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Mechanic Diesel
Mechanic Diesel Set-1
Arc and Gas Welding
10

Arc and Gas Welding MCQ with Answers

10) What is the colour of hose carrying acetylene?

Red

Black

Maroon

Peacock blue

Answer is:

Maroon

Explanation:

Maroon is the colour painted on the acetylene gas cylinders.

What is the colour of hose carrying acetylene?

Arc and Gas Welding MCQ with Answers

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Related Arc and Gas Welding MCQ with Answers

11) Which type of hardening used eddy current in the metal bar?

Flame hardening

Nitriding hardening

Induction hardening

Annealing hardening

Answer is:

Induction hardening

12) Which type of hardening used for cam shaft production?

Annealing

Carburising

Normalising

Induction hardening

Answer is:

Induction hardening

13) Which one is the heat treatment process?

Casting

Machining

Welding

Annealing

Answer is:

Annealing

14) Which quenching media applied in the flame hardening process?

Still air

Oil bath

Brine solution bath

Water spray

Answer is:

Water spray

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