Fluid Mechanics As the velocity V and thus the Reynolds number of a flow past a sphere increases from very low value, the drag force for Re << 1 Decreases linearly with V Increases linearly with V None of these Decreases as V² Decreases linearly with V Increases linearly with V None of these Decreases as V² ANSWER DOWNLOAD EXAMIANS APP
Fluid Mechanics Which of the following is the most common pump for pumping either raw sewage or sludge? Gear pump Reciprocating pump Centrifugal pump Electromagnetic pump Gear pump Reciprocating pump Centrifugal pump Electromagnetic pump ANSWER DOWNLOAD EXAMIANS APP
Fluid Mechanics Which of the following must be followed by the flow of a fluid (real or ideal)? (I) Newton's law of viscosity. (II) Newton's second law of motion. (III) The continuity equation. (IV) Velocity of boundary layer must be zero relative to boundary. (V) Fluid cannot penetrate a boundary. I, II, V II, IV, V II, III, V I, II, III I, II, V II, IV, V II, III, V I, II, III ANSWER DOWNLOAD EXAMIANS APP
Fluid Mechanics Low specific speed of a pump implies that, it is a/an __________ pump. Mixed flow Centrifugal Axial flow None of these Mixed flow Centrifugal Axial flow None of these ANSWER DOWNLOAD EXAMIANS APP
Fluid Mechanics The peripherial velocity at inlet of a centrifugal pump having inlet diameter of 25 cms and rotating at 950 rpm is __________ m/sec. 736.4 186.2 12.4 1.8 736.4 186.2 12.4 1.8 ANSWER DOWNLOAD EXAMIANS APP
Fluid Mechanics Which of the following pipe bends will incur the largest head loss ? 45° bend 90° bend U-bend 30° bend 45° bend 90° bend U-bend 30° bend ANSWER DOWNLOAD EXAMIANS APP
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