclave’ bricks? 

The minimum number of annular rings to be seen in every 2.54 cm in the radial direction from the core for timber to be classified as ‘Dense’ is

If the actual thickness of a brick masonry wall is 19 cm, its effective length is 2.70 m, its effective height is 2.82 m and its code specified stiffening coefficient is 1.2 then, for design considerations, the slenderness ratio of the wall will be taken as

Consider the following forms of water in a hydrated cement paste:
1.Capillary water
2.Chemically combined water
3.Interlayer water
4.Adsorbed water 
Which of the above forms of water will, on its/their removal, cause shrinkage of the paste? 

Consider the following statements:High early strength of cement is obtained as a result of
1.Fine grinding.
2.Decreasing the lime content
3.Burning at higher temperature
4.Increasing the quality of gypsum. 
Which of the above statements are correct? 

Consider the following statements related to ‘composite mortar’:
1.Addition of lime to cement mortar improves its workability
2.Composite mortar is obtained by adding 10% by weight of cement and mixing with water.
3.Composite mortar is not preferred in tall buildings.
4.Mechanical grinding is essential for developing composite mortar.Which of the above statements are true in this case? 

Consider the following statements related to ‘non-destructive testing’ of concrete:
1.Indentation test is used to assess the quality of concrete.
2.Resonant Frequency Method is based on a laboratory test.
3.Compressive strength of concrete is estimated through Pulse Velocity Measurement.
4.Dynamic modulus of Elasticity is determined by a Sonometer Test.
5.Thickness of concrete can be estimated by in-situ Rebound Hammer Test. 
Which of the above statements are correct? 

What is the amount of water required for a workable RC of mix 1 : 2: 4 by weight., when W/C is 0-60 and unit weight of concrete is 2400 kg/m³?

Which IS code is used for classification of timber for seasoning purposes?

Consider the following with regard to the application of preservation of timber:
1.Increase in the life span of the member
2.Increase in the strength of the timber
3.Removal of moisture
4.Prevention of growth of fungi by killing them 
Which of the above are correct?

The plies in plywood are so placed that the grains of each ply are

Which of the following is an ODD one as regards ‘requirement of good brick-earth’?

The compressive strength of heavy-duty bricks, as per IS : 2980-1962, should not be less than

Consider the following statements:
1.Brickwork will have high water tightness.
2.Brickwork is preferred for monument structures.
3.Bricks resist fire better than stones
4.Bricks of good quality shall have thin mortar bonds. 
Which of the above statements are correct?

Consider the following statements:A good soil for making bricks should contain
1.30% alumina
2.10% lime nodules
3.Only small quantity of iron oxides
4.15% magnesia 
Which of the above statements are correct?

Which compound of cement is responsible for strength of cement?

Which type of cement is recommended in large mass concrete works such as a dam?

Consider the following statements regarding ‘setting of cement’:
1.Low-heat cement sets faster than OPC.
2.Final setting time decides the strength of cement
3.Initial setting time of Portland Pozzollona is 30 minutes
4.Air-induced setting is observed when stored under damp conditions.
4.Addition of gypsum retards the setting time. 
Which of the above statements are correct? 

Consider the following statements regarding ‘strength of cement’:
1.Strength test on cement is made on cubes of cement-sand mix.
2.Water to be used for the paste is 0.25 P, where P is the water needed for normal consistency.
3.The normal consistency is determined on Le Chatelier’s principle.
4.Cubes are cast in two layers in leak-proof moulds further compacted in each layer by vibration on a machine. 
Which of the above statements are correct? 

Which of the following ingredients refer to binding material of mortar?
1.Cement
2.Lime
3.Sand
4.Ashes 
Select the correct answer using the code given below. 

Consider the following statements:
1.Bricks in masonry are bound by mortar.
2.Mortars make brick damp-proof.
3.Strength of brick in masonry is improved by plastering.
4.Addition of lime improves workability.
5.Marine construction needs sulphate-resistant cement mortar. 
Which of the above statements are relevant for ‘cement mortar’? 

Consider the following parameters of concrete:
1.Impermeability
2.Compactness
3.Durability
4.Desired consistency
5.Workability 
Which of the above parameters are relevant for ‘water-cement ratio’? 

Consider the following statements:Presence of Na₂O and K₂O in concrete leads to
1.Expansive reaction in concrete
2.Cracking of concrete
3.Disruption of concrete
4.Shrinkage of concrete 
Which of the above statements are correct? 

The maximum total quantity of dry aggregate by mass per 50 kg of cement, to be taken as the sum of the individual masses of fine and coarse aggregates (kg), for M20 grade of concrete is

Absorption capacity of an aggregate refers to the difference expresses in appropriate proportion in water content between

Consider the following statements concerning  ‘elasticity of concrete’:
1.Stress-strain behavior of concrete is a straight line up to 10% ultimate stress.
2.Strain determination is obtained from tangent modulus.
3.Modulus of elasticity of concrete is also called as secant modulus. 
Which of the above statements are correct? 

Consider the following statements :The addition of CaCl₂ in concrete results in
1.Increased shrinkage
2.Decreased setting time
3.Decreased shrinkage
4.Increased setting time 
Which of the above statements are correct? 

Which of the following statements are correct ?
1.Knots in a tree affect the continuity of fibres.
2.Nail knots do not influence the strength of timber.
3.Druxiness of wood is not a defect.
4.Tall trees with twisted fibers give good timber for poles.

What will be the depth of penetration of the plunger in Vicat Apparatus (IS : 5513 - 1976) from the bottom of the Vicat Mould, when the cement paste is tested for standard consistency, according to IS 4031 – 1988 ?

Two sewer pipelines A and B (having the same diameter and made of the same material) are laid at a bed slope of 1 in 225 and 1 in 625, respectively. Determine the ratio of their carrying capacities (Q_A to Q_B) .

Select the correct statement with respect to an over - reinforced cement concrete section under the working stress method .

A cantilever beam of span L is built - in at the support. It is restrained against lateral deflection and torsion at the free end. The effective length of compression flange for the beam as per IS 800 : 2007 is

What is the principle of plane surveying ?

According is IS 5968 : 1987, the minimum radius of radius of curve to be provided in the alignment of unlined canals carrying a discharge of less than 30 cumecs up to 15 cumecs is :

A Pelton wheel is to be designed for a pitch diameter of 1 m and jet diameter of 0.1 m. The number of buckets on the runner computed by Taygun’s formula is :

What is the effect of fly ash in concrete ?

As per IS 456 : 2000, the minimum grade of concrete to be used for plain concrete and reinforced concrete, respectively, in concrete works exposed directly along the sea coast are :

Identify the property that changes as a function of the geometrical dimensions of a section in structural materials :

As per IRC (Indian Roads Congress) recommendation, what will be the designed stopping sight distance (in metres) at the vehicle speed of 80 km/h on a rural highway ?

No deduction is made in the quantity estimation for plastering work in cement mortar for openings having size up to :

What is the height of slump cone mould used for testing the workability of the concrete ?

Select the correct option with regard in the following statements (S1, S2) pertaining to pavements .
S1 : Present serviceability index is used for the functional evaluation of pavement surface condition
S2 : Rigid pavements are less affected by temperature variations than flexible pavements

If the quadrantal bearing of a line AB is S 31'35' E, then its whole circle bearing is equal in :

The overflowing sheet of water on a weir is called :

According to IS 456 - 2000, what is the slump of a medium degree of workability of concrete if planed in heavily reinforced sections like slabs, beams, walls, columns ?

Which of the following is Kharif season in India ?

The estimated value of a built - up property at the end of its useful life without dismantled is called :

The amount of cement required for 100 m² area, of damp proof course with 2.5 cm thinkness, in with proportion of 1: 2 : 4 (cement : sand : aggregate) will be :

Select the correct statement related to increasing the carbon content in steel from 0.2 to 0.9 percent .

Which of the following laws states that pressure or intensity of pressure at a point is static fluid is equal in all directions ?

The determination of plasticity index and the percentage by weight of clay mineral finer than 2 µ present in the soil were done for two soil samples A and B. The ratio of plasticity index to the percentage of clay size particle for the samples A and B are given in the table .
Soil sample      Ratio of plasticity index to percentage of clay size particle
Sample A          Less than 0.75
Sample B          Greater than 1.25 The two soil sample A and B are classified as

Which of the following compounds of cement is responsible for early strength ?

According to SP : 27 - 1984, the thickness of slab or RC slab shall be measured to the nearest of :

Classify the following pollutants as primary pollutants (PP) and secondary pollutants (SP). Ozone, Carbon monoxide, Particulate matter, photochemical smog, Nitrogen oxides, Aerosol/mist, Hydrocarbons, Perory - Acetyl - Nitrate, Sulphur dioxide.

Saturated unit weight of soil is the ratio of : 

Identify the test to be conducted for the determination of the modulus of subgrade reaction in pavement design .

In limit state design, the design bond stress for deformed bars (conforming to IS 1786) for M20 concrete mentioned in IS 456 : 2000 is (in N/mm² units) :

Which of the following can be considered as a taking off point in road planning in India ?

What is the degree of kinematic indeterminacy for a simply supported beam with an internal hinge?

What is the primary structural behavior of a frame under vertical loads?

How many plastic hinges are required for collapse in a portal frame with fixed supports?

What is the effect of a point load at the crown of a three-hinged arch?

What is the purpose of special positional reinforcement in a reinforced concrete frame near joints?

What is the degree of static indeterminacy for a two-hinged portal frame?

What is the collapse mechanism in a fixed beam under uniform load?

What is the primary force in the tie of a tied arch?

What is the purpose of providing stirrups in a reinforced concrete frame?

What is the degree of kinematic indeterminacy for a two-hinged portal frame?

What is the bending moment at the support of a fixed portal frame under uniform load?

What is the number of plastic hinges required for collapse in a simply supported beam with an internal hinge?

What is the effect of unsymmetrical loading on a three-hinged arch?

What is the role of bent-up bars in a reinforced concrete frame?

What is the degree of static indeterminacy for a planar frame with 3 members, 3 joints, and 6 reactions?

What is the primary load-carrying mechanism in a fixed arch?

What is the collapse load of a propped cantilever beam compared to a simply supported beam?

What is the degree of kinematic indeterminacy for a fixed beam with an internal hinge?

What is the horizontal thrust in a two-hinged arch under uniform load?

What is the purpose of shear reinforcement in a reinforced concrete frame near supports?

What is the degree of static indeterminacy for a simply supported beam with an internal hinge?

What is the primary structural behavior of an arch under vertical loads?

How many plastic hinges are required for collapse in a two-hinged portal frame?

What is the effect of temperature drop on a two-hinged arch?

What is the role of diagonal reinforcement in a reinforced concrete frame near joints?

What is the degree of static indeterminacy for a planar frame with 7 members, 7 joints, and 9 reactions?

What is the bending moment at the crown of a two-hinged parabolic arch under uniform load?

What is the number of plastic hinges required for collapse in a fixed portal frame?

What is the primary force in the members of a two-hinged arch?

What is the purpose of providing additional shear reinforcement in a reinforced concrete frame?