Propeller type centrifugal pumps are most suitable for September 7, 2025 by Admin High capacity at high heads High capacity at low heads Low capacity at high heads Low capacity at low heads ✅ The correct answer is option B.
For a stable equilibrium of a submerged body (where, G and B are centres of gravity & buoyancy respectively). September 7, 2025 by Admin G is above B B is above G B & G coincide None of these ✅ The correct answer is option B.
Pump used for the transportation of molten sodium in a fast breader reactor is a/an __________ pump. September 7, 2025 by Admin Reciprocating Plunger Electromagnetic Gear ✅ The correct answer is option C.
Very small pressure difference (< 5 mm water coloumn) can be most conveniently measured by a/an __________ manometer. September 7, 2025 by Admin U-tube water U-tube mercury Inclined tube mercury Inclined tube water ✅ The correct answer is option D.
The friction factor for turbulent flow in a hydraulically smooth pipe September 7, 2025 by Admin Depends only on Reynolds number Does not depend on Reynolds number Depends on the roughness None of these ✅ The correct answer is option A.
The main factor on which the behaviour of a mass of fluidised solid depends mainly is the September 7, 2025 by Admin Fluid characteristics Particle size Both A and B Neither A nor B ✅ The correct answer is option C.
For flow through an orifice from a reservoir, the actual velocity at the vena con-tracta is given by September 7, 2025 by Admin √(2gh) C.V. √(2gh) Cd √(2gh) Cc √(2gh) ✅ The correct answer is option B.
The speed of a sound wave in a gas is analogous to the speed of September 7, 2025 by Admin An elementary wave in an open channel Flow in an open channel A disturbance travelling upstream in moving fluid None of these ✅ The correct answer is option A.
A pressure head of 320 metres of water in meters of CCl₄ (sp.gr = 1.6) will be September 7, 2025 by Admin 100 200 320 160 ✅ The correct answer is option B.
The pitot static tube does not measure the __________ pressure. September 7, 2025 by Admin Static Total Difference in static & dynamic All of the above ✅ The correct answer is option D.