MCQOPTIONS
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MCQOPTIONS
This section includes 210 Mcqs, each offering curated multiple-choice questions to sharpen your Electrical Engineering Questions knowledge and support exam preparation. Choose a topic below to get started.
| 201. |
At what rated voltage is the shielded cable provided in a low voltage system? |
| A. | Rated voltage < 1kV |
| B. | Rated voltage < 500V |
| C. | Rated voltage > 1 kV |
| D. | Any of these |
| Answer» B. Rated voltage < 500V | |
| 202. |
At what percentage of the rated speed is the starting winding of a capacitor start induction disconnected with the help of a centrifugal switch? |
| A. | 50 % of the rated speed |
| B. | 70 % of the rated speed |
| C. | 25 % of the rated speed |
| D. | 5 % of the rated speed |
| Answer» C. 25 % of the rated speed | |
| 203. |
At what location are the shunt capacitors installed for voltages above 33 kV and above? |
| A. | Are located near the motors |
| B. | Are installed in distribution substations |
| C. | Both (A) and (B) |
| D. | None of these |
| Answer» C. Both (A) and (B) | |
| 204. |
At what level is the load shedding carried out? |
| A. | Distribution level |
| B. | Transmission level |
| C. | Both (A) and (B) |
| D. | Depending upon the load |
| Answer» B. Transmission level | |
| 205. |
At what condition does the corona start, if Es is the electrical stress and Ecr is the critical voltage? |
| A. | Es > Ecr |
| B. | Es = Ecr |
| C. | Es < Ecr |
| D. | Es << Ecr |
| Answer» B. Es = Ecr | |
| 206. |
At what angle difference is the main winding and the start winding separated in a spilt phase capacitor start induction motor? |
| A. | 45° electrical |
| B. | 90° electrical |
| C. | 45° mechanical |
| D. | 90° mechanical |
| Answer» C. 45° mechanical | |
| 207. |
Arrange these in the correct order of the sequence for designing the tower? i. Design data ii. Prototype manufacture iii. Providing tests iv. Preliminary design v. Final design vi. Earlier experience |
| A. | vi – i – iv – v – ii – iii |
| B. | vi – i – iv – ii – iii – v |
| C. | i – vi – iv – v – ii – iii |
| D. | i – iv – iv – ii – iii – v |
| Answer» C. i – vi – iv – v – ii – iii | |
| 208. |
Arrange the following according to the starting procedure of a synchronous Generator? i. Start turbine auxiliaries ii. Start boiler iii. Roll the turbine iv. Start the boiler auxiliaries v. Keep the units as a spinning reserve |
| A. | i, iii, v, iv, ii |
| B. | i, iv, ii, iii, v |
| C. | iv, i, ii, iii, v |
| D. | iii, i, v, iv, ii |
| Answer» D. iii, i, v, iv, ii | |
| 209. |
Above what ratings is it necessary to fix separate heat exchangers on the machines? |
| A. | Above 500 kW |
| B. | Above 300 kW |
| C. | Above 100 kW |
| D. | Above 1000 kW |
| Answer» C. Above 100 kW | |
| 210. |
A primary cell is chemically _____________________. |
| A. | Irreversible |
| B. | Reversible |
| C. | Reversible only once |
| D. | Reversible upto five times |
| Answer» B. Reversible | |