Hydraulics and Fluid Mechanics in ME The speed ratio in case of Francis turbine varies from 1 to 1.5 0.4 to 0.5 0.15 to 0.3 0.6 to 0.9 1 to 1.5 0.4 to 0.5 0.15 to 0.3 0.6 to 0.9 ANSWER DOWNLOAD EXAMIANS APP
Hydraulics and Fluid Mechanics in ME Braking jet in an impulse turbine is used None of these To bring the runner to rest in a short time To change the direction of runner To break the jet of water None of these To bring the runner to rest in a short time To change the direction of runner To break the jet of water ANSWER DOWNLOAD EXAMIANS APP
Hydraulics and Fluid Mechanics in ME Flow occurring in a pipeline when a valve is being opened is unsteady laminar steady vortex unsteady laminar steady vortex ANSWER DOWNLOAD EXAMIANS APP
Hydraulics and Fluid Mechanics in ME The highest efficiency is obtained with a channel of __________ section. Trapezoidal Square Rectangular Circular Trapezoidal Square Rectangular Circular 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 2 m/sec 1.5 m/sec 1 m/sec less than 1 m/sec 2 m/sec 1.5 m/sec 1 m/sec less than 1 m/sec ANSWER DOWNLOAD EXAMIANS APP
Hydraulics and Fluid Mechanics in ME The centrifugal pump preferred for a specific speed between 80 to 160 r.p.m. is High speed with mixed flow at outlet High speed with radial flow at outlet Slow speed with radial flow at outlet Medium speed with radial flow at outlet High speed with mixed flow at outlet High speed with radial flow at outlet Slow speed with radial flow at outlet Medium speed with radial flow at outlet ANSWER DOWNLOAD EXAMIANS APP