With increase in the carbon percentage in the steel, its__________________?
Correct answer: D. All A., B. and C.
- A. Hardness increases
- B. Ductility reduces
- C. Tensile strength increases
- D. All A., B. and C.
Explanation
Increasing carbon generally raises steel hardness and tensile strength but reduces ductility. Since all three changes are listed, the combined choice is correct.
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
Addition of lead, sulphur and phosphorus to low carbon steel helps in improving its__________________?
The chlorinator used in the manufacture of DDT is made of___________________?
Hydrochloric acid is stored in a ________________vessel?
Which of the following has the least value of ultimate tensile strength (UTS) ?
To improve the machinability of steel by its softening, it is subjected to __________________?
Bell metal is an alloy of __________________?