MASS FLOW RATE OF ONE OF THE FLUIDS IS FAR GREATER OF THESE STATEME...
3. Mass flow rate of one of the fluids is far greater
Of
these
statements:
(a) 1 and 2 are correct
(b) 1 and 3 are correct
(c) 2 and 3 are correct
(d) 1, 2 and 3 are correct
IES-7.
Which one of the following diagrams correctly shows the temperature
distribution for a gas-to-gas counterflow heat exchanger?
[IES-1994; 1997]
IES-8.
Match List-I with List-II and select the correct answer using the codes
given below the lists:
[IES-1995]
List-I
List-II
A. Regenerative heat exchanger
1. Water cooling tower
B. Direct contact heat exchanger
2. Lungstrom air heater
C. Conduction through a cylindrical wall
3. Hyperbolic curve
D. Conduction through a spherical wall
4. Logarithmic curve
Codes:
A
B
C
D
A
B
C
D
(a)
1
4
2
3
(b)
3
1
4
2
(c)
2
1
3
4
(d)
2
1
4
3
IES-9.
Match List-I (Application) with List-II (Type of heat exchanger) and
select the correct answer using the code given below the lists:[IES-2008]
List-I
List-II
A. Gas to liquid
1. Compact
B. Space vehicle
2. Shell and Tube
C. Condenser
3. Finned tube
D. Air pre-heater
4. Regenerative
Codes: A
B
C
D
A
B
C
D
(a)
2
4
3
1
(b)
3
1
2
4
(c)
2
1
3
4
(d)
3
4
2
1
IES-10. Match List-I with List-II and select the correct answer
[IES-1994]
A. Number of transfer units
1. Recuperative type heat exchanger
B.
Periodic flow heat exchanger
2. Regenerator type heat exchanger
Page 65 of 97
C. Chemical additive
3. A measure of the heat exchanger
size
D. Deposition on heat exchanger surface
4. Prolongs drop-wise condensation