Question: Air vessel of a reciprocating pump is initially filled with [A]. atmospheric air [B]. compressed air [C]. water [D]. none of these Answer: Option B Explanation: No answer description available for this question.

Question: Mach number is important in a fluid flow problem, when the inertia and __________ forces predominate. [A]. elastic [B]. viscous [C]. gravity [D]. none of these Answer: Option A Explanation: No answer description available for this question.

Question: A pressure head of 320 metres of water in meters of CCl4 (sp.gr = 1.6) will be [A]. 100 [B]. 200 [C]. 320 [D]. 160 Answer: Option B Explanation: No answer description available for this question.

Question: Discharge in laminar flow through a pipe varies [A]. as the square of the radius. [B]. inversely as the pressure drop. [C]. inversely as the viscosity. [D]. as the square of the diameter. Answer: Option A Explanation: No answer…

Question: Cp/Cv is termed as [A]. adiabatic constant [B]. Mach number [C]. Weber number [D]. Prandtl number Answer: Option A Explanation: No answer description available for this question.

Question: For flow through an orifice from a reservoir, the actual velocity at the vena con-tracta is given by [A]. 2gh [B]. C.V. 2gh [C]. Cd 2gh [D]. Cc 2gh Answer: Option B Explanation: No answer description available for this…

Question: In deriving Bernoulli’s equation, fluid is assumed to be [A]. incompressible, frictionless, steady, along a streamline. [B]. uniform, steady, incompressible, along a streamline. [C]. steady, density being pressure dependent, frictionless. [D]. none of these. Answer: Option A Explanation: No…

Question: A hydraulic accumulator comprises of [A]. a storage device and a control valve. [B]. a cylinder and a plunger. [C]. two pistons and two cylinders. [D]. a storage tank and a ram pump. Answer: Option B Explanation: No answer…

Question: If ‘x’ is the depth of flow in an open channel of large width, then the hydraulic radius is equal to [A]. x [B]. x/2 [C]. x/3 [D]. 2x/3 Answer: Option A Explanation: No answer description available for this…

Question: Choking in case of pipe flow means that a [A]. specified mass flow rate can not be achieved. [B]. valve is closed in the line. [C]. restriction in flow cross-section area occurs. [D]. none of these. Answer: Option A…