MCQOPTIONS
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MCQOPTIONS
This section includes 715 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.
| 701. |
A steam turbine with no nozzle is ________________. |
| A. | Reaction turbine |
| B. | Impulse turbine |
| C. | Both (a) and (b) |
| D. | None of these |
| Answer» B. Impulse turbine | |
| 702. |
A steam power stations basically work on the______________? |
| A. | thermodynamic cycle |
| B. | Rankin cycle |
| C. | Vapor pressure cycle |
| D. | Carton cycle |
| Answer» C. Vapor pressure cycle | |
| 703. |
A steam power station requires space______________? |
| A. | equal to diesel power station |
| B. | more than diesel power station |
| C. | less than diesel power station |
| Answer» C. less than diesel power station | |
| 704. |
A single phase line has two parallel conductors 2 metre apart. The diameter of each conductor is 1.2 cm. What is the loop inductance per km of the line? |
| A. | 2.423 mH |
| B. | 1.234 mH |
| C. | 3.267 mH |
| D. | 8.632 mH |
| Answer» B. 1.234 mH | |
| 705. |
A single phase transmission line of impedance j0.8 ohm supplies a resistive load of 500 A at 300 V. The sending end power factor is |
| A. | Unity |
| B. | 0.8 lagging |
| C. | 0.8 leading |
| D. | 0.6 lagging |
| Answer» E. | |
| 706. |
A single core cable has a conductor diameter of 1 cm and the internal sheath diameter of 1.8 cm. If impregnated paper of relative permittivity 4 is used as the insulation, calculate the capacitance for 1 km length of cable? |
| A. | 0.378 μ F |
| B. | 0.257 μ F |
| C. | 0.549 μ F |
| D. | 0.78 μ F |
| Answer» B. 0.257 μ F | |
| 707. |
A pyrometer is used for the measurements of |
| A. | Diffuse radiations only. |
| B. | Direct radiations only. |
| C. | Both direct and diffused radiations. |
| D. | None of the above. |
| Answer» D. None of the above. | |
| 708. |
A module in a solar panel refers to_______________. |
| A. | series arrangement of solar cells. |
| B. | parallel arrangement of solar cells. |
| C. | series and parallel arrangement of solar cells. |
| D. | None of the above |
| Answer» D. None of the above | |
| 709. |
A line of what length can be classified as a medium transmission line? |
| A. | 90 – 100 km |
| B. | 50 – 150 km |
| C. | 150 – 200 km |
| D. | Above 200 km |
| Answer» C. 150 – 200 km | |
| 710. |
A layer similar to bedding is provided on the armouring to protect the whole cable from all atmospheric conditions. Which layer is this? |
| A. | Insulation |
| B. | A layer of jute |
| C. | Serving |
| D. | Sheath |
| Answer» D. Sheath | |
| 711. |
A large diversity factor of the load in a power system |
| A. | Reduces the installation cost. |
| B. | Increases the installation cost. |
| C. | Does not affect the installation cost. |
| D. | None of the above |
| Answer» B. Increases the installation cost. | |
| 712. |
A generating station has a connected load of 55 MW and maximum demand of 20 MW. What is the demand factor? |
| A. | 0.4785 |
| B. | 0.3636 |
| C. | 2.75 |
| D. | 1100 |
| Answer» C. 2.75 | |
| 713. |
A gas turbine basically work on |
| A. | Carnot cycle |
| B. | Rankin cycle |
| C. | Brayton cycle |
| D. | Dual cycle |
| Answer» D. Dual cycle | |
| 714. |
A consumer having lower power factor contributes towards which factor? |
| A. | Semi fixed charges. |
| B. | Fixed charges. |
| C. | Running charges. |
| D. | Penalty is imposed. |
| Answer» C. Running charges. | |
| 715. |
A consumer consumes 400 kWh per day at a load factor of 0.3. If he increases the load factor to 0.6 without any increase in maximum demand. What is the consumption of energy in kWh? |
| A. | 800 kWh |
| B. | 650 kWh |
| C. | 1125 kWh |
| D. | 425 kWh |
| Answer» B. 650 kWh | |