When ever a body is immersed wholly or partially in water, it is lifted up by a force equal to the weight of water displaced by the body ?
A. Archimed’s Principle B. Law of gravity C. Newton’s law of otion D. None of these
Agriculture MCQs
A flow in which the quantity of liquid flowing per second is constant is called___________________?
A. Uniform flow B. Steady flow C. Turbulent flow D. None of these
A flow in which the stream lines may be represented by a straight line is called____________________?
A. Non-uniform flow B. un-steady flow C. steady flow D. one-dimension flow
Theoretical velocity of the jet at Vena Contracta is determined by ________________?
A. (2 gh)1/2 B. 2(gh)1/2 C. 2g (h)1/2 D. 2gh
The loss of head due to friction according to Darcy’s formula is _____________________?
A. 4fLv2/gd B. 4fLv2/2gd C. 4fLv/gd D. 4fLv/2gd
The hydraulic mean depth for a circular pipe of diameter d is ____________________?
A. d/2 B. d/3 C. d/4 D. d/6
According to Chezy’s formula, the discharge through an open channel is equal to _________________?
A. C (mi) 1/2 B. A (cmi)1/2 C. Ac√R.S D. A (c.A/pi) 1/2
The discharge through a rectangular channel will be maximum. if its depth is_______________?
A. Twice the width B. Equal to its width C. Half of its width D. one-third of its with
The depth of water in a channel, corresponding to minimum specific energy is called ________________?
A. Normal depth B. Critical depth C. Full supply depth D. None of these
A hydraulic jump to dissipate energy when flow is __________________?
A. Critical flow B. Shooting flow C. Streaming flow D. Turbulent flow