Hydraulics and Fluid Mechanics in ME If the atmospheric pressure on the surface of an oil tank (sp. gr. 0.8) is 0.2 kg/cm”, the pressure at a depth of 50 m below the oil surface will be 5 meters of water column 3 meters of water column 2 meters of water column 6 meters of water Column 5 meters of water column 3 meters of water column 2 meters of water column 6 meters of water Column ANSWER DOWNLOAD EXAMIANS APP
Hydraulics and Fluid Mechanics in ME In a single casing, multistage pump running at constant speed, the capacity rating is to be slightly lowered. It can be done by Trimming the impeller size to the required size by machining Not possible Designing new impeller Some other alterations in the impeller Trimming the impeller size to the required size by machining Not possible Designing new impeller Some other alterations in the impeller ANSWER DOWNLOAD EXAMIANS APP
Hydraulics and Fluid Mechanics in ME The viscosity of a gas increases with increase in temperature is independent of pressure for very high pressure intensities decreases with increase in temperature is independent of temperature increases with increase in temperature is independent of pressure for very high pressure intensities decreases with increase in temperature is independent of temperature ANSWER DOWNLOAD EXAMIANS APP
Hydraulics and Fluid Mechanics in ME Discharge of a centrifugal pump is Directly proportional to (diameter)² of its impeller Inversely proportional to (diameter)² of its impeller Inversely proportional to diameter of its impeller Directly proportional to diameter of its impeller Directly proportional to (diameter)² of its impeller Inversely proportional to (diameter)² of its impeller Inversely proportional to diameter of its impeller Directly proportional to diameter of its impeller ANSWER DOWNLOAD EXAMIANS APP
Hydraulics and Fluid Mechanics in ME The error in discharge (dQ/Q) to the error in measurement of head (dH/H) over a triangular notch is given by dQ/Q = 3 × (dH/H) dQ/Q = 3/2 × (dH/H) dQ/Q = 5/2 × (dH/H) dQ/Q = 2 × (dH/H) dQ/Q = 3 × (dH/H) dQ/Q = 3/2 × (dH/H) dQ/Q = 5/2 × (dH/H) dQ/Q = 2 × (dH/H) ANSWER DOWNLOAD EXAMIANS APP
Hydraulics and Fluid Mechanics in ME The velocity corresponding to Reynold number of 2000 is called Higher critical velocity Sub-sonic velocity Lower critical velocity Super-sonic velocity Higher critical velocity Sub-sonic velocity Lower critical velocity Super-sonic velocity ANSWER DOWNLOAD EXAMIANS APP
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