1. Which one of the vertical boiler
(A) Both a and b
(B) Babcock and Wilcox boiler
(C) Cochran
(D) None of these
2. Economizer of boiler is fitted
(A) After super heater
(B) After air pre-heater
(C) After steam space
(D) None of these
3. A platform, consisting of cast iron bars spaced apart, upon which fuel is burnt is called
(A) Boiler shell
(B) Furnace
(C) Grate
(D) Combustion chamber
4. A device used in boiler to control the flow of steam from the boiler to the main pipe and to shut off the steam completely when required is known as
(A) Stop valve
(B) Fusible plug
(C) Blow off cock
(D) Economizer
5. Water tube boiler produce steam at a … pressure than that of fire tube boiler
(A) Lower
(B) Same
(C) Higher
(D) None of these
6. A device used to heat the feed water by the heat of exhaust gases is called
(A) Super heater
(B) Blow-off Cock
(C) Economizer
(D) Stop valve
7. A device used to heat the air entering the boiler by the heat of exhaust gases is called
(A) Super heater
(B) Economizer
(C) Air pre-heater
(D) Stop valve
8. Water tubes in a simple vertical boiler are
(A) Vertical
(B) Horizontal
(C) Inclined
(D) None of these
9. Which of the following is a boiler accessory?
(A) Pressure Gauge
(B) Stop valve
(C) Blow-off cock
(D) Economizer
10. Which of the following is boiler mounting?
(A) Economizer
(B) Air pre-heater
(C) Pressure gauge
(D) Feed pump
11. In a fire tube boiler … flows through the tubes
(A) Flue gases
(B) Water
(C) Steam
(D) Air
12. Cochran boiler is a … tube boiler
(A) Fire
(B) Smoke
(C) Water
(D) Single
13. Water level indicator is a boiler …
(A) Attachment
(B) Mounting
(C) Accessory
(D) Assembly
14. Simple vertical boiler is a … tube boiler
(A) Multi
(B) Smoke
(C) Fire
(D) Water
15. … a Water tube boiler
(A) Babcock and Wilcox
(B) Cochran
(C) Simple vertical boiler
(D) Both a and b
16. Super heater is an … of a boiler
(A) Accessory
(B) Attachment
(C) Mounting
(D) Assembly
17. Blow off cock is a boiler’s …
(A) Accessory
(B) Attachment
(C) Mounting
(D) Assembly
18. A device used for raising the pressure of feed water is called
(A) Pressure gauge
(B) Air pre-heater
(C) Economizer
(D) Feed pump
19. The diameter of fire tubes in Cochran boiler is
(A) 62.5 mm
(B) 6.25 mm
(C) 72.5 mm
(D) 92.5 mm
20. The number of fire tubes in a Cochran boiler
(A) 165
(B) 115
(C) 75
(D) 225