Engineering Thermodynamics MCQs

368 questionsMechanical-EngineeringPage 27 of 41

Practice free Engineering Thermodynamics multiple-choice questions with instant answer feedback and step-by-step solutions. Click an option to check yourself, reveal the full explanation, and work through all 368 questions — no login required.

Question 235medium
If a system after undergoing a series of processes, returns to the initial state then
Question 236hard
The value of one bar (in S. I. units) is equal to
Question 237hard
The property of a working substance which increases or decreases as the heat is supplied or removed in a reversible manner, is known as
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Question 238medium
Which of the following is a reversible non-flow process?
Question 239medium
The thermodynamic difference between a Rankine cycle working with saturated steam and the Carnot cycle is that
Question 240hard
A process, in which the gas is heated or expanded in such a way that the product of its pressure and volume remains constant, is called
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Question 241hard
The ratio of specific heat at constant pressure (cp) and specific heat at constant volume (cv) is
Question 242medium
The principal constituents of a fuel are
Question 243medium
The compression ratio is the ratio of
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