Hydraulics and Fluid Mechanics in ME The flow ratio in case of Francis turbine varies from 0.15 to 0.3 0.6 to 0.9 0.4 to 0.5 1 to 1.5 0.15 to 0.3 0.6 to 0.9 0.4 to 0.5 1 to 1.5 ANSWER DOWNLOAD EXAMIANS APP
Hydraulics and Fluid Mechanics in ME In a reaction turbine, the draft tube is used To transport water to downstream To run the turbine full To prevent air to enter the turbine To increase the head of water by an amount equal to the height of the runner outlet above the tail race To transport water to downstream To run the turbine full To prevent air to enter the turbine To increase the head of water by an amount equal to the height of the runner outlet above the tail race ANSWER DOWNLOAD EXAMIANS APP
Hydraulics and Fluid Mechanics in ME The bulk modulus of elasticity with increase in pressure increases first upto certain limit and then decreases decreases remains constant increases increases first upto certain limit and then decreases decreases remains constant increases ANSWER DOWNLOAD EXAMIANS APP
Hydraulics and Fluid Mechanics in ME The distance y from pipe boundary, at which the point velocity is equal to average velocity for turbulent flow, is (where R is radius of pipe) 0.577 R 0.423 R 0.707 R 0.223 R 0.577 R 0.423 R 0.707 R 0.223 R ANSWER DOWNLOAD EXAMIANS APP
Hydraulics and Fluid Mechanics in ME Motion of a liquid in a volute casing of a centrifugal pump is an example of Spiral vortex flow Rotational flow Forced spiral vortex flow Radial Spiral vortex flow Rotational flow Forced spiral vortex flow Radial ANSWER DOWNLOAD EXAMIANS APP
Hydraulics and Fluid Mechanics in ME A hydraulic press has a ram of 15 cm diameter and plunger of 1.5 cm. It is required to lift a weight of 1 tonne. The force required on plunger is equal to 10 kg 100 kg 1000 kg 1 kg 10 kg 100 kg 1000 kg 1 kg ANSWER DOWNLOAD EXAMIANS APP