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 Δp² Δp < Δp > Δp Δp² Δp < Δp ANSWER DOWNLOAD EXAMIANS APP
Fluid Mechanics Reynolds number for flow of water at room temperature through 2 cm dia pipe at an average velocity of 5 cm/sec is around 2000 100 10 1000 2000 100 10 1000 ANSWER DOWNLOAD EXAMIANS APP
Fluid Mechanics Capillary rise of mercury in a small diameter tube is proportional to (where, d = diameter of the tube, σ = surface tension of mercury) 1/d L/σ D Σ 1/d L/σ D Σ ANSWER DOWNLOAD EXAMIANS APP
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) 1.5 Vavg Vavg 1.2 Vavg 1.8 Vavg 1.5 Vavg Vavg 1.2 Vavg 1.8 Vavg ANSWER DOWNLOAD EXAMIANS APP
Fluid Mechanics A centrifugal pump used to pump water is used to pump an oil with specific gravity of 0.8 at the same rate. The power consumption will now Remain same Increase Data insufficient to predict Decrease Remain same Increase Data insufficient to predict Decrease ANSWER DOWNLOAD EXAMIANS APP
Fluid Mechanics Choose the set of pressure intensities that are equivalent. 4.33 psi, 10 ft. of water, 20.7 inches of Hg 10 psi, 19.7 ft. of water, 5.3 inches of Hg 4.33 psi, 10 ft. of water, 8.83 inches of Hg 10 psi, 19.7 ft. of water, 23.3 inches of Hg 4.33 psi, 10 ft. of water, 20.7 inches of Hg 10 psi, 19.7 ft. of water, 5.3 inches of Hg 4.33 psi, 10 ft. of water, 8.83 inches of Hg 10 psi, 19.7 ft. of water, 23.3 inches of Hg ANSWER DOWNLOAD EXAMIANS APP
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