Power Plant Engineering Mock Test 5

10%

Question 1 of 10

1. The half-life period of a radioactive element depends on its __________

pressure

amount

none of the mentioned

temperature

Question 1 of 10

Question 2 of 10

2. The time taken for a radioactive element to reduce to 50% of its original weight is __________ years if its half-life period is 12 years.

Question 2 of 10

Question 3 of 10

3. Which is a fertile nuclear fuel?

U-235

Th-232

Pu-239

U-233

Question 3 of 10

Question 4 of 10

4. Thorium can be converted into U-233 in a __________ reactor.

liquid metal reactor

curtis reactor

none of the mentioned

fast breeder

Question 4 of 10

Question 5 of 10

5. What is the head of water available at turbine inlet in hydro-electric power plant called?

tail race

net head

head race

gross head

Question 5 of 10

Question 6 of 10

6. Radioactive decay is a ________ change.

Chemical

None of the mentioned

Nuclear

Physical

Question 6 of 10

Question 7 of 10

7. Thermal neutrons which are used to cause the fission of U-235 have energy __________ eV.

<0.025

>200

1-25

Question 7 of 10

Question 8 of 10

8. Grindability index of a coal is 100. It implies that the __________

power consumption in grinding the coal will be very high

coal can't be pulverised

coal can be easily pulverised

coal can be pulverised with great difficulty

Question 8 of 10

Question 9 of 10

9. Main source of __________ is monazite sand.

Thorium

Uranium

Polonium

Halfnium

Question 9 of 10

Question 10 of 10

10. Which of the following hydraulic turbines has a construction given in diagram below?

Pelton turbine

Francis turbine

Propeller turbine

Kaplan turbine

Question 10 of 10