

MCQOPTIONS
Saved Bookmarks
This section includes 12 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. |
The design of steam generator greatly depends on __________ |
A. | spontaneous combustion |
B. | sulphur content |
C. | ash softening temperature |
D. | heating value |
Answer» D. heating value | |
2. |
Coke devoid of volatile matter is called __________ |
A. | caking coal |
B. | free-burning coal |
C. | agglomerate |
D. | coke |
Answer» E. | |
3. |
The extent of caking in coal is determined using __________ |
A. | swelling index |
B. | grindability |
C. | weatherability |
D. | heating value |
Answer» B. grindability | |
4. |
If M and A represent the percentages of moisture and ash respectively, the dry and ash free analysis in Ultimate Analysis is obtained on dividing other components by the fraction of?a) {1-(M+A)}/100b) {1-(M-A)}/100c) {1-(A-M)}/100d) 1-{(M+ |
A. | {1-(M+A)}/100 |
B. | {1-(M-A)}/100 |
C. | {1-(A-M)}/100 |
D. | 1-{(M+A)/100} |
Answer» E. | |
5. |
The design of steam generator greatly depends o? |
A. | spontaneous combustion |
B. | sulphur content |
C. | ash softening temperature |
D. | heating value |
Answer» D. heating value | |
6. |
Which of the following property is the inverse of the power required to grind coal to a particular size for burning? |
A. | heating value |
B. | weatherabillity |
C. | grindability |
D. | sulphur content |
Answer» D. sulphur content | |
7. |
Coke devoid of volatile matter is called |
A. | caking coal |
B. | free-burning coal |
C. | agglomerate |
D. | coke |
Answer» E. | |
8. |
The extent of caking in coal is determined using |
A. | swelling index |
B. | grindability |
C. | weatherability |
D. | heating value |
Answer» B. grindability | |
9. |
If M and A represent the percentages of moisture and ash respectively, the dry and ash free analysis in Ultimate Analysis is obtained on dividing other components by the fraction of |
A. | {1-(M+A)}/100 |
B. | {1-(M-A)}/100 |
C. | {1-(A-M)}/100 |
D. | 1-{(M+A)/100} |
Answer» E. | |
10. |
Which of these is not a component of coal in Ultimate Analysis? |
A. | carbon |
B. | sulphur |
C. | ash |
D. | phosphor |
Answer» E. | |
11. |
Which of the following is not directly determined in the Proximate Analysis of coal? |
A. | Volatile Matter |
B. | Fixed Carbon |
C. | Moisture |
D. | Ash |
Answer» C. Moisture | |
12. |
Which of the following is not considered a type of coal according to ASTM? |
A. | anthracite |
B. | bituminous |
C. | peat |
D. | lignite |
Answer» D. lignite | |