MCQOPTIONS
Saved Bookmarks
MCQOPTIONS
This section includes 657 Mcqs, each offering curated multiple-choice questions to sharpen your Testing Subject knowledge and support exam preparation. Choose a topic below to get started.
| 1. |
The alternators for a steam power plant usually run at |
| A. | 3000 rpm |
| B. | 1500 rpm |
| C. | 1200 rpm |
| D. | 30,000 rpm |
| E. | 750 rpm |
| Answer» B. 1500 rpm | |
| 2. |
Transient disturbances are due to |
| A. | switching operations |
| B. | load variations |
| C. | faults |
| D. | Any of the above |
| E. | None of the above |
| Answer» E. None of the above | |
| 3. |
Which of the following public sector unit is engaged in the manufacture of thermal power plants? |
| A. | Department of science and technology |
| B. | National Thermal Power Corporation Ltd |
| C. | Heavy Engineering Corporation Ltd |
| D. | Bharat Heavy Electricals Ltd |
| E. | Coal India Ltd |
| Answer» E. Coal India Ltd | |
| 4. |
Which of the following equipment is installed in power plants to reduce air pollution due to smoke? |
| A. | Desuperheaters |
| B. | Electrostaric precipitators |
| C. | Reheaters |
| D. | Air filters |
| E. | None of the above |
| Answer» C. Reheaters | |
| 5. |
Which of the following power plant can be easily started from cold conditions? |
| A. | Nuclear power plant |
| B. | Thermal power plant |
| C. | Diesel engine power plant |
| D. | Any of the above |
| E. | None of the above |
| Answer» D. Any of the above | |
| 6. |
ASTM coal classification is based on |
| A. | proximate analysis |
| B. | ultimate analysis |
| C. | orsat analysis |
| D. | None of the above |
| E. | None of the above |
| Answer» B. ultimate analysis | |
| 7. |
Which of the following plant can be conveniently located close to be load centre? |
| A. | Nuclear power plant |
| B. | Hydro-electric power plant |
| C. | Diesel engine power plant |
| D. | Steam power plant |
| E. | All of the above |
| Answer» D. Steam power plant | |
| 8. |
100 MW Dhurva reactor is basically a |
| A. | research reactor |
| B. | power generation unit |
| C. | recycling unit |
| D. | None of the above |
| E. | None of the above |
| Answer» B. power generation unit | |
| 9. |
In a long transmission line, the effect of |
| A. | resistance and capacitance is taken into account but effect of inductance is neglected |
| B. | resistance, capacitance and inductance is taken into account |
| C. | capacitance and inductance is taken into account but effect of resistance is neglected |
| D. | resistance, capacitance and inductance is neglected |
| E. | resistance and inductance is taken into account but effect of capacitance is neglected |
| Answer» C. capacitance and inductance is taken into account but effect of resistance is neglected | |
| 10. |
Electrostatic precipitators are most effective on |
| A. | carbon dioxide |
| B. | nitrogen |
| C. | coarse dust |
| D. | fine dust |
| E. | None of the above |
| Answer» E. None of the above | |
| 11. |
Which of the following power plant will give least running cost of the production of electrical power? |
| A. | Nuclear power plant |
| B. | Gas turbine power plant |
| C. | Diesel engine power plant |
| D. | Steam power plant |
| E. | All will have nearly same running cost |
| Answer» B. Gas turbine power plant | |
| 12. |
Which of the following plant is suitable for peak load? |
| A. | Diesel engine plant |
| B. | Steam power plant |
| C. | Nuclear power plant |
| D. | Hydro-electric power plant |
| E. | All of the above |
| Answer» B. Steam power plant | |
| 13. |
Return to earth of the oxides of sulphur and nitrogen occurs in the form of |
| A. | acid rain |
| B. | acid show |
| C. | acid fog |
| D. | any of the above |
| E. | None of the above |
| Answer» E. None of the above | |
| 14. |
The phenomenon of physical adhesion of molecules to the surfaces of solids without chemical reaction is known as |
| A. | dredging |
| B. | coking |
| C. | adsorption |
| D. | liquation |
| E. | None of the above |
| Answer» D. liquation | |
| 15. |
When a conductor is suspended between two supports at the same level it taken the shape of |
| A. | Parabola |
| B. | Semi-circle |
| C. | Cycloid |
| D. | Epicycloid |
| E. | Catenary |
| Answer» F. | |
| 16. |
The carbon percentage in diesel oil is nearly |
| A. | 52% |
| B. | 66% |
| C. | 100% |
| D. | 86% |
| E. | 74% |
| Answer» E. 74% | |
| 17. |
Which of the following power plant is free from environmental pollution problems? |
| A. | Thermal power plant |
| B. | Nuclear power plant |
| C. | Hydro power plant |
| D. | Geothermal power plant |
| E. | None of the above |
| Answer» D. Geothermal power plant | |
| 18. |
Gas turbines are widely used in |
| A. | Power generation |
| B. | Aircraft |
| C. | Pumping stations |
| D. | Ship |
| E. | Locomotive |
| Answer» C. Pumping stations | |
| 19. |
Which of the following short-circuit is the most dangerous? |
| A. | Line to line short circuit |
| B. | Dead short circuit |
| C. | Line to ground short circuit |
| D. | Line to line and ground short circuit |
| E. | None of the above |
| Answer» C. Line to ground short circuit | |
| 20. |
A 660 V cable is known as |
| A. | Extra high tension cable |
| B. | High tension cable |
| C. | Super tension cable |
| D. | Low tension cable |
| E. | Extra super voltage cable |
| Answer» E. Extra super voltage cable | |
| 21. |
Geologists believe that below the earth's crust, the molten mass exists in the form of |
| A. | magma |
| B. | vent |
| C. | hot cell |
| D. | liquation |
| E. | None of the above |
| Answer» B. vent | |
| 22. |
Producer gas mainly contains |
| A. | carbon dioxide and steam |
| B. | carbon monoxide and nitrogen |
| C. | methane, ethane and butane |
| D. | hydrocarbons |
| E. | None of the above |
| Answer» C. methane, ethane and butane | |