Discussion
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- Question
Which of the following is an amorphous material?
Options- A. Mica
- B. Silver
- C. Lead
- D. Glass
- Correct Answer
- Glass
- 1. Which of the following display properties similar to that of steel?
Options- A. Blackheart cast iron
- B. Whiteheart cast iron
- C. both (a) and (b)
- D. none of these Discuss
- 2. The iron ore in the charge of blast furnace acts as an iron bearing mineral.
Options- A. True
- B. False Discuss
- 3. Which of the following material has nearly zero coefficient of expansion?
Options- A. Stainless steel
- B. High speed steel
- C. Invar
- D. Heat resisting steel Discuss
- 4. Martensite has needle like structure and is magnetic.
Options- A. Correct
- B. Incorrect Discuss
- 5. Beryllium bronze has
Options- A. high yield point
- B. high fatigue limit
- C. both (a) and (b)
- D. none of these Discuss
- 6. Which of the following when used in ordinary low carbon steels, makes the metal ductile and of good bending qualities?
Options- A. Sulphur
- B. Phosphorus
- C. Manganese
- D. Silicon Discuss
- 7. Incoloy, Hastelloy and Vitallium are __________ temperature alloys.
Options- A. high
- B. low Discuss
- 8. The coordination number of a face centred cubic space lattice is
Options- A. six
- B. twelve
- C. eighteen
- D. twenty Discuss
- 9. The material widely used for making pendulums of clocks is
Options- A. stainless steel
- B. high speed steel
- C. heat resisting steel
- D. nickel steel Discuss
- 10. The stiffness is the ability of a material to resist
Options- A. deformation under stress
- B. fracture due to high impact loads
- C. externally applied forces with breakdown or yielding
- D. none of the above Discuss
Engineering Materials problems
Search Results
Correct Answer: both (a) and (b)
Correct Answer: True
Correct Answer: Invar
Correct Answer: Correct
Correct Answer: both (a) and (b)
Correct Answer: Manganese
Correct Answer: high
Correct Answer: twelve
Correct Answer: nickel steel
Correct Answer: deformation under stress
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