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This section includes 6 Mcqs, each offering curated multiple-choice questions to sharpen your Power Plant knowledge and support exam preparation. Choose a topic below to get started.
1. |
Fire tube boilers are ___________ |
A. | internally fired |
B. | externally fired |
C. | both internally as well as externally fired |
D. | none of the mentioned |
Answer» B. externally fired | |
2. |
A safety valve usually employed with stationary boilers is ___________ |
A. | high steam and low water safety valve |
B. | dead weight safety valve |
C. | lever safety valve |
D. | all of the mentioned |
Answer» E. | |
3. |
A device used to increase the temperature of saturated steam without raising its pressure is called? |
A. | fusible plug |
B. | blow off cork |
C. | super heater |
D. | stop valve |
Answer» D. stop valve | |
4. |
The cylinder dimensions of a compound engine may be designed on the basis of ___________ |
A. | equal initial piston loads on all pistons for obtaining same size of piston rod, connecting rod etc. for all cylinders |
B. | equal power developed in each cylinder for uniform turning moment |
C. | equal temperature drop in each cylinder for economy of steam |
D. | all of the mentioned |
Answer» E. | |
5. |
What is the function of a piston rod? |
A. | to transfer motion from the piston to the cross head |
B. | to convert heat energy of the steam into mechanical work |
C. | to guide motion of the piston rod and to prevent it from bending |
D. | to exhaust steam from the cylinder at proper moment |
Answer» B. to convert heat energy of the steam into mechanical work | |
6. |
The object of producing draught in a boiler is ___________ |
A. | to provide an adequate supply of air for the fuel combustion |
B. | to exhaust the gases of combustion from the combustion chamber |
C. | to discharge the gases of combustion to the atmosphere through the chimney |
D. | all of the mentioned |
Answer» E. | |