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This section includes 10 Mcqs, each offering curated multiple-choice questions to sharpen your Heat Transfer Operations 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 | |