Hydraulics and Fluid Mechanics in ME 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 One-third One-half Three-fourth Two-third One-third One-half Three-fourth Two-third ANSWER DOWNLOAD EXAMIANS APP
Hydraulics and Fluid Mechanics in ME The bulk modulus of elasticity with increase in pressure remains constant increases first upto certain limit and then decreases increases decreases remains constant increases first upto certain limit and then decreases increases decreases ANSWER DOWNLOAD EXAMIANS APP
Hydraulics and Fluid Mechanics in ME The meatcentric height of a ship is 0.6 m and the radius of gyration is 4 m. The time of rolling of a ship is 4.1 sec 10.4 sec 5.2 sec 14.1 sec 4.1 sec 10.4 sec 5.2 sec 14.1 sec ANSWER DOWNLOAD EXAMIANS APP
Hydraulics and Fluid Mechanics in ME A liquid would wet the solid, if adhesion forces as compared to cohesion forces are less equal more less at low temperature and more at high temperature less equal more less at low temperature and more at high temperature ANSWER DOWNLOAD EXAMIANS APP
Hydraulics and Fluid Mechanics in ME When time of closure tc = L/v0 (where L is length of pipe and v0 is speed of pressure wave), the portion of pipe length subjected to maximum head is L/4 L/3 L L/2 L/4 L/3 L L/2 ANSWER DOWNLOAD EXAMIANS APP
Hydraulics and Fluid Mechanics in ME A fluid of kinematic viscosity 0.4 cm²/sec flows through a 8 cm diameter pipe. The maximum velocity for laminar flow will be less than 1 m/sec 1.5 m/sec 2 m/sec 1 m/sec less than 1 m/sec 1.5 m/sec 2 m/sec 1 m/sec ANSWER DOWNLOAD EXAMIANS APP
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