Fluid Mechanics Volute type of casing is provided in a centrifugal pump to Increase the discharge Reduce the discharge fluctuation Convert pressure head to velocity head Convert velocity head to pressure head Increase the discharge Reduce the discharge fluctuation Convert pressure head to velocity head Convert velocity head to pressure head ANSWER DOWNLOAD EXAMIANS APP
Fluid Mechanics For laminar flow through a closed conduit Vmax = 2Vav Vmax = Vav Vmax = 1.5Vav Vmax = 0.5Vav Vmax = 2Vav Vmax = Vav Vmax = 1.5Vav Vmax = 0.5Vav ANSWER DOWNLOAD EXAMIANS APP
Fluid Mechanics If two capillary tubes of dia 0.5 mm and 1 mm are dipped in a pot containing mercury, then the rise of mercury is Greater in 1 mm dia tube Zero in both the tubes Greater in 0.5 mm dia tube Same in both the tubes Greater in 1 mm dia tube Zero in both the tubes Greater in 0.5 mm dia tube Same in both the tubes ANSWER DOWNLOAD EXAMIANS APP
Fluid Mechanics The equivalent diameter for pressure drop calculation for a duct of square cross-section is given by(where, x = each side of the square duct) 2x πx x/2 x 2x πx x/2 x ANSWER DOWNLOAD EXAMIANS APP
Fluid Mechanics With increase in molecular weight of the gas, the head developed by a centrifugal compressor will Unpredictable Decrease Increase Remain same Unpredictable Decrease Increase Remain same ANSWER DOWNLOAD EXAMIANS APP
Fluid Mechanics Purpose of relief valve in a reciprocating pump is to Control the rate of discharge Facilitate unidirectional flow of liquid Reduce the discharge pressure Protect the pump against developing excessive pressure Control the rate of discharge Facilitate unidirectional flow of liquid Reduce the discharge pressure Protect the pump against developing excessive pressure ANSWER DOWNLOAD EXAMIANS APP