Hydraulics and Fluid Mechanics in ME The flow rate in gear pump Increases with increase in pressure Unpredictable More or less remains constant with increase in pressure Decreases with increase in pressure Increases with increase in pressure Unpredictable More or less remains constant with increase in pressure Decreases with increase in pressure ANSWER DOWNLOAD EXAMIANS APP
Hydraulics and Fluid Mechanics in ME The efficiency of power transmission through pipe is (where H = Total supply head, and hf = Head lost due to friction in the pipe) H/(H + hf ) (H + hf )/H (H - hf )/H H/(H - hf ) H/(H + hf ) (H + hf )/H (H - hf )/H H/(H - hf ) ANSWER DOWNLOAD EXAMIANS APP
Hydraulics and Fluid Mechanics in ME Differential manometer is used to measure Difference of pressure between two points Atmospheric pressure Pressure in pipes, channels etc. Very low pressure Difference of pressure between two points Atmospheric pressure Pressure in pipes, channels etc. Very low pressure ANSWER DOWNLOAD EXAMIANS APP
Hydraulics and Fluid Mechanics in ME In a free nappe, The pressure below the nappe is negative The pressure above the nappe is atmospheric The pressure above the nappe is negative The pressure below the nappe is atmospheric The pressure below the nappe is negative The pressure above the nappe is atmospheric The pressure above the nappe is negative The pressure below the nappe is atmospheric ANSWER DOWNLOAD EXAMIANS APP
Hydraulics and Fluid Mechanics in ME Coefficient of contraction is the ratio of Loss of head in the orifice to the head of water available at the exit of the orifice Actual velocity of jet at vena contracta to the theoretical velocity Area of jet at vena-contracta to the area of orifice Loss of head in the orifice to the head of water available at the exit of the orifice Loss of head in the orifice to the head of water available at the exit of the orifice Actual velocity of jet at vena contracta to the theoretical velocity Area of jet at vena-contracta to the area of orifice Loss of head in the orifice to the head of water available at the exit of the orifice ANSWER DOWNLOAD EXAMIANS APP
Hydraulics and Fluid Mechanics in ME For very high discharge at low pressure such as for flood control and irrigation applications, following type of pump is preferred Centrifugal Reciprocating Axial flow Mixed flow Centrifugal Reciprocating Axial flow Mixed flow ANSWER DOWNLOAD EXAMIANS APP
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