Corrosion resistance of steel is increased by addition of________________?

Byadmin January 29, 2019August 16, 2021

Corrosion resistance of steel is increased by addition of________________?

A. chromium and nickel
B. sulphur, phosphorus, lead
C. vanadium, aluminium
D. tungsten, molybdenum, vanadium, chromium
E. zinc

Engineering Materials | Mechanical Engineering

Nickel when added to copper improves

Question: Nickel when added to copper improves
[A].

machinability
[B].
hardness
[C].
hardness and strength
[D].
strength and ductility

Answer: Option B

Explanation:

No answer description available for this question.

Read More Nickel when added to copper improves
Engineering Materials

Annealing of white cast iron results in production of_________________?

Annealing of white cast iron results in production of_________________?

A. malleable iron
B. nodular iron
C. spheroidal iron
D. grey iron
E. none of the above

Read More Annealing of white cast iron results in production of_________________?
Engineering Materials

In which of the following cases, consideration of creep is important_________________?

In which of the following cases, consideration of creep is important_________________?

A. flywheel of steam engine
B. cast iron pipes”
C. cycle chains
D. gas turbine blades
E. piston I.C. engine

Read More In which of the following cases, consideration of creep is important_________________?
Engineering Materials | Mechanical Engineering

Duplex process of steel making is a combination of

Question: Duplex process of steel making is a combination of
[A].

basic bessemer and acid open hearth processes
[B].
acid bessemer and basic open hearth processes
[C].
acid bessemer and acid open hearth processes
[D].
basic bessemer and basic open hearth processes

Answer: Option B

Explanation:

No answer description available for this question.

Read More Duplex process of steel making is a combination of
Engineering Materials

Recrystallisation temperature can belowered by_________________?

Recrystallisation temperature can belowered by_________________?

A. purification of metal
B. grain refinement
C. working at lower temperature
D. all of the above
E. none of the above

Read More Recrystallisation temperature can belowered by_________________?
Engineering Materials | Mechanical Engineering

The catalysts are used to accelerate the chemical reaction during the process of ploymerisation of plastics.

Question: The catalysts are used to accelerate the chemical reaction during the process of ploymerisation of plastics.
[A].

True
[B].
False

Answer: Option A

Explanation:

No answer description available for this question.

Read More The catalysts are used to accelerate the chemical reaction during the process of ploymerisation of plastics.

Similar Posts