Power Plant Special MCQ Part 2
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Power Plant Special MCQ Part Two
1.Induced draft fans are located at
(a) The top
(b) The bottom
(c) In the middle part
(d) Can be anywhere, in the colling tower
Answer-A
2. The annual depreciation of a hydro power plant is about
(a) 0.5-1.5%
(b) 5-10%
(c) 10-20%
(d) 25-30%
Answer-A
3. Francis and Kaplan turbines fall under the category of
(a) Impulse turbine
(b) Reaction turbine
(c) Axial flow
(d) Impulse and reaction combined
Answer-B
4. For the same power output, operating charges are minimum in a
(a) Gas turbine plant
(b) Hydro power plant
(c) Thermal plant
(d) Nuclear plant
Answer-B
Power Plant Special MCQ Part 2
5. A very high speed hydro electric plant use
(a) Francis turbine
(b) Propeller turbine
(c) Pelton wheel
(d) Kaplan turbine
Answer-C
6. The flow duration curve at a given head of a hydroelectric plant is used to determine
(a) Diversity factor of the plant
(b) Total power mat the site
(c) Total energy available
(d) Load factor of the plant
Answer-B
7. Francis Turbine is a
(a) Axial flow turbine
(b) Radial flow turbine
(c) Impulse turbine
(d) Outward flow turbine
Answer-B
8. Low head plants generally use
(a) Pelton turbines
(b) Francis turbines
(c) Kaplan turbines
(d) Both (a) and (b)
Answer-C
9. In reaction turbine
(a) Kinetic energy is appreciable as the fluid leaves the runner and enters the draft tube
(b) The vanes are partly filled
(c) Total energy of fluid is converted to kinetic energy in the runner
(d) It is exposed to the atmosphere
Answer-A
Power Plant Special MCQ Part 2
10. Horizontal axis and vertical axis are the types of
(a) Nuclear Reactor
(b) Wind Mills
(c) Bio Gas Reactor
(d) Solar Cell
Answer-B
11. In hydro power station which components is used to setup the generating voltage to a suitable transmission voltage
(a) Transformer
(b) Generator
(c) Transmission line
(d) Turbine
Answer-A
12. Kaplan turbines are used whenever the water head is
(a) Low
(b) High
(c) Medium
(d) (b) and (c)
Answer-A
Power Plant Special MCQ Part 2
13. Economisers are used to heat
(a) Coal
(b) Air
(c) Steam
(d) Feed water
Answer-D
14. The expression for power plant output in kilo-watt of a hydro-electric plant is given by
(a) 0.736 Q.W.h/75 X η0
(b) 0.736 Q.Wh.η0/75
(c) 75 Q.Wh.η0/0.736
(d) None of these
Answer-B
15. Which alternator will have more number of poles
(a) Coupled to steam turbine
(b) Coupled to gas turbine
(c) Coupled to hydraulic turbine
(d) None of these
Answer-C
16. Which turbine is depicted by the given picture
(a) Francis
(b) Curtis
(c) Kaplan
(d) Pelton Wheel
Answer-D
17. Sluice gates and automated isolating valves are components of
(a) Valve-House
(b) Head race
(c) Spill Way
(d) Penstock
Answer-A
Power Plant Special MCQ Part 2
18. Which of the following components is not a part of hydro-electric plant
(a) Penstock
(b) Spillway
(c) Surge tank
(d) Economiser
Answer-D
19.Which of the following is used as moderator in nuclear power plants
(a) Sodium
(b) Graphics
(c) Heavy water
(d) Hydrogen
Answer-C
20.The moderator used in fast breeder reactor is
(a) Heavy water
(b) Graphite
(c) Ordinary water
(d) Any of the above
Answer-D
Power Plant Special MCQ Part 2
