Hydraulics and Fluid Mechanics in ME When the coefficient of discharge (Cd) is 0.623, then the general equation for discharge over a rectangular weir is 1.84(L - 0.1nH)H5/2 1.84(L - nH)H3 1.84(L - 0.1nH)H3/2 1.84(L - nH)H2 1.84(L - 0.1nH)H5/2 1.84(L - nH)H3 1.84(L - 0.1nH)H3/2 1.84(L - nH)H2 ANSWER DOWNLOAD EXAMIANS APP
Hydraulics and Fluid Mechanics in ME If cohesion between molecules of a fluid is greater than adhesion between fluid and glass, then the free level of fluid in a dipped glass tube will be Higher than the surface of liquid Lower than the surface of liquid Unpredictable The same as the surface of liquid Higher than the surface of liquid Lower than the surface of liquid Unpredictable The same as the surface of liquid ANSWER DOWNLOAD EXAMIANS APP
Hydraulics and Fluid Mechanics in ME A tank of uniform cross-sectional area (A) containing liquid upto height (H1) has an orifice of cross-sectional area (a) at its bottom. The time required to empty the tank completely will be (2A√H₁)/(Cd × a√2g) (2AH₁)/(Cd × a√2g) (2AH₁²)/(Cd × a√2g) (2AH₁3/2)/(Cd × a√2g) (2A√H₁)/(Cd × a√2g) (2AH₁)/(Cd × a√2g) (2AH₁²)/(Cd × a√2g) (2AH₁3/2)/(Cd × a√2g) ANSWER DOWNLOAD EXAMIANS APP
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 Cube of fan speed Directly as fan speed Square root of fan speed Square of fan speed Cube of fan speed Directly as fan speed ANSWER DOWNLOAD EXAMIANS APP
Hydraulics and Fluid Mechanics in ME Size of a venturimeter is specified by angle of diverging section both pipe diameter as well as throat diameter pipe diameter throat diameter angle of diverging section both pipe diameter as well as throat diameter pipe diameter throat diameter ANSWER DOWNLOAD EXAMIANS APP
Hydraulics and Fluid Mechanics in ME The purpose of a surge tank is To eliminate water hammer possibilities To regulate flow of water to turbines by providing necessary retarding head of water All of these To control the pressure variations due to rapid changes in the pipe line flow To eliminate water hammer possibilities To regulate flow of water to turbines by providing necessary retarding head of water All of these To control the pressure variations due to rapid changes in the pipe line flow ANSWER DOWNLOAD EXAMIANS APP