This question was asked inGPSC AE (Electrical) Class-2 R&B Department Paper 2025 – Series MQuestion 123 of 179 published · Gujarat Public Service CommissionOpen paper
Q243EasyPower Generation

Which of the following is NOT a type of fuel used in a steam power plant?

Answer & step-by-step solution
Correct answer: C. Uranium
Quick explanation

Uranium is not a combustion fuel for a conventional steam power plant; it is nuclear fuel used in a reactor to produce heat through fission. Coal, natural gas and oil can all be burned in thermal/steam plants.

Concept & Reasoning

Both conventional fossil thermal plants and nuclear plants ultimately may use steam turbines, but the heat source differs. In a conventional steam power plant, chemical combustion supplies heat. In a nuclear station, a reactor replaces the furnace/boiler combustion heat source.

How to Solve It in the Exam

Steam turbine does not automatically mean 'steam power plant' uses every heat source as fuel.

Important Exam Point

Interpret the conventional plant context in the options.

Quick Trick

Steam turbine does not automatically mean 'steam power plant' uses every heat source as fuel.

Common Mistake

Choosing natural gas because combined-cycle plants also use gas turbines; gas can still raise steam in boilers/HRSG systems.

Solution diagram – Which of the following is NOT a type of fuel used in a steam power plant?
Exam tipInterpret the conventional plant context in the options.
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