Mechanical Engineering Mcqs

Hydraulic accumulator is used for____________________?
  • (A)  accumulating oil
  • (B)  supplying large quantities of oil for very short duration
  • (C)  generally high pressures to operate hydraulic machines
  • (D)  supplying energy when main supply fails
  • (E)  accumulating hydraulic energy
A hydraulic intensifier normally consists of __________________?
  • (A)  two cylinders, two rams and a storage device
  • (B)  a cylinder and a ram
  • (C)  two co-axial rams and two cylinders
  • (D)  a cylinder, a piston, storage tank and control valve
  • (E)  special type of pump with storage device and a pressure regulator
Impulse turbine is generally fitted______________________?
  • (A)  at the level of tail race
  • (B)  little above the tail race
  • (C)  slightly below the tail race
  • (D)  about 2.5 m above the tail race to avoid cavitation
  • (E)  about 2.5 m below the tail race to avoid cavitation