Millwright - 2nd Year - Oxy-Fuel Equipment
and Procedures: Part A Exam Questions and
Answers with Verified Solutions | Latest
Updated 2026
What are the three hazardous rays 1. Visible light rays
produced by oxyacetylene heating, 2. Ultraviolet rays
brazing and cutting? 3. Infrared rays
How are the lenses for welding 1. Number
and 2. Color
cutting goggles identified?
Which lens color offers an Amber
advantage in aluminum brazing?
What are the best clothings 1. Leather
material 2. Wool
for welding? 3. Denim
4. Cotton
The protective quality of materials 5 parts borax
can be preserved by soaking 3 parts of boracic acid
clothes 5 gals of water
in the following:
, What should be avoided using on Fabric softener
cloths because it reduces the
ability
of material to repel sparks?
What are the three elements Heat, fuel and oxygen
needed
to start a fire?
What percentage of air is 21%
comprised
of oxygen?
What class of fire would wood and Class A
paper fall under?
What class of fire would flammable Class B
liquids fall under?
What class of fire would electrical Class C
fall under?
What class of fire would Class D
combustible
metals fall under?
What type of extinguishing Carbon dioxide, dry chemical, and
medium multi-purpose
would be used on a Class B fire?
and Procedures: Part A Exam Questions and
Answers with Verified Solutions | Latest
Updated 2026
What are the three hazardous rays 1. Visible light rays
produced by oxyacetylene heating, 2. Ultraviolet rays
brazing and cutting? 3. Infrared rays
How are the lenses for welding 1. Number
and 2. Color
cutting goggles identified?
Which lens color offers an Amber
advantage in aluminum brazing?
What are the best clothings 1. Leather
material 2. Wool
for welding? 3. Denim
4. Cotton
The protective quality of materials 5 parts borax
can be preserved by soaking 3 parts of boracic acid
clothes 5 gals of water
in the following:
, What should be avoided using on Fabric softener
cloths because it reduces the
ability
of material to repel sparks?
What are the three elements Heat, fuel and oxygen
needed
to start a fire?
What percentage of air is 21%
comprised
of oxygen?
What class of fire would wood and Class A
paper fall under?
What class of fire would flammable Class B
liquids fall under?
What class of fire would electrical Class C
fall under?
What class of fire would Class D
combustible
metals fall under?
What type of extinguishing Carbon dioxide, dry chemical, and
medium multi-purpose
would be used on a Class B fire?
