Related Questions

A jet of water is striking at the centre of a curved vane moving with a uniform velocity in the direction of jet. For the maximum efficiency, the vane velocity is ________ of the jet velocity
A One-half
B One-third
C Two-third
D Three-fourth
The vector sum of cutting velocity and chip velocity is __________ shear velocity.
A Equal to
B Less than
C More than
D None of these
A body of mass ‘m’ moving with a constant velocity ‘v’ strikes another body of same mass moving with same velocity but in opposite direction. The common velocity of both the bodies after collision is
A v
B 2v
C 4v
D 8v
If V, U and Vr represent the absolute velocity of fluid, velocity of blade, and relative velocity of fluid, and suffix ‘I’ and ‘o’ stand for entry and exit conditions, then in a rotary machine whose degree of reaction is unity
A Vi = Vo
B Vt > Vo
C U
D V = Uo
A high vapour velocity is required for high plate efficiency in a seive plate coloumn. The satisfactory value of operating vapor velocity for design purpose in seive plate column is about __________ percent of the flooding velocity.
A 45
B 60
C 80
D 95
A train of length l, traveling at a constant velocity, passes a pole in t seconds .If the same train traveling at the same velocity passes a platform in 3t seconds, then the length of the platform is-------
A 0.5l
B l
C 1.5l
D 2l
Although we often use speed and velocity intercahngegebly in a technical sense, speed is not a always ______ velocity.
A alike
B the same as
C similar
D as
Although we often use 'speed' and 'velocity' interchangeably, in a technical sense, 'speed' in not always---------velocity'?
A alike
B the same as
C similar
D as
Although we often use 'speed' and 'velocity' interchangeably, in a technical sense, speed is not always ............ velocity
A alike
B the same as
C similar
D none
Although we often use "speed' and velocity' interchangeably, 'speed' is not always 'velocity'
A alike
B the same as
C similar
D as

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