Explore topic-wise MCQs in Power Plant.

This section includes 8 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.

WHICH_OF_THESE_IS_NOT_A_TYPE_OF_DRIVE_OF_VARIABLE_SPEED_CONTROL??$

A. variable speed turbine
B. hydraulic coupling
C. multiple speed ac motor
D. electronically adjustable turbine drive
Answer» E.
Discussion
2.

Which of the following types of the fans has the highest cost?

A. centrifugal fans
B. axial fans
C. primary fans
D. gas recirculation fans
Answer» C. primary fans
Discussion
3.

In a furnace employing forced draught compared to induced draught

A. the fan operates hot and hence blades are liable to corrosion and erosion
B. positive pressure exists in the furnace
C. air is sucked in, so air leaks are more and hence furnace efficiency is reduced
D. none of the mentioned
Answer» D. none of the mentioned
Discussion
4.

Natural draught produced by a chimney depends upon

A. density of chimney gases
B. height of chimney
C. both ‘a’ and ‘b’
D. none of the mentioned
Answer» D. none of the mentioned
Discussion
5.

Which of these accentuates clinkering trouble on furnace grate burning coal?

A. low reactivity of carbonised residue containing high proportions of iron and sulphur
B. low forced draught and low fuel bed temperature
C. thick fire bed and preheated primary air
D. all of the mentioned
Answer» E.
Discussion
6.

Which of these is not a type of mechanical draft system for a furnace?

A. balanced draft
B. induced draft
C. forced draft
D. actuated draft
Answer» E.
Discussion
7.

The draught or pressure difference for a chimney of height of H metres is given by

A. Δp=gH(ρa-ρg)
B. Δp=gH(ρg-ρa)
C. Δp=gHρg
D. Δp=gH(ρa+ρg)
Answer» B. ‚âà√≠‚àö√Üp=gH(‚âà√¨‚àö√ñg-‚âà√¨‚àö√ña)
Discussion
8.

Which of these terms defines the pressure difference in the furnace?

A. draught
B. duct
C. stack
D. chimney
Answer» B. duct
Discussion