Fluid Mechanics In case of turbulent flow of a Newtonion fluid in a straight pipe, the maximum velocity is equal to (where, Vavg = average fluid velocity) 1.8 Vavg 1.2 Vavg 1.5 Vavg Vavg 1.8 Vavg 1.2 Vavg 1.5 Vavg Vavg ANSWER DOWNLOAD EXAMIANS APP
Fluid Mechanics In power law, ζ = A (du/dy)² + B , then the fluid is Dilatant Rheopectic Thixotropic Newtonian Dilatant Rheopectic Thixotropic Newtonian ANSWER DOWNLOAD EXAMIANS APP
Fluid Mechanics What causes cavitation in centrifugal pump? Low barometric pressure High suction pressure Low suction pressure High suction velocity Low barometric pressure High suction pressure Low suction pressure High suction velocity ANSWER DOWNLOAD EXAMIANS APP
Fluid Mechanics Which of the following pipe bends will incur the largest head loss ? 90° bend U-bend 45° bend 30° bend 90° bend U-bend 45° bend 30° bend ANSWER DOWNLOAD EXAMIANS APP
Fluid Mechanics The unit of bulk modulus of elasticity for a liquid in S.I. unit is N/m³ N/m² N/m N N/m³ N/m² N/m N ANSWER DOWNLOAD EXAMIANS APP
Fluid Mechanics Purpose of relief valve in a reciprocating pump is to Protect the pump against developing excessive pressure Facilitate unidirectional flow of liquid Control the rate of discharge Reduce the discharge pressure Protect the pump against developing excessive pressure Facilitate unidirectional flow of liquid Control the rate of discharge Reduce the discharge pressure ANSWER DOWNLOAD EXAMIANS APP
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