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- Surface tension of water when in contact with air is 0.0737 N/m. The difference of pressure between the inside and outside of a droplet of rain water 1 mm in diameter is nearly equal to
a. 0.15 kN/m2
b. 0.20 kN/m2
c. 0.25 kN/m2
d. 0.30 kN/m2
Answer :-0.30 kN/m2
- P sources
a. Fertilizers
b. Detergents
c. (a) and (b)
d. None of these
Answer :- (a) and (b)
- What is the length of the Arc for the following curve?
Radius 250.00′ , Tangent in N 25° 30′ E, Tangent out N 30° 25′ E Select one
a. 42.90
b. 21.45
c. 10.73
d. 214.50
Answer :- 21.45
- Distemper is used to coat
a. External concrete surfaces
b. Interior surfaces not exposed to weather
c. Woodwork
d. Compound walls
Answer :-Interior surfaces not exposed to weather
- Project management has:
a. Replaced middle management
b. Became in all business
c. Only in major projects
d. Only in major projects
e. A & b
f. A, b, and c
Answer :-Became in all business
- Car going on a speed of 60 mile/hour on a curve high way. After passing a midpoint the driver saw an accident in front of him. The distance that will be passed from the moment the driver saw the accident until he hit the brakes equal to?
a. 240ft
b. 260ft
c. 220ft
d. 200ft
Answer :- 220ft
- For total reaction time of 2.5 seconds, coefficient of friction 0.35, design speed 80 km/h, what is the stopping sight distance on a highway?
a. 127 m
b. 132 m
c. 76 m
d. 56 m
Answer :- 127 m
- What is the quantity of embankment if 100000 m3 of backfilling is used with shrinkage & swell factors of backfilling are known (shrink factor = 10%) (Swell Factor = 25 %)
a. 100000 m3
b. 110000 m3
c. 125000 m3
d. 135000 m3
Answer :- 125000 m3
- Which of the following factors are associated with the behavior of sand mass during earthquake to cause liquefaction
1. Number of stress cycles
2. The frequency, and amplitude of vibration of waves generated by an earthquake
3. Characteristics of sand
4. Relative density
Select the correct answer using the codes given below :
a. 1, 2 and 3
b. 1, 2, 3 and 4
c. 2 and 4
d. 3 and 4
Answer :- 1, 2, 3 and 4
- Shrinkage in concrete can be reduced by using:
a. Low water cement ratio
b. Less cement in the concrete
c. Proper concrete mix
d. Pre-saturated aggregates
e. All of the above
Answer :- All of the above
- A construction joint is provided where;
a. Bending moment is small
b. Shear force is small
c. The member is supported by other member
d. All of the above
Answer :- All of the above
- Permissible compressive strength of M150 concrete grade is
a. 100 Kg/cm2
b. 150 Kg/cm2
c. 200 Kg/cm2
d. 250 Kg/cm2
e. 300 Kg/cm2
Answer :- 150 Kg/cm2
- Why steel is used as reinforcement in reinforced concrete:
a. Easily available
b. Good bond to concrete
c. Coefficient of thermal expansion is the same for steel &concrete
d. All the above
Answer :- All the above
- Stress means:
a. The internal forces developed in a material due to external forces=(force/Area)
b. Ability to resist external forces
c. Deformation in a material due to external forces
d. Forces applied perpendicular to the longitudinal axis of a member
Answer :- The internal forces developed in a material due to external forces=(force/Area)
- For a simplysupportedbeam,theshearandflexuralstresseswillbeequaltozero at:
a. End supports
b. Middle of span & above neutral axis
c. Middle of span and on the neutral axis
d. End supports and below neutral axis
Answer :- Middle of span and on the neutral axis
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