Q.1) What is the maximum allowable water absorption (%) of Indian burnt brick of class 20?
A) 5
B) 20
C) 10
D) 15
Option (D)
Q.2) What shall be the minimum effective throat thickness of a fillet weld in case of structural steel design?
A) 3 mm
B) 2 mm
C) 4 mm
D) 5 mm
Option (A)
Q.3) What is the IRC recommended width of a single lane carriageway?
A) 3 m
B) 3.75 m
C) 3.5 m
D) 2.5 m
Option (B)
Q.4) Which of the following is NOT a distress in cement concrete pavements?
A) Spalling
B) Ravelling
C) Shrinkage cracking
D) Rutting
Option (D)
Q.5) In case of a strong hydraulic jump, the Froude Number is minimum of :
A) 2.5
B) 9.0
C) 1.0
D) 4.5
Option (B)
Q.6) What is the acceptable limit of pH of drinking water?
A) 9.5 – 10.5
B) 5.5 – 7.5
C) 7.5 – 9.5
D) 6.5 – 8.5
Option (D)
Q.7) Which of the following is primarily responsible for acid rains?
A) CO
B) P2O5
C) SO2
D) CO2
Option (C)
Q.8) What is the nominal cover to rebar in reinforced cement concrete exposed to very severe conditions?
A) 75 mm
B) 50 mm
C) 40 mm
D) 60 mm
Option (B)
Q.9) For sewage disposal in a water body without any treatment, the minimum available dilution level should be 1 in :
A) 200
B) 150
C) 300
D) 500
Option (D)
Q.10) In regard to wastewater treatment, the characterization of non-biodegradable organic content is usually done in terms of :
A) Total oxygen demand
B) Chemical oxygen demand
C) Dissolved oxygen
D) Biological oxygen demand
Option (B)
Q.11) In reinforced cement concrete construction, lap splices are not recommended to be used for rebars when the bar diameter is more than :
A) 30 mm
B) 36 mm
C) 32 mm
D) 25 mm
Option (B)
Q.12) Which of the following spillway gates cannot be seen from a distance, when lowered?
A) Tainter gate
B) Sliding gate
C) USBR drum gate
D) Roller gate
Option (C)
Q.13) What will be the estimated value of modulus of elasticity (GPa) for a concrete of compressive strength 25 Mpa?
A) 32.5
B) 27.5
C) 30
D) 25
Option (D)
Solution :
Modulus of Elasticity = 5000 √fck = 5000 √25 = 25 GPa
Q.14) Which of the following is NOT a Rabi crop?
A) Onion
B) Barley
C) Groundnut
D) Sesame
Option (C)
Q.15) Which of the following soil types is suitable for Sprinkler irrigation?
A) When water table is very low
B) When soil of low permeability is used
C) When land is steep and soil is easily erodable
D) When the crops are deeply rooted
Option (C)
Q.16) If Rankine’s criteria is applied for failure of brittle material, then which of the following will be necessary condition?
A) Maximum strain energy
B) Maximum shear stress
C) Maximum principle stress
D) Maximum shear strain energy
Option (C)
Q.17) For making reinforced cement concrete, the pH of water is restricted to a minimum of :
A) 4
B) 6
C) 5
D) 7
Option (B)
Q.18) Which of the following is NOT applicable in contracts as far as security deposit is concerned?
A) Refundable after maintenance period
B) Amount depends upon tendered amount
C) Necessary before entering into a contract
D) Amount can be withheld from any other contract with the same client
Option (D)
Q.19) On which of the following parameters are the slow sand filters better than rapid sand filters?
A) Flexibility in meeting the demand
B) Land requirement for constructing a unit
C) Rate of filtration
D) Ease of construction
Option (D)
Q.20) Which of the following is NOT a fully non-destructive testing of concrete?
A) Profometer for rebar
B) Rebound hammer
C) Core
D) Ultrasonic pulse velocity
Option (C)
