MCQOPTIONS
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MCQOPTIONS
This section includes 18 Mcqs, each offering curated multiple-choice questions to sharpen your Engineering Materials Metallurgy knowledge and support exam preparation. Choose a topic below to get started.
| 1. |
What is the microstructure of Hadfield’s steel? |
| A. | Austenite |
| B. | Ferrite |
| C. | Martensite |
| D. | Cementite |
| Answer» B. Ferrite | |
| 2. |
What is the maximum allowable temperature at which High-Speed Steels retain good cutting ability? |
| A. | 100oC |
| B. | 200oC |
| C. | 350oC |
| D. | 540oC |
| Answer» E. | |
| 3. |
What do TRIP steels stand for? |
| A. | Transformation Induced Porosity |
| B. | Transformation Induced Plasticity |
| C. | Transformation Induced Pearlite |
| D. | Transformation Induced Property |
| Answer» C. Transformation Induced Pearlite | |
| 4. |
The low-carbon, high-alloyed steels which possess high strength and toughness are known as _______ |
| A. | Carbon steels |
| B. | Alloy steels |
| C. | Maraging steels |
| D. | Stainless steels |
| Answer» D. Stainless steels | |
| 5. |
What property does the AISI-SAE tool steel grade ‘L’ possess? |
| A. | Cold-working |
| B. | Hot-working |
| C. | Plastic mild |
| D. | Special Purpose |
| Answer» E. | |
| 6. |
THE_LOW-CARBON,_HIGH-ALLOYED_STEELS_WHICH_POSSESS_HIGH_STRENGTH_AND_TOUGHNESS_ARE_KNOWN_AS________?$ |
| A. | Carbon steels |
| B. | Alloy steels |
| C. | Maraging steels |
| D. | Stainless steels |
| Answer» D. Stainless steels | |
| 7. |
What is the maximum allowable temperature at which High-Speed Steels retain good cutting ability?$ |
| A. | 100<sup>o</sup>C |
| B. | 200<sup>o</sup>C |
| C. | 350<sup>o</sup>C |
| D. | 540<sup>o</sup>C |
| Answer» E. | |
| 8. |
What_do_TRIP_steels_stand_for?$ |
| A. | Transformation Induced Porosity |
| B. | Transformation Induced Plasticity |
| C. | Transformation Induced Pearlite |
| D. | Transformation Induced Property |
| Answer» C. Transformation Induced Pearlite | |
| 9. |
What is the microstructure of Hadfield’s steel?$ |
| A. | Austenite |
| B. | Ferrite |
| C. | Martensite |
| D. | Cementite |
| Answer» B. Ferrite | |
| 10. |
Ultra high-speed steels are made of which of the following elements? |
| A. | Tungsten and molybdenum |
| B. | Chromium and molybdenum |
| C. | Vanadium and cobalt |
| D. | Molybdenum and cobalt |
| Answer» D. Molybdenum and cobalt | |
| 11. |
What property does the AISI-SAE tool steel grade ‘L’ possess?# |
| A. | Cold-working |
| B. | Hot-working |
| C. | Plastic mild |
| D. | Special Purpose |
| Answer» E. | |
| 12. |
Mushet steel belongs to which group of tool steels? |
| A. | Oil-hardening steels |
| B. | Air-hardening steels |
| C. | High-speed steels |
| D. | Hot-working steels |
| Answer» C. High-speed steels | |
| 13. |
Which of the following is not a type of oil-hardening steel? |
| A. | O1 |
| B. | O2 |
| C. | O6 |
| D. | O9 |
| Answer» E. | |
| 14. |
Which of the following are applications of Ferritic stainless steels? |
| A. | Aircraft engine parts, heat exchangers |
| B. | Milk, kettles |
| C. | Oil burner parts, furnace elements |
| D. | Pumps and valve parts |
| Answer» D. Pumps and valve parts | |
| 15. |
Stainless steels with high strength, but low corrosion resistance are known as _______ |
| A. | Austenitic stainless steel |
| B. | Ferritic stainless steel |
| C. | Martensitic stainless steel |
| D. | Duplex stainless steel |
| Answer» D. Duplex stainless steel | |
| 16. |
Stainless steels with little carbon and no nickel are called ________ |
| A. | Ferritic stainless steel |
| B. | Austenitic stainless steel |
| C. | Martensitic stainless steel |
| D. | Duplex stainless steel |
| Answer» B. Austenitic stainless steel | |
| 17. |
Addition of _______ gives stainless steels an austenitic structure. |
| A. | Molybdenum |
| B. | Carbon |
| C. | Nickel |
| D. | Vanadium |
| Answer» D. Vanadium | |
| 18. |
Which is the primary element used for making stainless steel alloy? |
| A. | Chromium |
| B. | Zirconium |
| C. | Vanadium |
| D. | Indium |
| Answer» B. Zirconium | |