Deaerator MCQs : Here you will find MCQ Questions related to "Deaerator" in Power Plant. These Deaerator MCQ Questions Will help you to improve your Power Plant knowledge and will prepare you for various Examinations like Competitive Exams, Placements, Interviews and other Entrance Exmaniations.
Question 1
A _______________ is a device that removes oxygen and other dissolved gases from liquids and pumpable compounds
A. regeneration
B. cogeneration
C. deaerator
D. None of the above
Question 2
The spray & tray-type also called the ?
A. linear-type
B. cascade-type
C. complex-type
D. All of the above
Question 3
Thermal deaerators are commonly used to remove dissolved gases in feedwater for steam-generating boilers.
A. TRUE
B. FALSE
C. Can be true and false
D. Can not say
Question 4
Which chemicals are very often added to the deaerated boiler feedwater to remove any last traces of oxygen that were not removed by the deaerator?
A. Water scavenging
B. Oxygen scavenging
C. Hydrogen scavenging
D. Sodium scavenging
Question 5
Which deaerators are also used to remove dissolved gases from products?
A. Spray-type deaerator
B. Thermal deaerators
C. Dynamic deaerator
D. Vacuum deaerator
Question 6
Deaerator is an ___________
A. closed heater
B. surface heater
C. open heater
D. None of the above
Question 7
What do you mean by vent condenser?
A. a condensing unit
B. a temperature measuring instrument
C. dissolves oxygen
D. a heat exchanger
Question 8
Which of the following type heater is known as deaerator?
A. Contact-type closed heater
B. Contact-type open heater
C. Closed heater
D. None of the above
Question 9
The heat exchanger after passing through which, the feedwater is sprayed from the top is called?
A. Vent evaporator
B. Vent economiser
C. Vent condenser
D. Vent heater
Question 10
Cochrane and Permutit are two of the oldest Deaerator Manufacturers in the USA
A. TRUE
B. FALSE
C. Can be true and false
D. Can not say