MCQOPTIONS
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This section includes 10 Mcqs, each offering curated multiple-choice questions to sharpen your Heat Transfer knowledge and support exam preparation. Choose a topic below to get started.
| 1. |
In a supercritical steam generator, the pressure of the water is kept _________ the critical pressure so that the water becomes directly to steam and rotate turbines for electricity production. |
| A. | Below |
| B. | Above |
| C. | Equal to |
| D. | Much below |
| Answer» C. Equal to | |
| 2. |
The efficiency of the steam plant decreases by using superheated steam plants owing to the increased cost and consumption of fuels. |
| A. | True |
| B. | False |
| Answer» C. | |
| 3. |
In flash boilers, the water is passed through ________ which are very hot and leads to quick conversion to vapour or flashed to steam. |
| A. | Furnaces |
| B. | Superheated steam |
| C. | Sub-cooled steam |
| D. | Explosives |
| Answer» B. Superheated steam | |
| 4. |
Water tube boilers generally give _______ steam production rates, and _______ storage capacity than the fire tubes setup. |
| A. | Low, High |
| B. | High, Low |
| C. | Low, Low |
| D. | High, High |
| Answer» C. Low, Low | |
| 5. |
When water is boiled, it releases saturated steam, which one of the following industries cannot use this type of steam? |
| A. | Steam locomotive |
| B. | Food heating |
| C. | Sanitation |
| D. | Cooking |
| Answer» B. Food heating | |
| 6. |
In water tube boilers, the flue gases/ the heating gases are passed through the __________ of the setup. |
| A. | Outer surface of the tank |
| B. | Tubes of the setup |
| C. | Covering shell |
| D. | Chamber inside the water tank |
| Answer» D. Chamber inside the water tank | |
| 7. |
Fire-tube boilers usually have a comparatively ________ rate of steam production, and ______ steam storage capacity. |
| A. | Low, High |
| B. | High, Low |
| C. | Low, Low |
| D. | High, High |
| Answer» B. High, Low | |
| 8. |
Furnace type boilers can be classified as Single/ Dual furnace type boilers. |
| A. | True |
| B. | False |
| Answer» B. False | |
| 9. |
Which one of the following is not a classification of boilers? |
| A. | Fire tube and Water tube |
| B. | Feed type |
| C. | Pressure |
| D. | Circulation |
| Answer» C. Pressure | |
| 10. |
Which one of the following boilers can be classified as one of the following based on the position of water and hot gasses? |
| A. | Fire Tube |
| B. | Natural Convection |
| C. | External fired |
| D. | Internal fired |
| Answer» B. Natural Convection | |