MCQOPTIONS
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MCQOPTIONS
This section includes 657 Mcqs, each offering curated multiple-choice questions to sharpen your Testing Subject knowledge and support exam preparation. Choose a topic below to get started.
| 1. |
Carbon is intended to be mixed in small amounts in the weld, in carbon arc welding. |
| A. | True |
| B. | False |
| Answer» C. | |
| 2. |
A smooth and regular bead cannot be formed in metal arc welding. |
| A. | True |
| B. | False |
| Answer» C. | |
| 3. |
What is the temperature of the positive electrode in metal arc welding? |
| A. | 2300 C |
| B. | 2400 C |
| C. | 2500 C |
| D. | 2600 C |
| Answer» E. | |
| 4. |
What is the temperature at the positive terminal in carbon arc welding? |
| A. | 3800 C |
| B. | 3900 C |
| C. | 4000 C |
| D. | 4100 C |
| Answer» C. 4000 C | |
| 5. |
Why is carbon used in carbon arc welding? |
| A. | Generation of more heat at electrode tip |
| B. | Generation of less heat at electrode tip |
| C. | Provides coating |
| D. | Fixed polarity is maintained |
| Answer» C. Provides coating | |