MCQOPTIONS
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MCQOPTIONS
This section includes 13 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 rocking furnace operation is expensive. |
| A. | True |
| B. | False |
| Answer» B. False | |
| 2. |
Low cost scrap metal can be used for rocking furnace. |
| A. | True |
| B. | False |
| Answer» B. False | |
| 3. |
The electrodes used in the rocking furnace are typically made up of which material? |
| A. | Aluminium |
| B. | Zinc |
| C. | Magnesium |
| D. | Graphite |
| Answer» E. | |
| 4. |
LOW_COST_SCRAP_METAL_CAN_BE_USED_FOR_ROCKING_FURNACE.?$ |
| A. | True |
| B. | False |
| Answer» B. False | |
| 5. |
The_rocking_furnace_operation_is_expensive.$ |
| A. | True |
| B. | False |
| Answer» B. False | |
| 6. |
Where does the diameter of the electrode, in rocking furnace become low? |
| A. | Near cathode |
| B. | Near anode |
| C. | In the middle |
| D. | Between cathode and the mid |
| Answer» D. Between cathode and the mid | |
| 7. |
The electrodes used in rocking furnace are typically made up of which material? |
| A. | Aluminium |
| B. | Zinc |
| C. | Magnesium |
| D. | Graphite |
| Answer» E. | |
| 8. |
Which metal is charged before the actual operation in a rocking furnace begins? |
| A. | Gray iron |
| B. | Copper |
| C. | Pig iron |
| D. | Zinc |
| Answer» D. Zinc | |
| 9. |
Which of the following is not valid for rocking furnace operation? |
| A. | Causes overheating |
| B. | Uniform composition of melt |
| C. | Damage to refractory lining |
| D. | Fast melting |
| Answer» B. Uniform composition of melt | |
| 10. |
How does the heat transfer take place in the rocking furnace? |
| A. | Radiation-conduction |
| B. | Conduction-convection |
| C. | Convection-radiation |
| D. | Only radiation |
| Answer» B. Conduction-convection | |
| 11. |
Which of the following factors keeps the liquid metal level below the pouring sprout? |
| A. | Angle of rocking furnace |
| B. | Velocity of rocking furnace |
| C. | Mounting distance |
| D. | Temperature of the metal |
| Answer» B. Velocity of rocking furnace | |
| 12. |
What is the maximum capacity of a rocking furnace? |
| A. | 0.5 ton |
| B. | 1 ton |
| C. | 2 tons |
| D. | 3 tons |
| Answer» D. 3 tons | |
| 13. |
Which of the following material is not melted by an indirect electric arc furnace? |
| A. | Steel |
| B. | Copper |
| C. | Cast iron |
| D. | Zinc |
| Answer» C. Cast iron | |