Q.1) For a single lane traffic, the desirable lane width is –
A) 3 m
B) 3.75 m
C) 5.5 m
D) 7 m
Option (B)
Q.2) In a parking area, the maximum number of vehicles can be parked with –
A)Parallel Parking
B)30 deg angle parking
C)45 deg angle parking
D)650 deg angle parking
Option (A)
Q.3) The per capita water consumption for hospital is –
A) 340 to 450 lpcd
B) 500 to 600 lpcd
C) 650 to 750 lpcd
D) 1000 to 1250 lpcd
Option (A)
Q.4) Activated carbon is used in water treatment for removing –
A) Colour
B) Tastes and Odours
C) Turbidity
D) Corrosiveness
Option (B)
Q.5) Application of excess amount of Chlorine (1 to 2 mg/l) in the chlorination process is called as –
A) Prechlorination
B) Super chlorination
C) Post chlorination
D) Dechlorination
Option (B)
Q.6) The maximum quantity of water that can be supplied from a reservoir with full guarantee during critical periods, is called –
A) Reservoir Yield
B) Design Yield
C) Secondary Yield
D) Firm Yield
Option (D)
Q.7) The permissible limit of organic solids in the water used for building construction work should not exceed –
A) 100 mg/l
B) 200 mg/l
C) 300 mg/l
D) 400 mg/l
Option (B)
Q.8) The fresh sewage is generally………….in nature.
A) Acidic
B) Alkaline
C) Neutral
D) Acidic or Neutral
Option (B)
Q.9) Most of the bacteria in sewage are –
A) Anaerobic
B) Parasitic
C) Saprophytic
D) Pathogenic
Option (A)
Q.10) In a sewage treatment plant, the process of removing oil and grease from sewage is called –
A) Skimming
B) Screening
C) Filtration
D) Sedimentation
Option (A)
Q.11) The ratio of ‘flow through period’ to ‘detention period’ in a sedimentation tank, is called :
A) Surface loading
B) Displacement efficiency
C) Theoretical efficiency
D) Settling velocity
Option (B)
Q.12) BOD5 represents 5 days BOD at temperature of –
A)0 deg celsius
B)20 deg celsius
C)50 deg celsius
D)100 deg celsius
Option (B)
Q.13) The Dissolved Oxygen in stream is maximum at –
A) Noon
B) Morning
C) Midnight
D) Same throughout the day
Option (A)
Q.14) Sewage treatment units are generally designed for –
A) Maximum flow only
B) Minimum flow only
C) Average flow only
D) Both maximum and minimum flow
Option (C)
Q.15) The term sludge age is associated with –
A) Sedimentation
B) Aeration
C) Sludge Drying
D) Digestion
Option (B)
Q.16) Modulus of Resilience will be –
A) f/E
B) f2/E
C) f2/2E
D) 2f2/E
Option (C)
Q.17) What is the ratio of maximum shear stress to average shear stress for a circular cross-section?
A) 2
B) 2/3
C) 4/3
D) 3/4
Option (C)
Q.18) The bending stress on a beam section is zero at –
A) Centroid of section
B) Top fibre
C) Bottom fibre
D) Depends upon MOI
Option (A)
Q.19) Before testing setting time of cement one should test for –
A) Soundness
B) Strength
C) Fineness
D) Consistency
Option (D)
Q.20) The maximum bulking sand is likely to occur at a moisture content of –
A) 5%
B) 8%
C) 11%
D) 14%
Option (A)
