Fluid Mechanics The equation given below is called the __________ . f-0.5 = 4.07 loge (NRe√f)-0.6 None of these Colebrook formula Fanning equation Von-Karman equation None of these Colebrook formula Fanning equation Von-Karman equation ANSWER DOWNLOAD EXAMIANS APP
Fluid Mechanics What is the force required (in Newtons) to hold a spherical balloon stationary in water at a depth of H from the air-water iterface? The balloon is of radius 0.1 m and is filled with air. 0.01πgH/8 0.01πgH/4 0.04πgH/3 4πg/3 0.01πgH/8 0.01πgH/4 0.04πgH/3 4πg/3 ANSWER DOWNLOAD EXAMIANS APP
Fluid Mechanics A bed of spherical particles (specific gravity 2.5) of uniform size 1500 μm is 0.5 m in diameter and 0.5 m high. In packed bed state, the porosity may be taken as 0.4. Ergun's equation for the above fluid-particle system (in SI units) is given below : Δ P/L = 375 x 10³ VOM + 10.94 x 10⁶ V²OM (SI units) If water is to be used as the fluidising medium, the minimum fluidisation velocity, VOM is 16 mm/s 12 mm/s 24 mm/s 28 mm/s 16 mm/s 12 mm/s 24 mm/s 28 mm/s ANSWER DOWNLOAD EXAMIANS APP
Fluid Mechanics Multistage compressors are used in industry, because they Are easy to control Resemble closely to isothermal compression Reduce the size requirement Reduce the cost of compressor Are easy to control Resemble closely to isothermal compression Reduce the size requirement Reduce the cost of compressor ANSWER DOWNLOAD EXAMIANS APP
Fluid Mechanics While starting an axial flow pump, its delivery valve should be kept None of these Closed Open Either open or closed None of these Closed Open Either open or closed ANSWER DOWNLOAD EXAMIANS APP
Fluid Mechanics A fluid is pumped at the rate of 10 lb/sec to a height of 55 ft. The horse power required is __________ hp. 5.5 20363 20090 1 5.5 20363 20090 1 ANSWER DOWNLOAD EXAMIANS APP
EXAMIANS