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MCQs

Total Questions : 58 | Page 1 of 6 pages
Question 1. Identify the correct statement in regard to hydropower.
  1.    Hydropower stations are generally labour-oriented
  2.    The gestation period for hydro-power plant is usually small
  3.    The hydro generators give high efficiency over a wide range of load
  4.    In a hydropower scheme, the firm power is usually high as compared to tidal power
 Discuss Question
Answer: Option C. -> The hydro generators give high efficiency over a wide range of load
Answer: (c).The hydro generators give high efficiency over a wide range of load
Question 2. To avoid the possible damage to the wicket gates and turbine runners _________________ is provided.
  1.    trash racks
  2.    surge chamber
  3.    floating boom
  4.    racks and trolley arrangement
 Discuss Question
Answer: Option A. -> trash racks
Answer: (a).trash racks
Question 3. Forebay provides temporary storage before the water goes to the turbine. Following perform the function of forebay ____________________
  1.    river
  2.    tailrace channel
  3.    reservoir
  4.    approach channel
 Discuss Question
Answer: Option C. -> reservoir
Answer: (c).reservoir
Question 4. In case of long penstocks, ___________________ is generally provided so as to absorb water hammer pressure.
  1.    trash racks
  2.    surge chamber
  3.    floating boom
  4.    racks and trolley arrangement
 Discuss Question
Answer: Option B. -> surge chamber
Answer: (b).surge chamber
Question 5. The surge tank serves which of the following purposes?
i. It allows the sediment to settle down
ii. It prevents debris from entering powerhouse
iii. It controls pressure variations in pipelines
iv. It regulates flow in the pipelines
  1.    i and ii
  2.    ii and iii
  3.    iii and iv
  4.    i, ii and iii
 Discuss Question
Answer: Option C. -> iii and iv
Answer: (c).iii and iv
Question 6. Sharp bends must be avoided in penstocks while designing components of the hydroelectric scheme.
  1.    True
  2.    False
  3.    May be True or False
  4.    Can't say
 Discuss Question
Answer: Option A. -> True
Answer: (a).True
Question 7. The retarding and accelerating heads are developed more promptly in ________________
  1.    simple surge tank
  2.    restricted orifice surge chamber
  3.    differential surge chamber
  4.    multi surge chamber
 Discuss Question
Answer: Option C. -> differential surge chamber
Answer: (c).differential surge chamber
Question 8. The correct sequence in the direction of the flow of water for installations in a hydropower plant is _______________________
  1.    Reservoir, Surge tank, Turbine, Penstock
  2.    Reservoir, Penstock, Surge tank, Turbine
  3.    Reservoir, Penstock, Turbine, Surge tank
  4.    Reservoir, Surge tank, Penstock, Turbine
 Discuss Question
Answer: Option B. -> Reservoir, Penstock, Surge tank, Turbine
Answer: (b).Reservoir, Penstock, Surge tank, Turbine
Question 9. The first power station of India was installed at _________________
  1.    Mysore
  2.    Bombay
  3.    Darjeeling
  4.    Bangalore
 Discuss Question
Answer: Option C. -> Darjeeling
Answer: (c).Darjeeling
Question 10. In India, the nuclear power generation is about ____________ of the total power generation.
  1.    3%
  2.    4%
  3.    5%
  4.    6%
 Discuss Question
Answer: Option A. -> 3%
Answer: (a).3%

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