The hydraulic efficiency of a reaction turbine, is the ratio of None of these Actual work available at the turbine to energy imparted to the wheel Power produced by the turbine to the energy actually supplied by the turbine Work-done on the wheel to the energy (or head of water) actually supplied to the turbine TRUE ANSWER : ? YOUR ANSWER : ?
A turbine develops 10000 kW under a head of 25 meters at 135 r.p.m. Its specific speed is 175.4 r.p.m. 241.5 r.p.m. 275.4 r.p.m 215.5 r.p.m. TRUE ANSWER : ? YOUR ANSWER : ?
The coefficient of viscosity may be determined by Capillary tube method All of these Rotating cylinder method Orifice type viscometer TRUE ANSWER : ? YOUR ANSWER : ?
The property by virtue of which a liquid opposes relative motion between its different layers is called Coefficient of viscosity Surface tension Viscosity Osmosis TRUE ANSWER : ? YOUR ANSWER : ?
The depth of the center of pressure on a vertical rectangular gate 8 m wide and 6 m high, when the water surface coincides with the top of the gate, is 4.0 m 3.0 m 2.5 m 2.4 m TRUE ANSWER : ? YOUR ANSWER : ?
According to Manning's formula, the discharge through an open channel is (where M = Manning's constant) A × M × m1/2 × i2/3 A × M × m2/3 × i1/2 A2/3 × M1/3 × m × i A1/2 × M2/3 × m × i TRUE ANSWER : ? YOUR ANSWER : ?
If a body floating in a liquid returns back to its original position, when given a small angular displacement, the body is said to be in Stable equilibrium Unstable equilibrium None of these Neutral equilibrium TRUE ANSWER : ? YOUR ANSWER : ?
The maximum efficiency of transmission through a pipe is 0.567 0.5 0.7666 0.6667 TRUE ANSWER : ? YOUR ANSWER : ?
The intensity of pressure at any point, in a liquid, is __________ to the depth of liquid from the surface. Directly proportional Inversely proportional Equal None of these TRUE ANSWER : ? YOUR ANSWER : ?
Liquids Cannot be compressed None of the listed here Are not affected by change in pressure and temperature Occupy definite volume TRUE ANSWER : ? YOUR ANSWER : ?