Mcq on steam condenser

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Mcq on steam condenser
Mcq on steam condenser

Objective questions (MCQ) on steam condenser:-

1. Which of the following is the function of condenser in thermal power plant.
A. To receive steam from turbine
B. To create vacuum
C. To Condense steam
D. All of the above

Answer:- D


2. In a steam condenser which material is used for pipe.
A. Aluminum
B. Steel
C. Admiralty brass
D. Cast iron

Answer:- C


3. Which of the following is not a type of condenser.
A. Surface condenser
B. Water condenser
C. Evaporative condenser
D. Jet condenser

Answer:- B


4. The vacuum in a condenser is depends on which of the following factor..
A. Capacity of the ejector
B.Quantity of steam handle
C. Typeof condenser used
D.Temperature of cooling water

Answer:- D

5. In steam condenser the ratio of actual vacuum to the ideal vacuum is called.. 
A. Boiler efficiency
B. Vacuum efficiency
C. Condenser efficiency
D. Nozzle efficiency

Answer:- B

6. The condenser used to condense the steam which is out from...
A. Turbine
B. Nozzle
C. Economizer
D. Boiler

Answer:- A


7. In a steam power plant the water is used To cool the...
A. Boiler tube 
B. Condenser 
C. Turbine blades
D. All of these above 

Answer:- B


8. In steam power plant the steam condenser is used....
A. For reduce the back pressure of steam
B. To increase the expansion ratio
C. To reduce the temperature of the expansion steam
D. All of the above

Answer:- D


9. Surface condenser is one of the type of condenser.
A. True
B. False

Answer:- A


10. Which of the following device is not used in a steam condenser.
A. Air extraction pump
B. Condenser
C. Condensed pump
D. Nozzle

Answer:- D


10. Evaporative condenser is one of the type of condenser.
A. True
B. False

Answer:- A

11. In a condenser, the actual vacuum is equal to which of the following...

A. Gauge pressure - atmospheric pressure 
B. Gauge pressure + atmospheric pressure 
C. Barometric pressure - actual pressure 
D. Barometric pressure + actual pressure

Answer:- C


12. Pressure in the condenser is less than the atmospheric pressure.
A. True
B. False

Answer:- A


13. The Cooling capacity of surface condenser is more than the jet condenser.
A. True
B. False

Answer:- A


14. In a steam condenser the Cooling capacity of jet condenser is...
A. More than surface condenser 
B. Less than the surface condenser 
C. Equal to surface condenser 
D. None of these 

Answer:- B

15. For same cooling capacity, more water is required for which of the following condenser.
A. Jet condenser
B. Surface condenser
C. Evaporative condenser
D. None of the above

Answer:- B

16. In a surface condenser the steam and cooling water is mixed.
A. True
B. False

Answer:- B

17. Jet condenser having small cross sectional area than surface condenser.
A. True
B. False

Answer:- A


18. Which of the following is true about the jet condenser.
A. Steam flow through tube and the water is flowing outside 
B. Water flow through tube and steam is flowing outside
C. Both water and steam flowing inside the tube
D. None of the above

Answer:- A


19. Which of the following is true about the surface condenser.
A. Steam flow through tube and the water is flowing outside 
B. Water flow through tube and steam is flowing outside
C. Both water and steam flowing inside the tube
D. None of the above

Answer:- B
20. For high capacity of power plant which of the following condenser is used.
A. Jet condenser
B. Surface condenser
C. Evaporative condenser
D. None of the above

Answer:- B

21. Jet condenser is used for high capacity power plant.
A. True
B. False

Answer:- B

22. Stainless steel is used as a material for pipe in condenser.
A. True
B. False

Answer:- B

23. Steam condenser is used to convert the steam into water
A. True
B. False

Answer:- A

24. Vacuum pressure is also called as...

A. Gauge pressure
B. Absolute pressure
C. Sub atmospheric pressure
D. High altitude pressure
Answer:- C

25. Discharging condensate into the hot well that will improves plant efficiency.
A. True
B. False
Answer:- A

26. Jet condenser and surface condenser is a main type of steam condenser.
A. True
B. False
Answer:- A

27. In jet condensers, the cooling water is sprayed on the exhaust steam. 
A. True 
B. False


Answer:- A


28. Closed vessel made of steel and used for generation of steam is called as
A. Steam boiler 
B. Steam turbine 
C. Steam condenser 
D. Steam ejector


Answer:- A


29. A condenser where circulating water flows through tube which are surrounded by steam is called as.
A. Jet condenser
B. Surface condenser
C. Evaporative condenser
D. None of the above

Answer:- B

30. A condenser where circulating steam flows inside tube and water is surrounded outside is called as..
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