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) 1.8 Vavg 1.5 Vavg 1.2 Vavg Vavg 1.8 Vavg 1.5 Vavg 1.2 Vavg Vavg ANSWER DOWNLOAD EXAMIANS APP
Fluid Mechanics In case of supersonic flow of a fluid through pipeline, the 'Mach number' is 1 < 1 > 1 1 < 1 > 1 ANSWER DOWNLOAD EXAMIANS APP
Fluid Mechanics Boundary layer thickness in turbulent flow over a flat plate increases as(where, d = distance from the leading edge.) d1/3 √d d4/5 d2/3 d1/3 √d d4/5 d2/3 ANSWER DOWNLOAD EXAMIANS APP
Fluid Mechanics Two fluids are flowing through two similar pipes of the same diameter. The Reynold's number is same. For the same flow rate if the viscosity of a fluid is reduced to half the value of the first fluid, the pressure drop will Increase Decrease Data insufficient to predict relative pressure drop Remain unchanged Increase Decrease Data insufficient to predict relative pressure drop Remain unchanged 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 24 mm/s 12 mm/s 16 mm/s 28 mm/s 24 mm/s 12 mm/s 16 mm/s 28 mm/s ANSWER DOWNLOAD EXAMIANS APP
Fluid Mechanics Interstage coolers are provided in a multistage compressor to Cool the delivered air None of these Achieve the exact delivery pressure Save power in compressing a given volume to a given pressure Cool the delivered air None of these Achieve the exact delivery pressure Save power in compressing a given volume to a given pressure ANSWER DOWNLOAD EXAMIANS APP
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