Questions and answers for exam Preparation

MCQs

Total Questions : 58 | Page 3 of 6 pages

Question 21. An impulse turbine is essentially a __________________

low-speed turbine and is used for high heads
low-speed turbine and is used for low heads
high-speed turbine and is used for high heads
high-speed turbine and is used for low heads

Discuss Question

Answer: Option A. -> low-speed turbine and is used for high heads
Answer: (a).low-speed turbine and is used for high heads

Question 22. Which of the following is turbine is used for medium heads ranging from 25 to 150 meters?

Pelton turbine
Kaplan turbine
Francis turbine
Propeller turbine

Discuss Question

Answer: Option C. -> Francis turbine
Answer: (c).Francis turbine

Question 23. An impulse turbine like a Pelton’s turbine is __________________________

an open body exposed to the atmosphere
a closed body not exposed to the atmosphere
a partially open and partially closed body
depends on the design requirements

Discuss Question

Answer: Option A. -> an open body exposed to the atmosphere
Answer: (a).an open body exposed to the atmosphere

Question 24. A hydropower plant developed at the site of a drop in an irrigation canal is of the type ________

runoff river plant
storage plant
pumped storage plant
tidal plant

Discuss Question

Answer: Option A. -> runoff river plant
Answer: (a).runoff river plant

Question 25. Fossil fuels are used in _____________________

a nuclear power plant
an ordinary thermal power plant
a hydropower plant
atomic power plant

Discuss Question

Answer: Option B. -> an ordinary thermal power plant
Answer: (b).an ordinary thermal power plant

Question 26. A nuclear power development scheme is essentially a _____________________

thermal power scheme
hydropower scheme
both thermal and hydropower scheme
atomic power scheme

Discuss Question

Answer: Option A. -> thermal power scheme
Answer: (a).thermal power scheme

Question 27. A storage hydro plant essentially involves ________________

a barrage or a weir
a dam
either barrage or a dam
check dams

Discuss Question

Answer: Option B. -> a dam
Answer: (b).a dam

Question 28. A runoff river plant for hydropower generation is essentially a ________________________

high head scheme
medium head scheme
low head scheme
any of the schemes

Discuss Question

Answer: Option C. -> low head scheme
Answer: (c).low head scheme

Question 29. If the specific speed in revolution per minute of a turbine is in between 60 to 300, the type of the turbine is ________________

Pelton turbine
Francis turbine
Propeller turbine
Kaplan turbine

Discuss Question

Answer: Option B. -> Francis turbine
Answer: (b).Francis turbine

Question 30. Consider the following statements.
i. Runoff river plants can be located on any river
ii. Runaway speed of a turbine is generally 180% of normal speed
iii. Underground power stations are suited to areas susceptible to landslides
iv. Higher the specific speed, higher will be the discharge and the head
Which of these statements are correct?