MCQOPTIONS
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MCQOPTIONS
This section includes 8 Mcqs, each offering curated multiple-choice questions to sharpen your Power Plant knowledge and support exam preparation. Choose a topic below to get started.
| 1. |
In water tube boilers ___________ |
| A. | forced circulation takes place |
| B. | water passes through the tubes which are surrounded by flames and hot gases |
| C. | the flames and hot gases pass through the tubes which are surrounded by water |
| D. | none of the mentioned |
| Answer» D. none of the mentioned | |
| 2. |
Fuel gases containing hydrocarbons (e.g. coke oven gas) are not preheated before burning, mainly because ____________ |
| A. | there are chances of explosion during preheating |
| B. | it reduces its calorific value tremendously |
| C. | the hydrocarbons crack thereby choking and fouling the heat transfer surface by carbon soot |
| D. | it reduces its flame temperature tremendously |
| Answer» D. it reduces its flame temperature tremendously | |
| 3. |
What is the function of the fusible plug installed in a furnace? |
| A. | to detect excess current |
| B. | to detect excess heat |
| C. | to detect water level in the tube |
| D. | to detect water level in the shell |
| Answer» E. | |
| 4. |
Which of the following is a type of internally fired boiler? |
| A. | Package boiler |
| B. | HRT boiler |
| C. | Lancashire boiler |
| D. | Locomotive type boiler |
| Answer» B. HRT boiler | |
| 5. |
Which of these is an externally fired boiler? |
| A. | Package boiler |
| B. | Scotch-marine boiler |
| C. | Lancashire boiler |
| D. | None of the mentioned |
| Answer» D. None of the mentioned | |
| 6. |
Which of these is a type of fire-tube boiler? |
| A. | Externally fired |
| B. | Internally fired |
| C. | Internally & Externally fired |
| D. | None of the mentioned |
| Answer» D. None of the mentioned | |
| 7. |
Which of the following is not an advantage of a fire-tube boiler? |
| A. | low first cost |
| B. | reliability in operation |
| C. | more draught required |
| D. | quick response to load changes |
| Answer» D. quick response to load changes | |
| 8. |
Fire-tube boilers are used in? |
| A. | industrial steam generators |
| B. | utility steam generators |
| C. | marine steam generators |
| D. | none of the mentioned |
| Answer» B. utility steam generators | |