Fluid Mechanics The resistance wire used in a hot wire anemometer for conducting electrical current is made of Tungsten Aluminium Chromium Copper Tungsten Aluminium Chromium Copper ANSWER DOWNLOAD EXAMIANS APP
Fluid Mechanics Liquid delivery by centrifugal pump starts, only when the head developed by it is equal to the __________ head. Total Friction Manometric Static Total Friction Manometric Static 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 28 mm/s 24 mm/s 16 mm/s 12 mm/s 28 mm/s 24 mm/s ANSWER DOWNLOAD EXAMIANS APP
Fluid Mechanics Rise of liquid in a capillary tube is due to Cohesion Adhesion Both A & B Neither A nor B Cohesion Adhesion Both A & B Neither A nor B ANSWER DOWNLOAD EXAMIANS APP
Fluid Mechanics Consider a centrifugal pump having a specific impeller diameter, fixed impeller speed pumping a liquid of constant density at a particular discharge capacity. With decrease in the capacity of the pump, the __________ decreases. BHP required by the pump Head of the liquid pumped All of these NPSH required BHP required by the pump Head of the liquid pumped All of these NPSH required ANSWER DOWNLOAD EXAMIANS APP
Fluid Mechanics A hydraulic ram acts as a/an __________ pump. Centrifugal Reciprocating Impulse Parallel cylinder Centrifugal Reciprocating Impulse Parallel cylinder ANSWER DOWNLOAD EXAMIANS APP