Addition of silicon to cast iron ___________________?
Correct answer: D. Increases the fluidity of molten metal
- A. Promotes graphite module formation
- B. Improves its ductility
- C. Does not promote graphite flakes formation
- D. Increases the fluidity of molten metal
Explanation
Silicon is a graphitising element in cast iron and also improves the fluidity of the molten metal. Among the listed choices, the direct and standard effect is increased fluidity.
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 elastic strain energy of a unit length of an edge dislocation as compared to that of a screw dislocation is____________________?
The materials which fracture even at small strains are termed as brittle, while those materials which exhibit an appreciable deformation before failure are termed as__________________?
Fibrous fracture is normally encountered in the ____________________ materials?
______________________ is used as a material of construction for the blade of power saw ?
The capacity of a spring to store energy is called the spring form co-efficient. Stiffness of a spring is measured by the____________________?
Out of the following, the best material capable of withstanding shock & vibration without the danger of cracking is ___________________?