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Heat Transfer
Conduction
Marks 1Marks 2Marks 5
Fin Design and Transient Heat Conduction
Marks 1Marks 2Marks 5
Convection
Marks 1Marks 2
Radiation
Marks 1Marks 2Marks 5
Heat Exchangers
Marks 1Marks 2Marks 5
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1
GATE ME 2012
MCQ (Single Correct Answer)
+1
-0.3
Which one of the following configurations has the highest fin effectiveness?
A
Thin, closely spaced fins
B
Thin, widely spaced fins
C
Thick, widely spaced fins
D
Thick, closely spaced fins
2
GATE ME 2002
MCQ (Single Correct Answer)
+1
-0.3
The value of Biot number is very small (less than $$0.1$$), when
A
The convective resistance of the fluid is negligible
B
The conductive resistance of the fluid is negligible
C
The conductive resistance of the solid is negligible
D
None of these
3
GATE ME 2001
MCQ (Single Correct Answer)
+1
-0.3
Lumped heat transfer analysis of a solid object suddenly exposed to a fluid medium at a different temp is valid when.
A
Biot number $$< 0.1$$
B
Biot number $$> 0.1$$
C
Fourier number $$< 0.1$$
D
Fourier number $$> 0.1$$
4
GATE ME 1994
True or False
+1
-0
When the fluid velocity is doubled the thermal time constant of a thermometer used for measuring the fluid temperature reduces by a factor of $$2$$
A
TRUE
B
FALSE
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Questions Asked from Marks 1
GATE ME 2017 Set 2 (1) GATE ME 2014 Set 2 (1) GATE ME 2012 (1) GATE ME 2002 (1) GATE ME 2001 (1) GATE ME 1994 (1) GATE ME 1991 (1) GATE ME 1989 (1)
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