Boiler Operation Engineer Previous year Questions With Answer Set - 39
1. Which of the following statements about feed check valve is FALSE?
a) It controls the flow of water
b) It only allows flow of water in one direction
c) It is fitted on top of the boiler shell
d) It consists of check valve which automatically moves up and down under pressure of water
Ans. c
2. The part of the feed check valve which moves up and down automatically under the pressure of water on its gun metal seat is called _____
a) Check valve
b) Fusible plug
c) Flange
d) Safety valve
Ans. a
3. What is the function of a feed check valve?
a) It regulates the flow of hot gases from the fire-box
b) It controls the flow of air to the combustion chamber
c) It controls the supply of steam outside the boiler
d) It controls the supply of water to boiler
Ans. d
4. In a fusible plug, the substance that melts when it comes in contact with the steam is called _____
a) Melt
b) Meting wax
c) Fusible metal
d) Fusible wax
Ans. c
5. Which of the following statements about blow-off cock is FALSE?
a) It is used to discharge the mud that has settled at the bottom
b) It is used to empty the boiler for cleaning
c) Scale and sediments are also removed when the blow-off cock is opened
d) It is used to fill the boiler with water
Ans. d
6. Boiler Accessories increase efficiency of the steam boilers.
a) True
b) False
Ans. a
7. Which of the following is NOT a boiler accessory?
a) Feed pump
b) Steam trap
c) Steam separator
d) Mud hole (sight hole)
Ans. d
8. Which of the following statements about feed pump is TRUE?
a) It is used to deliver feed water to the boiler
b) It is used to take out steam from the boiler
c) It is a boiler mounting
d) It delivers air to the combustion chamber
Ans. a
9. The rotating element of the rotary feed pump is called _____
a) impeller
b) propeller
c) armature
d) propulsor
Ans. a
10. Which of the following statements about reciprocating feed pumps is FALSE?
a) Water is discharged in alternate strokes in single acting pump
b) Water is discharged in each stroke in double acting pump
c) They are supplied steam from the boiler itself
d) In double acting pump water us displaced by only one side of the piston
Ans. d
Boiler Objectives Questions :
Boiler Inspector Exam - Previous years Questions With Answer Set
Boiler Operator Question Answer - Cochran Boiler
Power Plant Objective Question for SAIL Rourkela Boiler OCT Exam
NTPC Power Plant JE Previous Year Question Paper
Boiler Operation Manager Exam - Question Answer Model Paper
Read Boiler Interview Questions :
Most Important Steam Blowing Questions Asked In Central BOE Interview
How it is been decided that RHS or LHS safety valve of steam drum is set at higher pressure ?
Comments
Post a Comment