Hydrometer is used to determine specific gravity of gases relative humidity specific gravity of liquids specific gravity of solids TRUE ANSWER : ? YOUR ANSWER : ?
High specific speed of turbine implies it is Francis turbine None of the listed here Impulse turbine Propeller turbine TRUE ANSWER : ? YOUR ANSWER : ?
The power developed by a turbine is (where H = Head of water under which the turbine is working) Inversely proportional to H3/2 Inversely proportional to H1/2 Directly proportional to H1/2 Directly proportional to H3/2 TRUE ANSWER : ? YOUR ANSWER : ?
When the Mach number is between ___ the flow is called super-sonic flow. 1 and 2.5 4 and 6 2.5 and 4 1 and 6 TRUE ANSWER : ? YOUR ANSWER : ?
A water tank contains 1.3 m deep water. The pressure exerted by the water per metre length of the tank is 9.28 kN 8.29 kN 28.9 kN 2.89 kN TRUE ANSWER : ? YOUR ANSWER : ?
The flow in which the particles of a fluid attain such velocities that vary from point to point in magnitude and direction as well as from instant to instant, is known as steady flow turbulent flow one dimensional flow uniform flow TRUE ANSWER : ? YOUR ANSWER : ?
In a static fluid Fluid pressure is zero Linear deformation is small Resistance to shear stress is small Only normal stresses can exist TRUE ANSWER : ? YOUR ANSWER : ?
The total pressure force on a plane area is equal to the area multiplied by the intensity of pressure at the Centroid, if All of these The area is inclined The area is vertical The area is horizontal TRUE ANSWER : ? YOUR ANSWER : ?
Braking jet in an impulse turbine is used To break the jet of water None of these To change the direction of runner To bring the runner to rest in a short time TRUE ANSWER : ? YOUR ANSWER : ?
The depth of centre of pressure (h) for a vertically immersed surface from the liquid surface is given by (where IG = Moment of inertia of the immersed surface about horizontal axis through its centre of gravity, A = Area of immersed surface, and x = Depth of centre of gravity of the immersed surface from the liquid surface) (IG/x̅) - Ax̅ (IG/Ax̅) - x̅ (IG/Ax̅) + x̅ (Ax̅/IG) + x̅ TRUE ANSWER : ? YOUR ANSWER : ?