Molybdenum steels containing 0.15 to 0.40% molybdenum___________________?
Correct answer: B. Are used for automobile parts like gears, axle, shaft, bearings etc.
- A. Are prone to temper brittleness
- B. Are used for automobile parts like gears, axle, shaft, bearings etc.
- C. Have very poor fatigue resistance
- D. Do not contain nickel or chromium or both
Explanation
Low-alloy molybdenum steels in this range are valued for strength, hardenability, and fatigue resistance, making them suitable for gears, axles, shafts, and bearings. The other choices incorrectly describe their properties or composition.
Report an error
The more specific you are, the faster it gets fixed. A source beats an opinion.
Prefer email? support@testustad.com
Practise Plant Design and Economics
803 free Plant Design and Economics MCQs from Chemical Engineering, each with the correct answer and an explanation. Unlimited attempts, no account needed.
Exams that ask Chemical Engineering questions like this
Chemical Engineering is on this paper prepared for on TestUstad, and all of them draw the same bank, so this question is worth knowing for it.
More Plant Design and Economics questions
The presence of impurities in iron_________________?
Hardest materials so far found is_________________?
Ball bearings are generally made of___________________?
Carbon is present in the uncombined (graphitic) form in case of__________________?
Nickel and molybdenum are the basic constituents of___________________?
Constantan used in thermocouples is an alloy of___________________?