- (A) 39.2%
- (B) 49.2%
- (C) 68.8%
- (D) 84.8%
- (E) 91.6%.
Exam preparation MCQs with answers
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Latest MCQs
- (A) discharge a diameter
- (B) head a speed2
- (C) head a diameter
- (D) Power a speed3
- (E) none of the above is wrong
- (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) 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
- (A) waste valve closes suddenly
- (B) supply pipe is long
- (C) supply pipe is short
- (D) ram chamber is large
- (E) supply pipe has critical diameter
- (A) directly as the air or gas density
- (B) inversely as square root of density
- (C) inversely as density
- (D) as square of density
- (E) as square root of density
- (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
- (A) medium head application from 24 to 180 m
- (B) low head installation up to 30 m
- (C) high head installation above 180 m
- (D) all types of heads
- (E) none of the above
- (A) Impulse turbines
- (B) Reaction turbines
- (C) Axial flow turbines
- (D) Mixed flow turbines
- (E) Reaction-cum-impulse turbines
- (A) increases
- (B) decreases
- (C) remains unaffected
- (D) first increases and then decreases
- (E) first decreases and then increases

