A double acting reciprocating pump compared to a single acting pump (of almost same size working under same pressure levels) would give almost double Head Efficiency None of these Discharge TRUE ANSWER : ? YOUR ANSWER : ?
While starting an axial flow pump, its delivery valve should be kept None of these Either open or closed Closed Open TRUE ANSWER : ? YOUR ANSWER : ?
The length of the tube necessary for the boundary layer to reach the centre of the tube and for fully developed flow to be established is called the __________ length. Transition Equivalent Prandtl mixing None of these TRUE ANSWER : ? YOUR ANSWER : ?
For Laminar flow through a packed bed, the pressure drop is proportional to (Vs is the superficial liquid velocity and Dp is the particle diameter) Vs²/Dp³ Vs/Dp² Vs/Dp³ Vs²/Dp² TRUE ANSWER : ? YOUR ANSWER : ?
Interstage coolers are provided in a multistage compressor to Save power in compressing a given volume to a given pressure None of these Achieve the exact delivery pressure Cool the delivered air TRUE ANSWER : ? YOUR ANSWER : ?
In power law, ζ = A (du/dy)² + B , then the fluid is Rheopectic Thixotropic Dilatant Newtonian TRUE ANSWER : ? YOUR ANSWER : ?
Schedule number of a pipe, which is a measure of its wall thickness, is given by 1000 S/P' 100 P'/S 1000 P'/S 10000 P'/S TRUE ANSWER : ? YOUR ANSWER : ?
While starting a centrifugal pump, its delivery valve should be kept Opened Either opened or closed ; it does not make any difference Closed Either opened or closed; depending on the fluid viscosity TRUE ANSWER : ? YOUR ANSWER : ?
The continuity equation Stipulates that Newton's second law of motion must be satisfied at every point in the fluid Relates mass flow rate along a stream tube Relates work and energy None of these TRUE ANSWER : ? YOUR ANSWER : ?
Reynolds number for flow of water at room temperature through 2 cm dia pipe at an average velocity of 5 cm/sec is around 100 10 2000 1000 TRUE ANSWER : ? YOUR ANSWER : ?