Question 1

Alloy containing 70% nickel and 30% copper is known as

Accepted Answer

A)  hastalloy
B)  permalloy
C)  monel metal
D)  N-c alloyE) B) and C)
F) None of the above

Question 2

The lower portion of the moulding flasks are known as

Accepted Answer

A)  Cheek
B)  Cope
C)  DragD) A) and C)
E) All of the above

Question 3

Which of the following is a screen?

Accepted Answer

A)  Shovel
B)  Slick
C)  Riddle
D)  RearnerE) All of the above
F) A) and C)

Question 4

Which of the following operations improve wear resistance and mechanical properties of castings?

Accepted Answer

A)  Shot peening
B)  Chilling
C)  Nitriding
D)  All of the aboveE) A) and B)
F) B) and D)

Question 5

Pure iron melts at 1500°C. Presence of carbon

Accepted Answer

A)  does not change the melting point
B)  reduces the melting point
C)  increases the melting pointD) None of the above
E) All of the above

Exam 5: Casting and Foundry Technology

Which of the following is a screen?