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
Second Law of Thermodynamics
Marks 1Marks 2
1
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
2
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
$$3.43$$
3
GATE ME 2003
MCQ (Single Correct Answer)
+1
-0.3
Considering the variation of static pressure and absolute velocity in an impulse stream turbine, across one row of moving blades
A
both pressure and velocity decrease
B
pressure decreases but velocity increases
C
pressure remains constant, while velocity increases
D
pressure remains constant, while velocity decreases
4
GATE ME 2003
MCQ (Single Correct Answer)
+1
-0.3
In a Rankine cycle, regeneration results in higher efficiency because
A
pressure inside the boiler increases
B
heat is added before steam enters the low pressure turbine
C
average temperature of heat addition in the boiler increases
D
total work delivered by the turbine increases
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