For soldering of brass and copper, the flux used is
A) Zinc chloride
B) Hydrochloric acid
C) Cupric acid
D) Ammonium chloride
E) None of the above
Correct Answer:
Verified
Q11: Gold ornaments are generally produced by
A)Pressed casting
B)Slush
Q12: In manufacturing ERW tube the type of
Q13: To clean a hand file
A)It is rubbed
Q14: During MIG welding the metal is transferred
Q15: In Rockwell test for hardness on B
Q17: During metal cutting operation on machine tools,
Q18: The purpose of an automatic process control
Q19: Which of the following process has highest
Q20: Cold heading is a process of
A)Electro-machining process
B)Explosive
Q21: For soft steel the cutting speed for
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