At what value of crank angle (roughly), no flow of water from or into the air vessel takes place in case of a double acting reciprocating pump? September 7, 2025 by Admin 40° and 140° 45° and 60° 90° and 80° 20° and 120° ✅ The correct answer is option A.
Design of the casing of centrifugal pump should be such as to minimise the September 7, 2025 by Admin Back flow through impeller Loss of kinetic head Loss of static head None of these ✅ The correct answer is option B.
Experimental study of laminar fluid flow through a circular tube was conducted by September 7, 2025 by Admin Reynolds Hagen and Poiseuille Pascal Blake-Plummer ✅ The correct answer is option B.
Unsteady non-uniform flow is represented by flow through a/an September 7, 2025 by Admin Long pipe at constant rate Long pipe at decreasing rate Expanding tube at increasing rate Expanding tube at constant rate ✅ The correct answer is option C.
Existence of boundary layer in fluid flow is because of the September 7, 2025 by Admin Surface tension Fluid density Fluid viscosity Gravity forces ✅ The correct answer is option C.
Rubber latex is an example of __________ fluid. September 7, 2025 by Admin Dilatent Newtonion Pseudoplastic Bingham plastic ✅ The correct answer is option C.
Bernoulli’s equation describes the September 7, 2025 by Admin Mechanical energy balance in potential flow Kinetic energy balance in laminar flow Mechanical energy balance in turbulent flow Mechanical energy balance in boundary layer ✅ The correct answer is option A.
A mono pump is a __________ pump. September 7, 2025 by Admin Centrifugal Piston Positive acting rotary A group of vacuum ✅ The correct answer is option C.
Pressure drop in a packed bed for laminar flow is given by the __________ equation. September 7, 2025 by Admin Kozney-Karman Blake-Plummer Leva’s Fanning friction factor ✅ The correct answer is option A.
For an incompressible fluid, the bulk modulus of elasticity is September 7, 2025 by Admin 5 kg/m³ ∞ N/m² 1 N 0 N/m ✅ The correct answer is option B.