Electrical Engineering : Electric Traction QUESTIONS AND ANSWERS :: part2 : 1 to 5
Following Electrical Engineering Multiple choice objective type questions and answers will help you in BSNL JTO, GATE 2024 and IES 2024 examinations :
1.The value of co-efficient of adhesion will be high when rails are |
| greased |
| wet |
| sprayed with oil |
| cleaned with sand |
2.Series motor is not suited for traction duty due to which of the following account ? |
| Less current drain on the heavy load torque |
| Current surges after temporary switching off supply |
| Self relieving property |
| Commutating property at heavy load |
3.The specific energy consumption of a train depends on which of the following ? |
| Acceleration and retardation |
| Gradient |
| Distance covered |
| All of the above |
4.Due to which of the following co-efficient of adhesion improves ? |
| Rust on the rails |
| Dust on the rails |
| Sand on the rails |
| All of the above |
5.In main line service as compared to urban and suburban service |
| distance between the stops is more |
| maximum speed reached is high |
| acceleration and retardation rates are low |
| all of the above |
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