Hydraulics and Fluid Mechanics in ME According to fan laws, for the fans having constant wheel diameters, the power demand varies Square root of fan speed Square of fan speed Directly as fan speed Cube of fan speed Square root of fan speed Square of fan speed Directly as fan speed Cube of fan speed ANSWER DOWNLOAD EXAMIANS APP
Hydraulics and Fluid Mechanics in ME The number of buckets on the periphery of a Pelton wheel is given by (D/2d) + 10 (D/2d) + 20 (D/2d) + 5 (D/2d) + 15 (D/2d) + 10 (D/2d) + 20 (D/2d) + 5 (D/2d) + 15 ANSWER DOWNLOAD EXAMIANS APP
Hydraulics and Fluid Mechanics in ME When a body is placed over a liquid, it will sink down if Gravitational force is equal to the up-thrust of the liquid Gravitational force is less than the up-thrust of the liquid Gravitational force is more than the up-thrust of the liquid None of these Gravitational force is equal to the up-thrust of the liquid Gravitational force is less than the up-thrust of the liquid Gravitational force is more than the up-thrust of the liquid None of these ANSWER DOWNLOAD EXAMIANS APP
Hydraulics and Fluid Mechanics in ME The kinematic viscosity of an oil (in stokes) whose specific gravity is 0.95 and viscosity 0.011 poise, is 0.611 stoke 0.0611 stoke 0.0116 stoke 0.116 stoke 0.611 stoke 0.0611 stoke 0.0116 stoke 0.116 stoke ANSWER DOWNLOAD EXAMIANS APP
Hydraulics and Fluid Mechanics in ME Theoretical power required (in watts) to drive a reciprocating pump is (where w = Specific weight of liquid to be pumped in N/m3, Q = Discharge of the pump in m3/s, Hs = Suction head in meters, and Hd = Delivery head in meters) wQHs wQ (Hs + Hd) wQ (Hs - Hd) wQHd wQHs wQ (Hs + Hd) wQ (Hs - Hd) wQHd ANSWER DOWNLOAD EXAMIANS APP