Fluid Mechanics The ratio of inertial forces to viscous forces is called the __________ number. Mach Reynold Froude Weber Mach Reynold Froude Weber ANSWER DOWNLOAD EXAMIANS APP
Fluid Mechanics If the head over the triangular notch is doubled, the discharge will increase by __________ times. 2 5.657 2.828 4 2 5.657 2.828 4 ANSWER DOWNLOAD EXAMIANS APP
Fluid Mechanics What is the ratio of displacement thickness to nominal thickness for a linear distribution of velocity in the boundary layer on a flat plate? 0.5 2 1.5 1 0.5 2 1.5 1 ANSWER DOWNLOAD EXAMIANS APP
Fluid Mechanics A 2" gate valve fitted in a pipe is replaced by a similar globe valve. Pressure drop in gate valve was Δp. For the same discharge, the pressure drop across globe valve is < Δp > Δp Δp Δp² < Δp > Δp Δp Δp² ANSWER DOWNLOAD EXAMIANS APP
Fluid Mechanics In frictional fluid flow, the quantity, P/ρ + V²/2gc + gz/gc, is Constant along a streamline Increased in the direction of flow Not constant along a streamline None of these Constant along a streamline Increased in the direction of flow Not constant along a streamline None of these ANSWER DOWNLOAD EXAMIANS APP
Fluid Mechanics Purpose of relief valve in a reciprocating pump is to Control the rate of discharge Protect the pump against developing excessive pressure Reduce the discharge pressure Facilitate unidirectional flow of liquid Control the rate of discharge Protect the pump against developing excessive pressure Reduce the discharge pressure Facilitate unidirectional flow of liquid ANSWER DOWNLOAD EXAMIANS APP
EXAMIANS