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Thermodynamics
Calculation of Work and Heat
Marks 1Marks 2
Entropy and Irreversibility
Marks 1Marks 2Marks 5
Properties of Pure Substances
Marks 1Marks 2
Basic Concepts and Zeroth Law
Marks 1Marks 2
First Law of Thermodynamics
Marks 1Marks 2Marks 5
Rankine Cycle
Marks 1Marks 2Marks 5
Availability
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Second Law of Thermodynamics
Marks 1Marks 2
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1
GATE ME 2024
MCQ (Single Correct Answer)
+1
-0.33

Which one of the following statements regarding a Rankine cycle is FALSE?

A

Superheating the steam in the boiler increases the cycle efficiency.

B

The pressure at the turbine outlet depends on the condenser temperature.

C

Cycle efficiency increases as condenser pressure decreases.

D

Cycle efficiency increases as boiler pressure decreases.

2
GATE ME 2016 Set 1
MCQ (Single Correct Answer)
+1
-0.3
The INCORRECT statement about regeneration in vapor power cycle is that
A
It increases the irreversibility by adding the liquid with higher energy content to the steam generator
B
Heat is exchanged between the expanding fluid in the turbine and the compressed fluid before heat addition
C
The principle is similar to the principle of Stirling gas cycle
D
It is practically implemented by providing feed water heaters
3
GATE ME 2015 Set 2
MCQ (Single Correct Answer)
+1
-0.3
Which of the following statements regarding a Rankine cycle with reheating are TRUE?
(i) increase in average temperature of heat addition
(ii) reduction in thermal efficiency
(iii) drier steam at the turbine exit
A
only (i) and (ii) are correct
B
only (ii) and (iii) are correct
C
only (i) and (iii) are correct
D
(i), (ii) and (iii) are correct
4
GATE ME 2014 Set 1
MCQ (Single Correct Answer)
+1
-0.3
In a power plant, water (density $$ = 1000\,\,kg/{m^3}$$ ) is pumped from $$80$$ $$kPa$$ to $$3$$ $$MPa$$. The pump has an isentropic efficiency of $$0.85.$$ Assuming that the temperature of the water remains the same, the specific work (in $$kJ/kg$$) supplied to the pump is
A
$$0.34$$
B
$$2.48$$
C
$$2.92$$
D
$$3.43$$
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Questions Asked from Marks 1
GATE ME 2024 (1) GATE ME 2016 Set 1 (1) GATE ME 2015 Set 2 (1) GATE ME 2014 Set 1 (1) GATE ME 2003 (2) GATE ME 2001 (1) GATE ME 2000 (1) GATE ME 1998 (2) GATE ME 1997 (1) GATE ME 1995 (2) GATE ME 1994 (2)
GATE ME Subjects
Engineering Mechanics
Machine Design
Strength of Materials
Heat Transfer
Production Engineering
Industrial Engineering
Turbo Machinery
Theory of Machines
Engineering Mathematics
Fluid Mechanics
Thermodynamics
General Aptitude