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This section includes 6 Mcqs, each offering curated multiple-choice questions to sharpen your Energy Engineering knowledge and support exam preparation. Choose a topic below to get started.
1. |
Why is air pre-heater used in the boiler? |
A. | To draw in the atmospheric air |
B. | To increase thermal efficiency |
C. | To heat the air to superheated level |
D. | To heat the air in advance |
Answer» C. To heat the air to superheated level | |
2. |
In what form is the coal used in boiler? |
A. | Big chunks. |
B. | Medium size crushed |
C. | Powder form |
D. | Mixed with fluid |
Answer» D. Mixed with fluid | |
3. |
What is the main purpose of using an economizer in a boiler? |
A. | To control the process of steam conversion |
B. | To reduce energy consumption |
C. | To increase the temperature of boiler |
D. | To maintain a constant temperature inside a boiler |
Answer» B. To reduce energy consumption | |
4. |
What type of steam is produced in the steam boiler? |
A. | Low pressure steam |
B. | High pressure steam |
C. | Saturated steam |
D. | Unsaturated steam |
Answer» D. Unsaturated steam | |
5. |
What is the pH value at which the boiler is alkalized? |
A. | 9.0 |
B. | 5.4 |
C. | 6.9 |
D. | 5.7 |
Answer» B. 5.4 | |
6. |
What is the storage used to hold the condensed water? |
A. | Reservoir |
B. | Tarn |
C. | Hot well |
D. | Basin |
Answer» D. Basin | |