Hydraulics & Fluid Mechanics To avoid vaporisation in the pipe line, the pipe line over the ridge is laid such that it is not more than 10.0 m above the hydraulic gradient 6.4 m above the hydraulic gradient 5.0 above the hydraulic gradient 2.4 m above the hydraulic gradient 10.0 m above the hydraulic gradient 6.4 m above the hydraulic gradient 5.0 above the hydraulic gradient 2.4 m above the hydraulic gradient ANSWER DOWNLOAD EXAMIANS APP
Hydraulics & Fluid Mechanics The horse power transmitted through a pipe is maximum when the ratio of loss of head due to friction and total head supplied is 1/2 1/4 1/3 2/3 1/2 1/4 1/3 2/3 ANSWER DOWNLOAD EXAMIANS APP
Hydraulics & Fluid Mechanics An object having 10 kg mass weighs 9.81kg on a spring balance. The value of ‘g’ at this place is 10m/sec² 9.75 m/sec² 9.81 m/sec² 10.2/m sec 10m/sec² 9.75 m/sec² 9.81 m/sec² 10.2/m sec ANSWER DOWNLOAD EXAMIANS APP
Hydraulics & Fluid Mechanics A bucket of water is hanging from a spring balance. An iron piece is suspended into water without touching sides of bucket from another support. The spring balance reading will remain same increase increase/decrease depending on depth of immersion decrease remain same increase increase/decrease depending on depth of immersion decrease ANSWER DOWNLOAD EXAMIANS APP
Hydraulics & Fluid Mechanics The distance from pipe boundary, at which the turbulent shear stress is one-third die wall shear stress, is (where R is the radius of pipe) 2/3 R 3/4 R 1/2 R 1/3 R 2/3 R 3/4 R 1/2 R 1/3 R ANSWER DOWNLOAD EXAMIANS APP
Hydraulics & Fluid Mechanics At the centre line of a pipe flowing under pressure where the velocity gradient is zero, the shear stress will be could be any value negative value maximum minimum could be any value negative value maximum minimum ANSWER DOWNLOAD EXAMIANS APP