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This section includes 17 Mcqs, each offering curated multiple-choice questions to sharpen your Energy Engineering knowledge and support exam preparation. Choose a topic below to get started.
1. |
How is heat loss over come in liquid plate collectors? |
A. | By insulation |
B. | By casing |
C. | By the transparent cover |
D. | From provided tubes |
Answer» B. By casing | |
2. |
In which type of absorber plate is the overall flow direction is along the absorber glass plate? |
A. | Overlapped glass absorber |
B. | Finned absorber |
C. | Non-porous absorber plate |
D. | Porous absorber plate |
Answer» B. Finned absorber | |
3. |
Which type of absorber increases the heat transfer area over a simple flat plate absorber of the same capacity? |
A. | Porous absorber plate |
B. | Non-porous absorber plate |
C. | Over lapped glass absorber |
D. | Finned absorber |
Answer» E. | |
4. |
In which absorber matrix material is arranged and the back absorber plate is eliminated? |
A. | Porous absorber plate |
B. | Non-porous absorber plate |
C. | Over lapped glass absorber |
D. | Finned absorber |
Answer» B. Non-porous absorber plate | |
5. |
_______ is a glazing which limits the radiation and convection heat losses. |
A. | Absorber plate |
B. | Selective surface |
C. | Insulation |
D. | Transparent cover |
Answer» E. | |
6. |
IN_WHICH_ABSORBER_MATRIX_MATERIAL_IS_ARRANGED_AND_THE_BACK_ABSORBER_PLATE_IS_ELIMINATED??$ |
A. | Porous absorber plate |
B. | Non-porous absorber plate |
C. | Over lapped glass absorber |
D. | Finned absorber |
Answer» B. Non-porous absorber plate | |
7. |
In which type of absorber plate is the overall flow direction is along the absorber glass plate?$ |
A. | Overlapped glass absorber |
B. | Finned absorber |
C. | Non-porous absorber plate |
D. | Porous absorber plate |
Answer» B. Finned absorber | |
8. |
Which_type_of_absorber_increases_the_heat_transfer_area_over_a_simple_flat_plate_absorber_of_the_same_capacity?$ |
A. | Porous absorber plate |
B. | Non-porous absorber plate |
C. | Over lapped glass absorber |
D. | Finned absorber |
Answer» E. | |
9. |
How_is_heat_loss_over_come_in_liquid_plate_collectors? |
A. | By insulation |
B. | By casing |
C. | By the transparent cover |
D. | From provided tubes |
Answer» B. By casing | |
10. |
In which collector does air flow without any obstruction? |
A. | Porous absorber plate |
B. | Non-porous absorber plate |
C. | Over lapped glass absorber |
D. | Finned absorber |
Answer» C. Over lapped glass absorber | |
11. |
The frame which contains all the parts is called __________ |
A. | box |
B. | plate |
C. | enclose |
D. | container |
Answer» E. | |
12. |
Which part of flat plate collectors is coated in black? |
A. | Transparent cover |
B. | Absorber plate |
C. | Insulation |
D. | Fins |
Answer» C. Insulation | |
13. |
What are provided to minimize heat loss? |
A. | Absorber plate |
B. | Surface plate |
C. | Insulation |
D. | Casing |
Answer» D. Casing | |
14. |
_______is a glazing which limits the radiation and convection heat losses. |
A. | Absorber plate |
B. | Selective surface |
C. | Insulation |
D. | Transparent cover |
Answer» E. | |
15. |
Liquid heating collectors are mainly used for _________ |
A. | heating water |
B. | generating electricity |
C. | cooking |
D. | trapping sunlight |
Answer» B. generating electricity | |
16. |
For what purpose are Gas heating collectors used? |
A. | To trap solar radiance |
B. | To act as a medium to help in conversion of sunlight to electrical energy |
C. | Employed as solar air heaters |
D. | They act as alternate panels in case of failure |
Answer» D. They act as alternate panels in case of failure | |
17. |
To how many types are flat plate collectors divided depending on type of heat transfer fluid? |
A. | 2 |
B. | 3 |
C. | 4 |
D. | 5 |
Answer» B. 3 | |