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Cemented Carbides - Powder Metallurgy MCQ Questions

Cemented Carbides MCQs : Here you will find MCQ Questions related to "Cemented Carbides" in Powder Metallurgy. These Cemented Carbides MCQ Questions Will help you to improve your Powder Metallurgy knowledge and will prepare you for various Examinations like Competitive Exams, Placements, Interviews and other Entrance Exmaniations




Question 1

Cemented carbide is a soft material used extensively as cutting tool material.

A. TRUE
B. FALSE
C. Can be true or false
D. Can not say

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Question 2

Cemented carbides commonly use?

A. tungsten carbide
B. titanium carbide
C. tantalum carbide
D. All of the above

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Question 3

The first cemented carbide developed was tungsten carbide introduced in?

A. 1925
B. 1926
C. 1927
D. 1928

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Question 4

The process of combining the carbide particles with the binder is referred to as ?

A. HIP
B. SP
C. EC
D. QIS

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Question 5

The coefficient of thermal expansion of cemented tungsten carbide is found to vary with the amount of cobalt used as a metal binder

A. TRUE
B. FALSE
C. Can be true or false
D. Can not say

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Question 6

The modern production of hard metal is attributed to ________

A. Kieffer
B. Schroter
C. Schwarzkopf
D. Osram Studiegesellschaft

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Question 7

______ carbide alloys possess better resistance to diffusion wear under seizure conditions.

A. Medium-grained
B. Ultra-fine grained
C. Coarse-grained
D. Fine-grained

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Question 8

Cemented carbide grades can be classified into _____ groups, according to their density by using Hg as a buoyancy medium.

A. 5
B. 4
C. 3
D. 2

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Question 9

Which of the following is not a characteristic of cemented carbide cutting tools?

A. Extremely hard
B. Very brittle
C. High red hardness
D. Low red hardness

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Question 10

Recarburization is often necessary for carbide produced by the reaction of metal oxide with carbon.

A. TRUE
B. FALSE
C. Can be true or false
D. Can not say

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