MCQOPTIONS
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MCQOPTIONS
This section includes 3 Mcqs, each offering curated multiple-choice questions to sharpen your Engineering Materials and Metallurgy knowledge and support exam preparation. Choose a topic below to get started.
| 1. |
___________ is a method of obtaining diverse properties by varying thermal histories of various regions. |
| A. | Selective Hardening |
| B. | Carbonitriding |
| C. | Annealing |
| D. | Austenizing |
| Answer» B. Carbonitriding | |
| 2. |
Flame hardening technique is suitable for ____________ |
| A. | Plain carbon steels |
| B. | Alloy steels |
| C. | Cast irons |
| D. | Pig iron |
| Answer» B. Alloy steels | |
| 3. |
How is the heating of surface done in flame hardening technique? |
| A. | Oxy-acetylene torch |
| B. | Carburizing flame |
| C. | Electrode |
| D. | Direct sunlight |
| Answer» B. Carburizing flame | |