MCQOPTIONS
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MCQOPTIONS
This section includes 15 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. |
WHICH_WINDING_IS_MOSTLY_USED_WINDING_IN_THE_SINGLE_PHASE_INDUCTION_MOTOR??$ |
| A. | circular winding |
| B. | concentric winding |
| C. | progressive winding |
| D. | skein winding |
| Answer» C. progressive winding | |
| 2. |
What material is used in the tunnel of the rotor of the single phase induction motor?$ |
| A. | aluminium |
| B. | copper |
| C. | steel |
| D. | wood |
| Answer» B. copper | |
| 3. |
What is/are the advantages of the skein winding?$ |
| A. | low cost to wind |
| B. | low cost to insert |
| C. | permits some freedom of choice of distribution |
| D. | low cost to wind, low cost to insert, permits some freedom of choice of distribution |
| Answer» E. | |
| 4. |
What is the range of the power factor of electrolytic capacitors? |
| A. | 2-4 |
| B. | 4-6 |
| C. | 6-8 |
| D. | 7-9 |
| Answer» D. 7-9 | |
| 5. |
The electrolytic capacitor and insulator unit is impregnated using ethylene glycol or a derivative? |
| A. | true |
| B. | false |
| Answer» B. false | |
| 6. |
The ac electrolytic capacitor is formed by winding two sheets of etched aluminium foil? |
| A. | true |
| B. | false |
| Answer» B. false | |
| 7. |
What type of operations are used in the starting switches? |
| A. | mechanical operation |
| B. | electrical operation |
| C. | centrifugal operation and mechanical operation |
| D. | centrifugal operation |
| Answer» D. centrifugal operation | |
| 8. |
What kind of motor employs the skein winding made use of? |
| A. | maximum horse power single phase induction motor |
| B. | fractional horse power single phase induction motor |
| C. | minimum horse power single phase induction motor |
| D. | zero horse power single phase induction motor |
| Answer» C. minimum horse power single phase induction motor | |
| 9. |
When is the skein winding made use of? |
| A. | when small amount of relatively small size wire is used |
| B. | when large amount of relatively small size wire is used |
| C. | when large amount of relatively large size wire is used |
| D. | when small amount of relatively large size wire is used |
| Answer» B. when large amount of relatively small size wire is used | |
| 10. |
What is the form of the progressive windings? |
| A. | double layer diamond coil windings |
| B. | single layer diamond coil windings |
| C. | multi layer diamond coil windings |
| D. | three layer diamond coil windings |
| Answer» C. multi layer diamond coil windings | |
| 11. |
How are the poles and pitches in the concentric windings? |
| A. | single pole, different pitches |
| B. | different pole, different pitches |
| C. | different pole, single pitch |
| D. | single pole, single pitch |
| Answer» B. different pole, different pitches | |
| 12. |
How many kinds of single phase windings are present? |
| A. | 2 |
| B. | 3 |
| C. | 4 |
| D. | 5 |
| Answer» C. 4 | |
| 13. |
What type of coils are used for winding the single phase induction motor generally? |
| A. | rectangular coils |
| B. | square coils |
| C. | cruciform coils |
| D. | circular coils |
| Answer» E. | |
| 14. |
What is the lamination used for the stator? |
| A. | cast iron |
| B. | die cast aluminium alloy frame |
| C. | cast iron or die cast aluminium alloy frame |
| D. | cast iron and die cast aluminium alloy frame |
| Answer» D. cast iron and die cast aluminium alloy frame | |
| 15. |
How many steps are involved in the construction of single phase induction motor? |
| A. | 3 |
| B. | 4 |
| C. | 5 |
| D. | 6 |
| Answer» D. 6 | |