Explore topic-wise MCQs in Power Plant.

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.

The relation between the steam rate of ideal regenerative cycle & steam rate of rankine cycle is?

A. steam rate of ideal regenerative cycle = steam rate of rankine cycle
B. steam rate of ideal regenerative cycle > steam rate of rankine cycle
C. steam rate of ideal regenerative cycle < steam rate of rankine cycle
D. no relation
Answer» C. steam rate of ideal regenerative cycle < steam rate of rankine cycle
Discussion
2.

What is the relation between efficiencies of Carnot cycle & the ideal Sterling Engine?

A. Both are equal
B. Carnot cycle efficiency > Efficiency of Sterling Engine
C. Carnot cycle efficiency < Efficiency of Sterling Engine
D. No relation between Carnot cycle efficiency & efficiency of Sterling Engine
Answer» B. Carnot cycle efficiency > Efficiency of Sterling Engine
Discussion
3.

The product of cycle efficiency & heat input is given by which of the following relations?

A. W<sub>t</sub> W<sub>P</sub>
B. W<sub>t</sub> x W<sub>P</sub>
C. W<sub>t</sub> / W<sub>P</sub>
D. none of the mentioned
Answer» B. W<sub>t</sub> x W<sub>P</sub>
Discussion
4.

The product of Steam rate &amp; the difference of work done between turbine &amp; pump, when the steam rate is expressed in kg/kWh is equal to?

A. 36
B. 60
C. 360
D. 3600
Answer» E.
Discussion
5.

What is the relation between energy gain of feedwater &amp; energy given off by vapour in condensation?

A. energy gain of feedwater &gt; energy given off by vapour in condensation
B. energy gain of feedwater &lt; energy given off by vapour in condensation
C. energy gain of feedwater = energy given off by vapour in condensation
D. none of the mentioned
Answer» D. none of the mentioned
Discussion
6.

When is the relation between mean temperature of heat addition (T) with regeneration &amp; without regeneration?

A. (T<sub>ml</sub>)<sub>with regeneration</sub> is independent of (T<sub>ml</sub>)<sub>without regeneration</sub>
B. (T<sub>ml</sub>)<sub>with regeneration</sub> &gt; (T<sub>ml</sub>)<sub>without regeneration</sub>
C. (T<sub>ml</sub>)<sub>with regeneration</sub> &lt; (T<sub>ml</sub>)<sub>without regeneration</sub>
D. (T<sub>ml</sub>)<sub>with regeneration</sub> = (T<sub>ml</sub>)<sub>without regeneration</sub>
Answer» C. (T<sub>ml</sub>)<sub>with regeneration</sub> &lt; (T<sub>ml</sub>)<sub>without regeneration</sub>
Discussion