A hydraulic intensifier normally consists of Two cylinders, two rams and a storage device Two coaxial rams and two cylinders A cylinder, a piston, storage tank and control valve A cylinder and a ram TRUE ANSWER : ? YOUR ANSWER : ?
The major loss of energy in long pipes is due to gradual contraction or enlargement sudden contraction friction sudden enlargement TRUE ANSWER : ? YOUR ANSWER : ?
The meatcentric height is the distance between the Centre of gravity of the floating body and the metacentre Metacentre and centre of buoyancy Centre of gravity of the floating body and the centre of buoyancy Original centre of buoyancy and new centre of buoyancy TRUE ANSWER : ? YOUR ANSWER : ?
A square surface 3 m x 3 m lies in a vertical line in water pipe its upper edge at vater surface. The hydrostatic force on square surface is 27,000 kg 18,000 kg 13,500 kg 9,000 kg TRUE ANSWER : ? YOUR ANSWER : ?
Which of the following turbine is preferred for a specific speed of 60 to 300 r.p.m.? Kaplan turbine None of these Francis turbine Pelton wheel TRUE ANSWER : ? YOUR ANSWER : ?
A balloon lifting in air follows the following principle law of gravitation Archimedes principle All of these principle of buoyancy TRUE ANSWER : ? YOUR ANSWER : ?
In an inward flow reaction turbine The water enters the wheel at the outer periphery and then flows towards the center of the wheel The water flows parallel to the axis of the wheel The water enters at the center of the wheel and then flows towards the outer periphery of the wheel The flow of water is partly radial and partly axial TRUE ANSWER : ? YOUR ANSWER : ?
The velocity at which the flow changes from laminar flow to turbulent flow is called Sub-sonic velocity Velocity of approach Super-sonic velocity Critical velocity TRUE ANSWER : ? YOUR ANSWER : ?
The flow in a pipe is neither laminar nor turbulent when Reynold number is None of these Less than 2000 Between 2000 and 2800 More than 2800 TRUE ANSWER : ? YOUR ANSWER : ?
A Pelton wheel is Tangential flow impulse turbine Inward flow impulse turbine Inward flow reaction turbine Outward flow impulse turbine TRUE ANSWER : ? YOUR ANSWER : ?