Engineering :: Engineering Materials
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141. |
Which process is used for machining parts to planned dimensions? |
A. |
Routing |
B. |
Shearadising |
C. |
Electroforming |
D. |
Swaging |
E. |
Anodizing |
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Answer: Option A
Explanation:
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142. |
Which process is used for joining parts or materials? |
A. |
Tumbling |
B. |
Parkerizing |
C. |
Swaging |
D. |
Extruding |
E. |
Sintering |
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Answer: Option E
Explanation:
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143. |
Cheek is |
A. |
Top surface of metal |
B. |
Physical property of metal |
C. |
Core of the welded joints in case of very thick material |
D. |
Non-ferrous coating on materials |
E. |
Intermediate flask between copes and drag |
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Answer: Option E
Explanation:
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144. |
The phenomenon of weld decay is found in |
A. |
Cast iron |
B. |
Brass |
C. |
Bronze |
D. |
Gun metal |
E. |
Stainless steel |
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Answer: Option E
Explanation:
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145. |
In pack-carburising carbon is supplied |
A. |
Through gas |
B. |
In the form of graphite |
C. |
In the form of charcoal |
D. |
In the form of hydrocarbons |
E. |
In the form of calcium carbide |
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Answer: Option C
Explanation:
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146. |
Age hardening is generally applicable to |
A. |
Cast iron |
B. |
Medium carbon steels |
C. |
High alloy steels |
D. |
Alloys of aluminium, magnesium, nickel etc |
E. |
Alloys of chromium, vanadium etc |
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Answer: Option D
Explanation:
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147. |
In induction hardening |
A. |
The voltage is high |
B. |
The current is high |
C. |
The frequency is high |
D. |
The power factor is high |
E. |
Only d.c. supply is used |
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Answer: Option C
Explanation:
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148. |
In flame hardening the flame used is |
A. |
A wick stove |
B. |
Oil burner |
C. |
Gas burner |
D. |
Oxy-acetylene |
E. |
Oxygene air |
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Answer: Option D
Explanation:
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149. |
Which process is used primarily to obtain surface finish |
A. |
Parkerizing |
B. |
Shining |
C. |
Broaching |
D. |
Electroforming |
E. |
Swaging |
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Answer: Option A
Explanation:
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150. |
Age hardening is related with |
A. |
Stainless steel |
B. |
Gun metal |
C. |
Duralumin |
D. |
Cast iron |
E. |
German silver |
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Answer: Option A
Explanation:
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