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Fluid Mechanics
Fluid Mechanics Assessment
Quiz 1
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Q.1
In discharge of water over narrow crested weir, head of water is directly proportional to Discharge Coefficient.
a) True
b) False
Q.2
In discharge of water over narrow crested weir, discharge is directly proportional to the cube root of acceleration due to gravity.
a) True
b) False
Q.3
In discharge of water over ogee weir, discharge is directly proportional to the second power of length.
a) True
b) False
Q.4
For discharge over ogee weir discharge is directly proportional to length but for discharge over narrow crested weir it is inversely proportional to length.
a) True
b) False
Q.5
An Ogee weir 5 m long had a head ofcm of water. If CD = 0.find the discharge over the weir.
a) 2.9 m3/s
b) 2.3 m3/s
c) 3.1 m3/s
d) 3.3 m3/s
Q.6
The height of water on upstream and downstream side of a submerged weir of 4 m length arecm andcm. If Cd for free and drowned portions are .and .respectively, find the discharge over the weir.
a) .85 m3/s
b) 1.35 m3/s
c) 3.2 m3/s
d) .55 m3/s
Q.7
An Ogee weir 3.4 m long had a head ofcm of water. If CD = 0.find the discharge over the weir.
a) 1.61 m3/s
b) 2.5 m3/s
c) 3.1 m3/s
d) 3.3 m3/s
Q.8
The height of water on upstream and downstream side of a submerged weir of 4 m length are 23.5 cm andcm. If Cd for free and drowned portions are .and .respectively, find the discharge over the weir.
a) m3/s
b) 1.35 m3/s
c) 3.2 m3/s
d) .55 m3/s
Q.9
In discharge of water over narrow crested weir, discharge is directly proportional to the second power of height.
a) True
b) False
Q.10
In discharge of water over Ogee weir, discharge is directly proportional to the first power of length.
a) True
b) False
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