Hydraulics and Fluid Mechanics in ME The cavitation in a hydraulic machine Causes noise and vibration of various parts Causes sudden drop in power output and efficiency All of these Reduces the discharge of a turbine Causes noise and vibration of various parts Causes sudden drop in power output and efficiency All of these Reduces the discharge of a turbine ANSWER DOWNLOAD EXAMIANS APP
Hydraulics and Fluid Mechanics in ME If mercury in a barometer is replaced by water, the height of 3.75 cm of mercury will be following cm of water 52 cm 51 cm 50 cm 52.2 cm 52 cm 51 cm 50 cm 52.2 cm ANSWER DOWNLOAD EXAMIANS APP
Hydraulics and Fluid Mechanics in ME Saving of work done and power by fitting an air vessel to single acting reciprocating pump is of the order of 39.2% 84.8% 68.8% 49.2% 39.2% 84.8% 68.8% 49.2% 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 5.2 sec 14.1 sec 10.4 sec 4.1 sec 5.2 sec 14.1 sec 10.4 sec ANSWER DOWNLOAD EXAMIANS APP
Hydraulics and Fluid Mechanics in ME If a pump is handling water and is discharging a certain flow Q at a constant total dynamic head requiring a definite B.H.P., the same pump when handling a liquid of specific gravity 0.75 and viscosity nearly same as of water , the horse power required will be 1.5 B.H.P H.P./0.75 Same 0.75 B.H.P 1.5 B.H.P H.P./0.75 Same 0.75 B.H.P ANSWER DOWNLOAD EXAMIANS APP
Hydraulics and Fluid Mechanics in ME Cavitation will begin when flow is increased the pressure at any location reaches an absolute pressure equal to the saturated vapour pressure of the liquid pressure becomes more than critical pressure pressure is increased flow is increased the pressure at any location reaches an absolute pressure equal to the saturated vapour pressure of the liquid pressure becomes more than critical pressure pressure is increased ANSWER DOWNLOAD EXAMIANS APP