A hydraulic press has a ram of 15 cm diameter and plunger of 1.5 cm. It is required to lift a weight of 1 tonne. The force required on plunger is equal tc__________________? A. 10 kg B. 100 kg C.…
Bernoulli equation deals with the law of conservation of____________________? A. mass B. momentumC. energy D. work E. force
Cavitation is caused by___________________? A. high velocity B. high pressure C. weak materialD. low pressure E. low viscosity
Principle of similitude forms the basis of__________________? A. comparing two identical equipmentsB. designing models so that the result can be converted to prototypes C. comparing similarity between design and actual equipment D. hydraulic designs E. performing acceptance tests
Cavitation will begin when______________________? A. the pressure at any location reaches an absolute pressure equal to the saturated vapour pressure of the liquid B. pressure becomes more than critical pressure C. flow is increased D. pressure is increased E. none…
For similarity, in addition to models being geometrically similar to prototype, the following in both cases should also be equal__________________? A. ratio of inertial force to force due to viscosity B. ratio of inertial force to force due to gravitation…
Hydrometer is used to determine________________? A. specific gravity of liquids B. specific gravity of solids C. specific gravity of gases D. relative humidity E. density
Uniform flow occurs when___________________? A. the direction and magnitude of the velocity at all points are identical B. the velocity of successive fluid pai-ticles, at any point, is the same at suc¬cessive periods of timeC. the magnitude and direction of…
The upper surface of a weir over which water flows is known is________________? A. crest B. nappeC. sill D. weir top E. contracta
The region between the separation streamline and the boundary surface of the solid body is known as_________________? A. wake B. drag C. lift D. boundary layer E. aerofoil section