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.Management Sciences
Category: Civil Engineering Mcqs
If the flame of a miner’s safety lamp in a manhole extinguishes within 5 minutes, the sewer certainly contains_______________?
A. Hydrogen sulphide
B. Carbon dioxide
C. Methane
D. Oxygen
For hydro-dynamically smooth boundary, the friction coefficient for turbulent flow is_______________?
A. constant
B. dependent only on Reynolds number
C. a function of Reynolds number and relative roughness
D. dependent on relative roughness only
A projectile has maximum range of 40 m on a horizontal plane. If angle of projection is a and the time of flight is 1 second, then sin a must be about__________________?
A. 1/4
B. 1/3
C. 1/2
D. 1/5
Assume g = 10 m/sec2
Sinking of an intermediate support of a continuous beam________________?
Consider the following statements
1. reduces the negative moment at support
2. increases the negative moment at support
3. reduces the positive moment at support
4. increases the positive moment at the centre of span
A. i and 4 are correct
B. 1 and 3 are correct
C. 2 and 3 are correct
D. 2 and 4 are correct
The underground sewers are more subjected to________________?
A. Tensile force
B. Compressive force
C. Bending force
D. Shearing force
For pipes, laminar flow occurs when Roynolds number is__________________?
A. less than 2000
B. between 2000 and 4000
C. more than 4000
D. less than 4000
E. none of the above
For measuring flow by a venturimeter, if should be installed in__________________?
A. vertical line
B. horizontal line
C. inclined line with flow downward
D. inclined line with upward flow
E. in any direction and in any location
Expansion Joints in masonry walls are provided in wall lengths usater than_______________?
A. 10 m
B. 20 m
C. 30 m
D. 40 m
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