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Latest CRPF SI Exam Question (Objective Questions), MCQ in Hindi

Subjects : Professional Knowledge (Civil), General Awareness, Physics

Question Bank CRPF SI Exam (Civil) - Hindi
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Professional Knowledge (Civil)

प्रश्न 1Single Answer
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 ?
  1. A11 to 15 mm
  2. B8 to 10 mm
  3. C15 to 17 mm
  4. D5 to 7 mm
प्रश्न 2Single Answer
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 (QA to QB) .
  1. C1
प्रश्न 3Single Answer
Select the correct statement with respect to an over - reinforced cement concrete section under the working stress method .
  1. AThe compressive stress in steel reaches the allowable limit before the maximum tensile stress in concrete reaches the allowable limit
  2. BTensile steel stress and maximum compressive stress in concrete simultaneously reach their allowable limits
  3. CThe allowable limiting stress is reached in concrete before the steel stress reaches the limiting value
  4. DThe tensile stress in steel reaches the allowable limit before the maximum compressive stress in concrete reaches the allowable limit
प्रश्न 4Single Answer
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
  1. A​​0.5 L
  2. B0.85 L
  3. C2 L
  4. D0.75 L
प्रश्न 5Single Answer
What is the principle of plane surveying ?
  1. AWorking from part to whole
  2. BWorking from point to area
  3. CWorking from angle to volume
  4. DWorking from whole to part
प्रश्न 6Single Answer
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 :
  1. A100 m
  2. B1000 m
  3. C600 m
  4. D150 m
प्रश्न 7Single Answer
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 :
  1. A20
  2. B25
  3. C15
  4. D10
प्रश्न 8Single Answer
What is the effect of fly ash in concrete ?
  1. AReduces the secondary hydration process
  2. BIncreases the heat of hydration
  3. CIncreases the amount of air entrainment
  4. DReduces the heat of hydration
प्रश्न 9Single Answer
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 :
  1. AM 20 and M 30
  2. BM 20 and M 25
  3. CM 22 and M 40
  4. DM 15 and M 25
प्रश्न 10Single Answer
Identify the property that changes as a function of the geometrical dimensions of a section in structural materials :
  1. AMass density
  2. BMoment of inertia
  3. CPoission’s ratio
  4. DModulus of elasticity
प्रश्न 11Single Answer
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 ?
  1. A120
  2. B140
  3. C70
  4. D60
प्रश्न 12Single Answer
No deduction is made in the quantity estimation for plastering work in cement mortar for openings having size up to :
  1. A0.5 m2
  2. B1.0 m2
  3. C3 m2
  4. D0.75 m2
प्रश्न 13Single Answer
What is the height of slump cone mould used for testing the workability of the concrete ?
  1. A20 cm
  2. B10 cm
  3. C30 cm
  4. D25 cm
प्रश्न 14Single Answer
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
  1. AStatements S1 is true and Statement S2 is false
  2. BBoth statements S1 and S2 are false
  3. CStatements S1 is false and Statement S2 is true
  4. DBoth statements S1 and S2 are true
प्रश्न 15Single Answer
If the quadrantal bearing of a line AB is S 31'35' E, then its whole circle bearing is equal in :
  1. A121o25'
  2. B148o25'
  3. C58o25'
  4. D211o25'
प्रश्न 16Single Answer
The overflowing sheet of water on a weir is called :
  1. Acreek
  2. Bcrest
  3. Climp
  4. Dnappe
प्रश्न 17Single Answer
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 ?
  1. A10 - 25 mm
  2. B25 - 50 mm
  3. C0 - 10 mm
  4. D50 - 100 mm
प्रश्न 18Single Answer
Which of the following is Kharif season in India ?
  1. AMarch / April to June / July
  2. BDecember / January to April / May
  3. CMay / June to October / November
  4. DOctober / November to April / May
प्रश्न 19Single Answer
The estimated value of a built - up property at the end of its useful life without dismantled is called :
  1. Amarket value
  2. Bbook value
  3. Cscrap value
  4. Dsalvage value
प्रश्न 20Single Answer
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 :
  1. A2.5 m2
  2. B0.55 m2
  3. C1.10 m2
  4. D0.25 m2
प्रश्न 21Single Answer
Select the correct statement related to increasing the carbon content in steel from 0.2 to 0.9 percent .
  1. AIncreasing the carbon content in steel decreases the yield stress and increases the ductility
  2. BIncreasing the carbon content in steel increases the yield stress and reduces the ductility
  3. CIncreasing the carbon content in steel decreases the yield stress and does not affect the ductility
  4. DIncreasing the carbon content in steel does not have any effect on the yield stress or ductility
प्रश्न 22Single Answer
Which of the following laws states that pressure or intensity of pressure at a point is static fluid is equal in all directions ?
  1. ANewton's law
  2. BPascal's law
  3. CDarcy's law
  4. DHydrostatic law
प्रश्न 23Single Answer
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
  1. ASample A : Inactive; Sample B : Active
  2. BSample A : Active; Sample B : Normal
  3. CSample A : Active; Sample B : Inactive
  4. DSample A : Normal ; Sample B : Inactive
प्रश्न 24Single Answer
Which of the following compounds of cement is responsible for early strength ?
  1. AC4AF
  2. BC3S
  3. CC3A
  4. DC2A
प्रश्न 25Single Answer
According to SP : 27 - 1984, the thickness of slab or RC slab shall be measured to the nearest of :
  1. A0.0002 m
  2. B0.005 m
  3. C0.0001 m
  4. D0.01 m
प्रश्न 26Single Answer
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.
  1. APP : Ozone, Photochemical smog, Aerosol/mist, Peroxy – Acetyl - Nitrate
    ​SP : Carbon monoxide, Particulate matter, Nitrogen oxides, Hydrocarbons, Sulphur dioxide
  2. BSP : Carbon monoxide, Particulate matter, Aerosol/mist, Peroxy - Acetyl - Nitrate
    ​SP : Nitrogen oxides, Hydrocarbons, Sulphur dioxide, Ozone, Photochemical smog
  3. CPP : Carbon monoxide, Particulate matter, Hydrocarbons, Sulphur dioxide
    ​SP : Ozone, Photochemical smog, Aerosol/mist, Peroxy - Acetyl - Nitrate
  4. DPP : Ozone, Photochemical smog, Carbon monoxide, Particulate matter, Nitrogen oxides
    ​SP : Aerosol/mist, Peroxy - Acetyl - Nitrate, Hydrocarbons, Sulphur dioxide
प्रश्न 27Single Answer
Saturated unit weight of soil is the ratio of : 
  1. Abulk unit weight of a soil when it is fully saturated
  2. Bsaturated bulk unit weight to total void
  3. Ctotal void to saturated bulk unit weight
  4. Dtotal void to saturated bulk unit weight
प्रश्न 28Single Answer
Identify the test to be conducted for the determination of the modulus of subgrade reaction in pavement design .
  1. APlate bearing test
  2. BTriaxial test
  3. CCBR test
  4. DDirect shear test
प्रश्न 29Single Answer
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) :
  1. A1.2
  2. B1.8
  3. C1.68
  4. D1.92
प्रश्न 30Single Answer
Which of the following can be considered as a taking off point in road planning in India ?
  1. ALucknow plan
  2. BDelhi plan
  3. CBombay plan
  4. DNagpur plan
प्रश्न 31Single Answer
The following two statements pertain to a simply supported under reinforced concrete beam. Select the correct option with regard is these statements .
1. The failure of the beam takes place due to the yielding of steel .
2. The moment of resistance of the beam is more than that of the balanced section of the beam .
  1. AStatement 1 is true but Statement 2 is false
  2. BStatement 1 is false but Statement 2 is true
  3. CBoth statement 1 and 2 are true
  4. DBoth statement 1 and 2 are false
प्रश्न 32Single Answer
A continuous beam ABC with span AB = BC = L is shown in the figure. Support A is fixed type, and supports B and C are roller type. The kinematic indeterminacy of the beam is :

  1. A2
  2. B3
  3. C5
  4. D4
प्रश्न 33Single Answer
The soils transported and deposited by a river or a stream care called :
  1. Aaeolian soils
  2. Balluvial soils
  3. Clacustrine soils
  4. Dmarine soils
प्रश्न 34Single Answer
What is the mechanical extra widening required for a two-lane pavement of width 7 m on a horizontal curve of radius 250 m, if the longest wheel base of a vehicle expected on the road is 5 m with a design speed of 70 km/h ?
  1. A0.155 m
  2. B0.225 m
  3. C0.100 m
  4. D0.552 m
प्रश्न 35Single Answer
The following are some of the errors that area associated with a total station survey work. Vertical collimation error, Centering error, Horizontal collimation error, Eccentricity error Categorize the given errors as those due to temporary adjustments (T) and permanent adjustments (P).
  1. AT : Vertical collimation error, Horizontal collimation error
    ​P : Centering error, Eccentricity error
  2. BT : Centering error, Horizontal collimation error, Eccentricity error
    ​P : Vertical collimation error
  3. CT : Eccentricity error, Horizontal collimation error
    ​P : Centering error, Vertical collimation error, Eccentricity error
  4. DT : Centering error
    ​P : Vertical collimation error, Horizontal collimation error, Eccentricity error
प्रश्न 36Single Answer
According to IS 800 : 2007, identify the property which is considered as a mechanical property of structural steel, important in design .
  1. AUnit mass
  2. BMaximum percent elongation on a standard gauge length
  3. CCo - efficient of thermal expansion
  4. DPoisson ration
प्रश्न 37Single Answer
Which of the following methods is NOT used for measuring air content in fresh concrete ?
  1. ABlaine air permeability method
  2. BGravimetric method
  3. CPressure method
  4. DVolumetric method
प्रश्न 38Single Answer
Which of the following methods is NOT used for the calculation of depreciation of a structure ?
  1. AStraight line method
  2. BQuantity survey method
  3. CGeometric projection method
  4. DDeclining balance method
प्रश्न 39Single Answer
The failure of an over reinforced concrete beam is due to :
  1. Acompression failure
  2. Bmid failure
  3. Cshear failure
  4. Dtension failure
प्रश्न 40Single Answer
In which type of estimate is 'Court yard' NOT considered ?
  1. AUnit rate estimate
  2. BPlinth area estimate
  3. CLump sum estimate
  4. DCub rate estimate
प्रश्न 41Single Answer
Match the items in List 1 (name of quantities) with those in List 2 (unit of quantities in the SI system). Use codes in List for matching .
​ List 1                                   List 2
M. Dynamic viscosity         1. N/m
N. Kinematic viscosity        2. N.m
O. Surface tension             3. N.s/m2
P. Energy                            4. m2/s
  1. AM-3, N-4, O-2, P-1
  2. BM-3, N-4, O-1, P-2
  3. CM-4, N-3, O-1, P-2
  4. DM-2, N-4, O-1, P-3
प्रश्न 42Single Answer
A reinforced concrete beam is subjected to the following bending moments .
Moment due to dead load = 50 kNm
Moment due to live load = 50 kNm
Moment due to seismic load = 20 kNm
The design bending moment for limit state of collapse is :
  1. A120 kNm
  2. B180 kNm
  3. C144 kNm
  4. D150 kNm
प्रश्न 43Single Answer
In a workshop shade, trusses are spaced at 4 m centre to centre. The purlins are spaced at 1.4 m centre to centre along the slope of 300. The (Dead Load + Live load) is 3 kNm2 and the wind load in 5 kNm2. The vertical and the inclined point loads, respectively, will be :
  1. A14.54 kN and 28 kN
  2. B17.8 kN and 48 kN
  3. C20 kN and 24 kN
  4. D18 kN and 21 kN
प्रश्न 44Single Answer
What will be the percentage of passing aggregate for the grading zone 1 of sieve size 1.18 mm ?
  1. A100%
  2. B10% - 20%
  3. C7% - 25%
  4. D30% - 70%
प्रश्न 45Single Answer
The annual or periodical payment for repayment of the capital amount invested on a property for a specified period is known as :
  1. Adepreciation
  2. Bobsolescence
  3. Camortization
  4. Dannuity
प्रश्न 46Single Answer
Among the following river training works, which are aligned either parallel or at an angle to the banks, identify the one having a difference in alignment when compared to others :
  1. AFlood walls
  2. BGuide banks
  3. CGroynes
  4. DLevees
प्रश्न 47Single Answer
The test commonly to determine the grade of bitumen in terms of its hardness is :
  1. Athe penetration test
  2. Bthe ductility test
  3. Cthe softening point test
  4. Dthe flash and fire point test
प्रश्न 48Single Answer
A level section has formation width of 10 m, side slope of 1 : 2 (vertical : horizontal) and central height of 2 m. Determine the quantity of earthwork required for a 1 km length of formation (in m3) .
  1. A24,000
  2. B20,000
  3. C18,000
  4. D28,000
प्रश्न 49Single Answer
Which type of odour characteristic is NOT used for classifying odour of a given water sample as per IS 3025 (part-5) 1983 ?
  1. ADegree of sweetness
  2. BDegree of turbidity
  3. CDegree of pungency
  4. DDegree of smokiness
प्रश्न 50Single Answer
The liquid limit and plastic limit of clay materials is 45% and 25% respectively, what is the activity of clay materials if 20% by weight of particles of size less than 2 microns ?
  1. A0
  2. B2
  3. C3
  4. D1
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