The unit power developed by a turbine is (where P = Power developed by the turbine under a head of water (H). P/ H3/2 P/ √H P/ H² P/ H TRUE ANSWER : ? YOUR ANSWER : ?
An ideal flow of any fluid must fulfill the following Newton’s law of motion Newton’s law of viscosity Continuity equation Pascal’ law TRUE ANSWER : ? YOUR ANSWER : ?
The discharge of a double acting reciprocating pump is (where L = Length of stroke, A = Cross-sectional area of piston, and N = Speed of crank in r.p.m.) 2 L.A.N L.A.N (L.A.N)/60 (2 L.A.N)/60 TRUE ANSWER : ? YOUR ANSWER : ?
A turbine pump is basically a centrifugal pump equipped additionally with Adjustable blades Vaned diffusion casing Backward curved blades Inlet guide blades TRUE ANSWER : ? YOUR ANSWER : ?
An opening in the side of a tank or vessel such that the liquid surface with the tank is below the top edge of the opening, is called Orifice Weir None of these Notch TRUE ANSWER : ? YOUR ANSWER : ?
The ratio of specific weight of a liquid to the specific weight of pure water at a standard temperature is called Surface tension of liquid Specific gravity of liquid Compressibility of liquid Density of liquid TRUE ANSWER : ? YOUR ANSWER : ?
Discharge (Q) of a centrifugal pump is given by (where D = Diameter of impeller at inlet, b = Width of impeller at inlet, and Vf = Velocity of flow at inlet) Q = D.b.Vf Q = π.D.Vf Q = π.b.Vf Q = π.D.bf.V TRUE ANSWER : ? YOUR ANSWER : ?
The discharge through an external mouthpiece is given by (where a = Cross-sectional area of the mouthpiece, and H = Height of liquid above the mouthpiece) 0.855 a.√(2gH) 5.85 aH.√(2g) 1.855 aH.√(2g) 1.585 a.√(2gH) TRUE ANSWER : ? YOUR ANSWER : ?
A glass tube of small diameter (d) is dipped in fluid. The height of rise or fall in the tube given by (where w = Specific weight of liquid, α = Angle of contact of the liquid surface, and σ = Surface tension) wd/4σ cosα 4wd/σ cosα 4σ cosα/wd σ cosα/4wd TRUE ANSWER : ? YOUR ANSWER : ?
The rise of liquid along the walls of a revolving cylinder about the initial level is _________ the depression of the liquid at the axis of rotation. Less than More than None of these Same as TRUE ANSWER : ? YOUR ANSWER : ?