CUET-PG SERIES Chemical-thermal-and-polymer-engineering
Heat Transfer
7 previous year questions.
Volume: 7 Ques
Yield: Medium
High-Yield Trend
7
2024 Chapter Questions 7 MCQs
01
PYQ 2024
medium
chemical-thermal-and-polymer-engineering ID: cuet-pg-
Higher holdup of solids in the rotary dryer results in:
1
Increased kiln action, decreased kiln action, poor exposure of the solid to the gas, and an increase in power required for operating the dryer
2
Increased kiln action and decreased kiln action
3
Increased kiln action and an increase in power required for operating the dryer
4
Increased kiln action, poor exposure of the solid to the gas, and an increase in power required for operating the dryer
02
PYQ 2024
medium
chemical-thermal-and-polymer-engineering ID: cuet-pg-
Heat transfer takes place according to:
1
Zeroth law of thermodynamics
2
First law of thermodynamics
3
Second law of thermodynamics
4
Third law of thermodynamics
03
PYQ 2024
medium
chemical-thermal-and-polymer-engineering ID: cuet-pg-
Match List I with List II:
| List I (Dimensionless Quantity) | List II (Application) |
| (A) Number of transfer units | (I) Recuperative type heat exchangers |
| (B) Periodic flow heat | (II) Regenerative type heat exchangers |
| (C) Chemical additive | (III) A measure of heat exchanger size |
| (D) Deposition heat exchanger | (IV) Prolongs dropwise condensation surface |
| (V) Fouling factor |
1
(A)-(I), (B)-(II), (C)-(V), (D)-(IV)
2
(A)-(III), (B)-(I), (C)-(IV), (D)-(V)
3
(A)-(I), (B)-(II), (C)-(IV), (D)-(V)
4
(A)-(I), (B)-(I), (C)-(III), (D)-(IV)
04
PYQ 2024
medium
chemical-thermal-and-polymer-engineering ID: cuet-pg-
When a longitudinal baffle is placed across the shell, the shell-side fluid is forced to pass through the heat exchanger:
1
Once
2
Twice
3
Thrice
4
Four times
05
PYQ 2024
medium
chemical-thermal-and-polymer-engineering ID: cuet-pg-
For the same process temperatures, the ratio of the LMTD in parallel flow to the LMTD in counter-current flow in a liquid-liquid heat exchanger is always:
1
1
2
3
4
Infinity
06
PYQ 2024
medium
chemical-thermal-and-polymer-engineering ID: cuet-pg-
For laminar film condensation, what is the ratio of heat transfer to a horizontal tube of large diameter to that of a vertical tube of the same size for the same temperature difference?
1
2
3
4
07
PYQ 2024
medium
chemical-thermal-and-polymer-engineering ID: cuet-pg-
The maximum heat loss from a pipe occurs when the critical radius equals:
1
The ratio of the surface coefficient of heat transfer to the thermal conductivity of the insulation
2
The ratio of the thermal conductivity of the insulation to the surface coefficient of heat transfer
3
The product of thermal conductivity of the insulation and the surface coefficient of heat transfer
4
The radius of the pipe