Hydraulics and Fluid Mechanics in ME The water in a jet propelled boat is drawn through the openings facing the direction of motion of the boat. The efficiency of propulsion is given by V/(vr + v) 2V/(vr - v) V/(vr - v) 2V/(vr + v) V/(vr + v) 2V/(vr - v) V/(vr - v) 2V/(vr + v) ANSWER DOWNLOAD EXAMIANS APP
Hydraulics and Fluid Mechanics in ME The mass per unit volume of a liquid at a standard temperature and pressure is called None of these Specific weight Specific gravity Mass density None of these Specific weight Specific gravity Mass density ANSWER DOWNLOAD EXAMIANS APP
Hydraulics and Fluid Mechanics in ME Froude's number is the ratio of inertia force to Surface tension force Pressure force Elastic force Gravity force Surface tension force Pressure force Elastic force Gravity force ANSWER DOWNLOAD EXAMIANS APP
Hydraulics and Fluid Mechanics in ME Multistage centrifugal pumps are used to Pump viscous fluids Produce high heads Give high discharge All of these Pump viscous fluids Produce high heads Give high discharge All of these ANSWER DOWNLOAD EXAMIANS APP
Hydraulics and Fluid Mechanics in ME The centre of pressure acts __________ the centre of gravity of immersed surface. At None of these Above Below At None of these Above Below ANSWER DOWNLOAD EXAMIANS APP
Hydraulics and Fluid Mechanics in ME The rise or depression of liquid in a tube due to surface tension will increase in size of tube will Remain unaffected Increase May increase or decrease depending on the characteristics of liquid Decrease Remain unaffected Increase May increase or decrease depending on the characteristics of liquid Decrease ANSWER DOWNLOAD EXAMIANS APP