

MCQOPTIONS
Saved Bookmarks
This section includes 17 Mcqs, each offering curated multiple-choice questions to sharpen your Design Electrical Machines knowledge and support exam preparation. Choose a topic below to get started.
1. |
To reduce the peak voltage between layers, the secondary winding is being sectionalized. |
A. | true |
B. | false |
Answer» B. false | |
2. |
What is the insulation material on the primary conductor? |
A. | bakelized paper tube |
B. | resin |
C. | bakelized paper tube and resin |
D. | bakelized paper tube or resin |
Answer» E. | |
3. |
The current transformers are assembled on to the secondary conductors “on site” for either permanent or temporary duty. |
A. | true |
B. | false |
Answer» C. | |
4. |
How many faces are present in the split core current transformer? |
A. | 2 |
B. | 3 |
C. | 4 |
D. | 5 |
Answer» B. 3 | |
5. |
What is the bar type current transformer? |
A. | primary winding consists of a rod of suitable size and material |
B. | primary winding consists of a bar of suitable size and material |
C. | secondary winding consists of a rod of suitable size and material |
D. | secondary winding consists of a bar of suitable size and material |
Answer» C. secondary winding consists of a rod of suitable size and material | |
6. |
HOW_MANY_FACES_ARE_PRESENT_IN_THE_SPLIT_CORE_CURRENT_TRANSFORMER??$ |
A. | 2 |
B. | 3 |
C. | 4 |
D. | 5 |
Answer» B. 3 | |
7. |
What is the insulation material on the primary conductor?$ |
A. | bakelized paper tube |
B. | resin |
C. | bakelized paper tube and resin |
D. | bakelized paper tube or resin |
Answer» E. | |
8. |
The_current_transformers_are_assembled_on_to_the_secondary_conductors_“on_site”_for_either_permanent_or_temporary_duty?$# |
A. | true |
B. | false |
Answer» C. | |
9. |
To reduce the peak voltage between layers, the secondary winding is being sectionalized? |
A. | true |
B. | false |
Answer» B. false | |
10. |
How is the reluctance of the interleaved corner related with the magnetizing current? |
A. | reluctance of the interleaved corner is directly proportional to the magnetizing current |
B. | reluctance of the interleaved corner is indirectly proportional to the magnetizing current |
C. | reluctance of the interleaved corner is directly proportional to the square of the magnetizing current |
D. | reluctance of the interleaved corner is indirectly proportional to the square of the magnetizing current |
Answer» B. reluctance of the interleaved corner is indirectly proportional to the magnetizing current | |
11. |
What is the other name of the ring type current transformer? |
A. | brush transformer |
B. | cloud transformer |
C. | circular transformer |
D. | bushing transformer |
Answer» E. | |
12. |
What is the additional usage of the presspahn material used as insulation material? |
A. | lamination |
B. | to reduce the losses |
C. | to protect secondary winding conductor from mechanical damage |
D. | to protect secondary winding conductor from electrical damage |
Answer» D. to protect secondary winding conductor from electrical damage | |
13. |
What is the insulation material used in the current transformer? |
A. | elephantide |
B. | presspahn |
C. | elephantide and presspahn |
D. | elephantide or presspahn |
Answer» E. | |
14. |
What material is made use of for the lamination in the current transformer? |
A. | cold rolled steels |
B. | hot rolled steels |
C. | copper |
D. | hot iron |
Answer» C. copper | |
15. |
How many commonly used shapes of current transformer are present? |
A. | 1 |
B. | 2 |
C. | 3 |
D. | 4 |
Answer» D. 4 | |
16. |
What is the wound type current transformer? |
A. | primary winding having one full turn wound on core |
B. | primary winding having more than one full turn wound on core |
C. | secondary winding having one full turn wound on core |
D. | secondary winding having more than one full turn wound on core |
Answer» C. secondary winding having one full turn wound on core | |
17. |
How many types are the current transformers classified into? |
A. | 2 |
B. | 3 |
C. | 4 |
D. | 5 |
Answer» B. 3 | |