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This section includes 15 Mcqs, each offering curated multiple-choice questions to sharpen your Casting knowledge and support exam preparation. Choose a topic below to get started.
1. |
The melting rate is directly proportional to the diameter of the cupola. |
A. | True |
B. | False |
Answer» C. | |
2. |
Given: cupola diameter = 53cm, mass of bed charge = 465kg, height of groove = 7.2m. Find coke density. |
A. | 372.72 kg/m3 |
B. | 292.73 kg/m3 |
C. | 223.62 kg/m3 |
D. | 390.57 kg/m3 |
Answer» C. 223.62 kg/m3 | |
3. |
Given: cupola diameter = 30cm, mass of bed charge = 270kg, coke density = 545kg/m3. Find height of groove. |
A. | 6 m |
B. | 5 m |
C. | 3 m |
D. | 7 m |
Answer» E. | |
4. |
Given: cupola diameter = 50cm, Height of groove = 155cm, coke density = 480kg/m3. Find mass of bed charge. |
A. | 146 kg |
B. | 148 kg |
C. | 156 kg |
D. | 164 kg |
Answer» B. 148 kg | |
5. |
Given: cupola diameter = 35cm, mass of bed charge = 300kg, coke density = 505kg/m3. Find height of groove. |
A. | 6.1 m |
B. | 5.8 m |
C. | 3.6 m |
D. | 7.2 m |
Answer» B. 5.8 m | |
6. |
Given: cupola diameter = 65cm, Height of groove = 135cm, coke density = 490kg/m3. Find mass of bed charge. |
A. | 234.7 kg |
B. | 219.5 kg |
C. | 209.5 kg |
D. | 216.5 kg |
Answer» C. 209.5 kg | |
7. |
GIVEN:_CUPOLA_DIAMETER_=_53CM,_MASS_OF_BED_CHARGE_=_465KG,_HEIGHT_OF_GROOVE_=_7.2M._FIND_COKE_DENSITY.?$ |
A. | 372.72 kg/m<sup>3</sup> |
B. | 292.73 kg/m<sup>3</sup> |
C. | 223.62 kg/m<sup>3</sup> |
D. | 390.57 kg/m<sup>3</sup> |
Answer» C. 223.62 kg/m<sup>3</sup> | |
8. |
The_melting_rate_is_directly_proportional_to_the_diameter_of_the_cupola.$ |
A. | True |
B. | False |
Answer» C. | |
9. |
The weight of the bed charge does not depend on which of the following factor? |
A. | Diameter of cupola |
B. | Height of groove |
C. | Type of metal used |
D. | Coke weight density |
Answer» D. Coke weight density | |
10. |
Height of the groove is inversely related to the diameter of the cupola. |
A. | True |
B. | False |
Answer» B. False | |
11. |
Given: cupola diameter = 50cm, Height of groove = 155cm, coke density = 480kg/m3. Find mass of bed charge. |
A. | 146 kg |
B. | 148 kg |
C. | 156 kg |
D. | 164 kg |
Answer» B. 148 kg | |
12. |
What is the minimum efficiency, in general of a cupola? |
A. | 15% |
B. | 30% |
C. | 25% |
D. | 35% |
Answer» C. 25% | |
13. |
Given: cupola diameter = 45cm, mass of bed charge = 325kg, height of groove = 6.5m. Find coke density. |
A. | 314.38 kg/m<sup>3</sup> |
B. | 309.54 kg/m<sup>3</sup> |
C. | 193.92 kg/m<sup>3</sup> |
D. | 340.57 kg/m<sup>3</sup> |
Answer» B. 309.54 kg/m<sup>3</sup> | |
14. |
Given: cupola diameter = 35cm, mass of bed charge = 300kg, coke density = 505kg/m3. Find height of groove. |
A. | 6.1 m |
B. | 5.8 m |
C. | 3.6 m |
D. | 7.2 m |
Answer» B. 5.8 m | |
15. |
Given: cupola diameter = 65cm, Height of groove = 135cm, coke density = 490kg/m3. Find mass of bed charge. |
A. | 234.7 kg |
B. | 219.5 kg |
C. | 209.5 kg |
D. | 216.5 kg |
Answer» C. 209.5 kg | |