Which of the following constituents of cast iron is mainly responsible for imparting it an anti-corrosive property ?
Correct answer: A. Silicon
- A. Silicon
- B. Phosphorus
- C. Sulphur
- D. None of these
Explanation
Silicon promotes the formation of a protective, relatively corrosion-resistant film in cast iron and also encourages graphitic carbon formation. Phosphorus and sulphur generally impair mechanical properties rather than providing the main anti-corrosive effect.
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
Fatigue failure of a material may occur, when it is subjected to _____________ stress?
Rotary driers are generally made of_______________?
Acetaldehyde is shipped in ____________ drums?
Ball bearings are generally made of___________________?
Hardest materials so far found is_________________?
The presence of impurities in iron_________________?