Explore topic-wise MCQs in Energy Engineering.

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