Question 1

one of the following is main disadvantage of flame hardeing process of nsurface hardeing?

Accepted Answer

A) possibility of over heating and grain growth 
B) close control over case depth is not possible 
C) mostly suitable or symmetri components only 
D) all of the above 
A) possibility of over heating and grain growth 
B) close control over case depth is not possible 
C) mostly suitable or symmetri components only 
D) all of the above D

Question 2

the pearlitic microstructure which is obtain after patenting process is suitable to which manufacturing process

Accepted Answer

A) casting of cylindrical block 
B) forging of cam shaft 
C) drawing of wires 
D) all of the above 
A) casting of cylindrical block 
B) forging of cam shaft 
C) drawing of wires 
D) all of the above C

Question 3

for induction hardening process,the heat source is a …..

Accepted Answer

A) induction coil carrying current 
B) heating coil carrying current 
C) metallic probes carrying current 
D) none of the above 
A) induction coil carrying current 
B) heating coil carrying current 
C) metallic probes carrying current 
D) none of the above A

Question 4

dispersion hardening materials can be produced with the help of ……process

Accepted Answer

A) forging 
B) rolling 
C) powder metallurgy 
D) none of the above 
A) forging 
B) rolling 
C) powder metallurgy 
D) none of the above

Question 5

out of the following methods ,one is method used flame hardening process?

Accepted Answer

A) stationary method 
B) circular and progressive method 
C) spiral and progressive method 
D) all of the above 
A) stationary method 
B) circular and progressive method 
C) spiral and progressive method 
D) all of the above

Question 6

Due to one of the reason given below,give rise to quench cracking?

Accepted Answer

A) improper quenching medium 
B) improper selection of steel 
C) improper design of component 
D) all of the above 
A) improper quenching medium 
B) improper selection of steel 
C) improper design of component 
D) all of the above

one of the following is main disadvantage of flame hardeing process of nsurface hardeing?

the pearlitic microstructure which is obtain after patenting process is suitable to which manufacturing process

for induction hardening process,the heat source is a …..

dispersion hardening materials can be produced with the help of ……process

out of the following methods ,one is method used flame hardening process?

Due to one of the reason given below,give rise to quench cracking?

Heat Treatment Processes for Steel

Heat Treatment Processes and Transformation Products of Austenite

Heat Treatment Processes and Hardening Techniques for Metals and Alloys

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Exam 4: Hardening Processes and Materials

one of the following is main disadvantage of flame hardeing process of nsurface hardeing?

the pearlitic microstructure which is obtain after patenting process is suitable to which manufacturing process

for induction hardening process,the heat source is a …..

dispersion hardening materials can be produced with the help of ……process

out of the following methods ,one is method used flame hardening process?

Due to one of the reason given below,give rise to quench cracking?

Heat Treatment Processes for Steel

Heat Treatment Processes and Transformation Products of Austenite

Heat Treatment Processes and Hardening Techniques for Metals and Alloys

Filters