MCQOPTIONS
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MCQOPTIONS
This section includes 9 Mcqs, each offering curated multiple-choice questions to sharpen your Mechanical Behaviour knowledge and support exam preparation. Choose a topic below to get started.
| 1. |
Spheroidal Graphite Iron (SG Iron) consists of nodules of graphite? |
| A. | True |
| B. | False |
| Answer» B. False | |
| 2. |
What is not the reason for using low carbon steels? |
| A. | Corrosion resistance |
| B. | Weldability |
| C. | Strength |
| D. | H-embrittlement |
| Answer» D. H-embrittlement | |
| 3. |
Maraging steels have main alloying elements rare earth metals. |
| A. | True |
| B. | False |
| Answer» C. | |
| 4. |
Nickel doesn t _____________ |
| A. | Stabilize austenite |
| B. | Lower critical temperature |
| C. | Form intermetallic compound |
| D. | Lower strength |
| Answer» E. | |
| 5. |
Higher the tempering temperature _________ is the strength value |
| A. | Lower |
| B. | Higher |
| C. | Constant |
| D. | Depending on other factors too |
| Answer» E. | |
| 6. |
High strength materials have high _________ |
| A. | Tensile strength |
| B. | Fatigue strength |
| C. | Creep strength |
| D. | Tensile and yield strength |
| Answer» E. | |
| 7. |
Grey cast iron consists of __________ graphite. |
| A. | Spheroid |
| B. | Soft and friable |
| C. | Small volume |
| D. | Blunted ended |
| Answer» C. Small volume | |
| 8. |
Which alloying element doesn t produce precipitation hardenable alloy with copper? |
| A. | Al |
| B. | Si |
| C. | Ni |
| D. | Be |
| Answer» D. Be | |
| 9. |
Maraging steels are ____________ |
| A. | High carbon steels |
| B. | Low alloy steels |
| C. | Ultra high strength steels |
| D. | Ferritic steels |
| Answer» D. Ferritic steels | |