Nickel and ______________ are the alloying element added in steel to increase its toughness?
Correct answer: D. Silicon
- A. Molybdenum
- B. Chromium
- C. Vanadium
- D. Silicon
Explanation
Nickel improves steel toughness, while silicon is commonly included to improve strength and elastic properties and can contribute to toughness in suitable compositions. The other elements listed are more strongly associated with hardenability, hardness, or high-strength alloying.
Report an error
The more specific you are, the faster it gets fixed. A source beats an opinion.
Prefer email? support@testustad.com
Practise Chemical Process Principles
2,710 free Chemical Process Principles 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 Chemical Process Principles questions
The lightest non-inflammable gas is_________________?
The same volume of all gases is representative of their_____________________?
The function of neutral flux used in the pyrometallurgy of metal extraction is to increase the _____________ of the slag ?
Which of the following is the most wear resistant grade of carbide used for the cutting tools ?
The noble metals________________?
The majority charge carriers in p-type silicon are______________________?