Which of the following alloys does not have copper as one of the constituents________________?

Related Mcqs:

Maximum percentage of carbon in austenite is______________?

A. 0.025% B. 0.26% C. 0.8% D. 1.25% E. 1.7%....

Vanadium in high speed steels__________________?

A. promotes decarburisation B. provides high hot hardness C. forms very hard carbides and thus in-creases wear resistance D. promotes retention of austenite E. increases toughness...

A reversible change in the atomic structure of the steel with a corresponding change in the properties is known as_________________?

A. allotropic change B. recrystallisation C. heat treatment D. precipitation E. austempering...

Ductility of a material can be defined as__________________?

A. ability to undergo large permanent deformations in compression B. ability to recover its original form C. ability to undergo large permanent deformations in tension D. all of the above E. none of the above...

Malleable cast iron _________________?

A. contains l.7 to 3.5% carbon in free state and is obtained by the slow cooling of molten cast iron B. is also known as chilled cast iron and is obtained by cooling rapidly. It is almost unmachinable C. is produced by annealing process. It is soft, tough, and easily machined metal D. is produced … Malleable cast iron _________________?Read More...