Hydraulics and Fluid Mechanics in ME According to fan laws, for the fans having constant wheel diameters, the power demand varies Cube of fan speed Square root of fan speed Directly as fan speed Square of fan speed Cube of fan speed Square root of fan speed Directly as fan speed Square of fan speed ANSWER DOWNLOAD EXAMIANS APP
Hydraulics and Fluid Mechanics in ME The siphon will work satisfactorily, if the minimum pressure in the pipe is __________ vapour pressure of liquid. Equal to None of these Less than More than Equal to None of these Less than More than ANSWER DOWNLOAD EXAMIANS APP
Hydraulics and Fluid Mechanics in ME The cavitation in a hydraulic machine Causes noise and vibration of various parts All of these Reduces the discharge of a turbine Causes sudden drop in power output and efficiency Causes noise and vibration of various parts All of these Reduces the discharge of a turbine Causes sudden drop in power output and efficiency ANSWER DOWNLOAD EXAMIANS APP
Hydraulics and Fluid Mechanics in ME In an immersed body, centre of pressure is Above the centre of gravity Could be above or below e.g. depending on density of body and liquid Below be centre of gravity At the centre of gravity Above the centre of gravity Could be above or below e.g. depending on density of body and liquid Below be centre of gravity At the centre of gravity ANSWER DOWNLOAD EXAMIANS APP
Hydraulics and Fluid Mechanics in ME A vertical wall is subjected to a pressure due to one kind of liquid, on one of its sides. Which of the following statement is correct? The pressure on the wall at the liquid level is minimum The pressure on the bottom of the wall is maximum The pressure on the bottom of the wall is zero The pressure on the wall at the liquid level is zero, and on the bottom of the wall is maximum The pressure on the wall at the liquid level is minimum The pressure on the bottom of the wall is maximum The pressure on the bottom of the wall is zero The pressure on the wall at the liquid level is zero, and on the bottom of the wall is maximum ANSWER DOWNLOAD EXAMIANS APP
Hydraulics and Fluid Mechanics in ME Coefficient of discharge for a totally submerged orifice as compared to that for an orifice discharging free is slightly more equal slightly less nearly half slightly more equal slightly less nearly half ANSWER DOWNLOAD EXAMIANS APP
EXAMIANS