Fluid Mechanics Ratio of inertial forces to surface tension forces is called the __________ number. Weber Froude Euler Mach Weber Froude Euler Mach ANSWER DOWNLOAD EXAMIANS APP
Fluid Mechanics The Prandtl mixing length is Independent of radial distance from the pipe axis Zero at the pipe wall and is a universal constant Useful for computing laminar flow problems Independent of the shear stress Independent of radial distance from the pipe axis Zero at the pipe wall and is a universal constant Useful for computing laminar flow problems Independent of the shear stress 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 28 mm/s 12 mm/s 24 mm/s 16 mm/s 28 mm/s 12 mm/s 24 mm/s 16 mm/s 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
Fluid Mechanics Velocity at a certain point in case of streamline flow is Both A & B Independent of time Neither A nor B Constant Both A & B Independent of time Neither A nor B Constant ANSWER DOWNLOAD EXAMIANS APP
Fluid Mechanics The temperature in isentropic flow Depends on Mach number only Cannot drop and then increase again downstream None of these Does not depend on Mach number Depends on Mach number only Cannot drop and then increase again downstream None of these Does not depend on Mach number ANSWER DOWNLOAD EXAMIANS APP