WELDING MCQ-03

Q.1 In resistance welding, the voltage used for heating is ____.

A. 550 V

B. 200 V

C. 10 V

D. 100 V

Ans-: C

Q.2 The forge welding is best suited for which material?

A. High carbon steel

B. Wrought iron

C. Cast iron

D. High speed steel

Ans-: B

Q.3 For which material, preheating is essential in welding process?

A. Cast iron

B. Stainless steel

C. High speed steel

D. Aluminum

Ans-: A

Q.4 which welding process is best for grey cast iron?

A. Tungsten inert gas

B. Metal inert gas

C. Arc

D. Oxy-acetylene

Ans-: D

Q.5 Laser welding finds widest application in which industry?

A. Process industry

B. Heavy industry

C. Structural industry

D. Electronic industry

Ans-: D

Q.6 In welding process , edge preparation is not required upto what thickness of plate?

A. 8 mm

B. 4 mm

C. 10 mm

D. 5 mm

Ans-: B

Q.7 The phenomenon of weld decay occurs in which material?

A. Carbon steel

B. Stainless steel

C. Brass

D. Cast iron

Ans-: B

Q.8 In which type of welding any type of confi-guration can be welded?

A. Arc 

B. Metal inert gas

C. Friction

D. TIG

Ans-: C

Q.9 Grey cast iron is usually welded by ____.

A. Arc welding

B. Gas welding

C. Friction welding

D. Metal inert gas welding

Ans-: B

Q.10 TIG welding is best suited for which material ?

A. Aluminum

B. Cast iron

C. Silver

D. Gold

Ans-: A