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MCQs

Total Questions : 304 | Page 30 of 31 pages
Question 291. 5. Capacity of hydraulic accumulator is generally specified as
  1.    Quantity of liquid accumulated
  2.    Height raising capability of accumulator
  3.    Maximum pressure developed
  4.    Maximum energy stored
 Discuss Question
Answer: Option D. -> Maximum energy stored
Question 292. 7. A hydraulic accumulator normally consists of
  1.    Two cylinders, two rams and a storage device
  2.    A cylinder and a ram
  3.    Two co-axial rams and two cylinders
  4.    A cylinder, a piston, storage tank and control valve
 Discuss Question
Answer: Option B. -> A cylinder and a ram
Question 293. 8. A hydraulic intensifier normally consists of
  1.    Two cylinders, two rams and a storage device
  2.    A cylinder and a ram
  3.    Two co-axial rams and two cylinders
  4.    A cylinder, a piston, storage tank and control valve
 Discuss Question
Answer: Option C. -> Two co-axial rams and two cylinders
Question 294. 9. Hydraulic accumulator is used for
  1.    Accumulating oil
  2.    Supplying large quantities of oil for very short duration
  3.    Generally high pressures to operate hydraulic machines
  4.    Supplying energy when main supply fails
 Discuss Question
Answer: Option D. -> Supplying energy when main supply fails
Question 295. 0. Maximum impulse will be developed in hydraulic ram when
  1.    Waste valve closes suddenly
  2.    Supply pipe is long
  3.    Supply pipe is short
  4.    Ram chamber is large
 Discuss Question
Answer: Option A. -> Waste valve closes suddenly
Question 296. 3. Average generation in KWH per year / Installed capacity in kW x hrs per year, is known as
  1.    Capacity factor
  2.    Plant factor
  3.    Use factor
  4.    Any of the above
 Discuss Question
Answer: Option D. -> Any of the above
Question 297. 1. The maximum continuous power available from a hydroelectric plant under the most adverse hydraulic conditions, is known as
  1.    Base power
  2.    Firm power
  3.    Primary power
  4.    Secondary power
 Discuss Question
Answer: Option B. -> Firm power
Question 298. 2. A plot between power generated in MW and time is known as
  1.    Load curve
  2.    Load duration curve
  3.    Load factor curve
  4.    Demand curve
 Discuss Question
Answer: Option A. -> Load curve
Question 299. 4. The ratio of maximum load to rated plant capacity is known as
  1.    Load factor
  2.    Utilization factor
  3.    Maximum load factor
  4.    Capacity factor
 Discuss Question
Answer: Option B. -> Utilization factor
Question 300. 6. Capacity of a hydroelectric plant in service in excess of the peak load is known as
  1.    Operating reserve
  2.    Spinning reserve
  3.    Cold reserve
  4.    Hot reserve
 Discuss Question
Answer: Option A. -> Operating reserve

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