Hydraulics and Fluid Mechanics in ME A flow is called super-sonic if the Mach number is between 1 and 6 Velocity of flow is very high Discharge is difficult to measure None of these Mach number is between 1 and 6 Velocity of flow is very high Discharge is difficult to measure None of these ANSWER DOWNLOAD EXAMIANS APP
Hydraulics and Fluid Mechanics in ME The pressure in the air space above an oil (sp. gr. 0.8) surface in a tank is 0.1 kg/cm". The pressure at 2.5 m below the oil surface will be 4 m of water column 2 metres of water column 3 metres of water column 3.5 metres of water column 4 m of water column 2 metres of water column 3 metres of water column 3.5 metres of water column ANSWER DOWNLOAD EXAMIANS APP
Hydraulics and Fluid Mechanics in ME If V1 and V2 are the velocities of water at inlet and outlet of the draft tube respectively, then the efficiency of a draft tube is (V1 - V2) / V1 V1 / (V1 - V2) (V1² - V2²) / V1² V1² / (V1² - V2²) (V1 - V2) / V1 V1 / (V1 - V2) (V1² - V2²) / V1² V1² / (V1² - V2²) ANSWER DOWNLOAD EXAMIANS APP
Hydraulics and Fluid Mechanics in ME The pressure at a point in a fluid will not be same in all the directions when the fluid is moving viscous inviscous and moving viscous and moving. moving viscous inviscous and moving viscous and moving. ANSWER DOWNLOAD EXAMIANS APP
Hydraulics and Fluid Mechanics in ME The most economical section of a rectangular channel is one which has hydraulic mean depth or hydraulic radius equal to Twice the depth Twice the breadth Half the depth Half the breadth Twice the depth Twice the breadth Half the depth Half the breadth ANSWER DOWNLOAD EXAMIANS APP
Hydraulics and Fluid Mechanics in ME An open tank contains 1 m deep water with 50 cm depth of oil of specific gravity 0.8 above it. The intensity of pressure at the bottom of tank will be 4 kN/m2 12 kN/m2 10 kN/m2 14 kN/m2 4 kN/m2 12 kN/m2 10 kN/m2 14 kN/m2 ANSWER DOWNLOAD EXAMIANS APP
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