Priming of a centrifugal pump is done to None of these Increase the mass flow rate of fluid Develop effective pressure rise by the pump Avoid chances of separation inside the impeller TRUE ANSWER : ? YOUR ANSWER : ?
Plunger pumps are used for Slurries None of these Higher pressure Viscous mass TRUE ANSWER : ? YOUR ANSWER : ?
The velocity profile exhibited by laminar flow of Newtonion fluids is such that the velocity distribution w.r.t. radius of the circular pipe is a/an __________ with the apex at the centre line of the pipe. Semi-circle Hyperbola Parabola Semi-ellipse TRUE ANSWER : ? YOUR ANSWER : ?
Steady fluid flow occurs, when the derivative of flow variables satisfy the following condition. ∂/∂s = constant ∂/∂t = 0 ∂/∂s = 0 ∂/∂t = constant TRUE ANSWER : ? YOUR ANSWER : ?
A hydraulic ram acts as a/an __________ pump. Impulse Parallel cylinder Reciprocating Centrifugal TRUE ANSWER : ? YOUR ANSWER : ?
The Mach number for hypersonic flow of compressible fluid is < 2 1 > 1 > 4 TRUE ANSWER : ? YOUR ANSWER : ?
The fluid velocity varies as the cube of the cylinderical pipe diameter in case of steady state laminar flow at constant pressure drop for __________ fluid. Bingham plastic Pseudoplastic Dilatent Newtonion TRUE ANSWER : ? YOUR ANSWER : ?
For a stable equilibrium of a submerged body (where, G and B are centres of gravity & buoyancy respectively). B & G coincide B is above G G is above B None of these TRUE ANSWER : ? YOUR ANSWER : ?
If three pipes of different diameters, lengths & friction factors are connected in parallel, then (where, Q = flow rate, V= fluid velocity f = friction factor). Q = Q₁ + Q₂ + Q₃ F = f₁ + f₂ + f₃ V₁ = V₂ = V₃ Q₁ = Q₂ = Q₃ TRUE ANSWER : ? YOUR ANSWER : ?
A venturimeter can not be used for the direct measurement of Datum difference in the stretch of pipeflow Pressure difference in the flow throughpipeline All of these Friction loss in pipe flow TRUE ANSWER : ? YOUR ANSWER : ?