Question: Momentum correction factor used in fluid flow problems accounts for the [A]. change in direction of flow. [B]. change in total energy. [C]. change in pressure. [D]. non uniform direction of velocities at inlet & outlet sections. Answer: Option…

Question: Choose the correct set of dimensions of viscosity that are equivalent (where, F, M, L, T are dimensions for force, mass, length and time respectively). [A]. FL-2T, ML-1T-1 [B]. FLT, ML-1T-1 [C]. ML-1T-3, F-1L2T [D]. F-1L2T-1, MLT-3 Answer: Option…

Question: The bulk modulus of elasticity of a liquid [A]. is zero for incompressible liquid. [B]. decreases with pressure. [C]. is independent of temperature & pressure. [D]. increases with pressure. Answer: Option D Explanation: No answer description available for this…

Question: Correction for capillary effect in manometers (used for pressure measurement) need not be applied, if diameter of the manometer tube is __________ mm. [A]. < 4 [B]. > 4 [C]. > 12.5 [D]. < 10 Answer: Option C Explanation:…

Question: For an incompressible fluid, the bulk modulus of elasticity is [A]. 5 kg/m3 [B]. ∞ N/m2 [C]. 1 N [D]. 0 N/m Answer: Option B Explanation: No answer description available for this question.

Question: In a stabilised soap bubble, pressure inside it compared to external pressure is [A]. more [B]. less [C]. same [D]. unpredictable Answer: Option A Explanation: No answer description available for this question.

Question: With increase in molecular weight of the gas, the head developed by a centrifugal compressor will [A]. decrease [B]. increase [C]. remain same [D]. unpredictable Answer: Option A Explanation: No answer description available for this question.

Question: Centrifugal compressors compared to reciprocating compressors [A]. require less space. [B]. have quieter operation. [C]. have lower operating costs. [D]. all (a), (b) and (c). Answer: Option D Explanation: No answer description available for this question.

Question: Discharge from a 24 inch pipe of water at 10 ft/sec will be __________ ft3/sec. [A]. 7.65 [B]. 32.36 [C]. 48.22 [D]. 125.6 Answer: Option D Explanation: No answer description available for this question.

Question: If the discharge of a centrifugal pump is throttled, then its suction lift [A]. increases [B]. decreases [C]. remains unchanged [D]. data insufficient to predict Answer: Option A Explanation: No answer description available for this question.