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Category: Civil Engineering Mcqs
Which one of the following statements is correct ?
A. During the day, earth reflects solar radiation
B. During the day, earth reflects both solar radiations the emission from its surface
C. During the night, earth emits radiation from its surface
D. All of these
When the bolts are subjected to reversal of stresses, the most suitable type of bolt is________________?
A. black bolt
B. ordinary unfinished bolt
C. turned and fitted bolt
D. high strength bolt
An imaginary line lying throughout the surface of ground and preserving a constant inclination to the horizontal is known as__________________?
A. contour line
B. horizontal equivalent
C. contour interval
D. contour gradient
Quick sand is a________________?
A. type of sand
B. flow condition occurring in cohesive soils
C. flow condition occurring in cohesionless soils
D. flow condition occurring in both cohesive and cohesionless soils
In basins subjected to strong winds and tide, the length of the berthing area should not be less than____________________?
A. the length of design vessel
B. the length of design vessel + 10% clearance between adjacent vessels
C. the length of design vessel + 20% clearance between adjacent vessels
D. twice the length of design vessel
The minimum dissolved oxygen which should always be present in water in order to save the aquatic life is______________?
A. 1 ppm
B. 4 ppm
C. 10 ppm
D. 40 ppm
Due to change in price level, a revised estimate is prepared if the sanctioned estimate exceeds_________________?
A. 2.0 %
B. 2.5 %
C. 4.0 %
D. 5.0 %
Select the incorrect statement?
A. Stop or red time of a signal is the sum of go and clearance intervals for the cross flow
B. Go or green time of a signal is the sum of stop and clearance intervals for the cross flow
C. Clearance time is generally 3 to 5 seconds
D. The cycle length is normally 40 to 60 seconds for two phase signals
Sinking of an intermediate support of a continuous beam_____________?
1. reduces the negative moment at support
2. increases the negative moment at support
3. reduces the positive moment at center of span
4. increases the positive moment at center of span
The correct answer is?
A. (1) and (3)
B. (1) and(4)
C. (2 )and (3)
D. (2) and (4)
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