RED SEAL EXAM PRACTICE 2 QUESTIONS &
ANSWERS
What does 3F designate on a welding specification sheet?
a) flat fillet weld position
b) horizontal fillet weld position
c) vertical fillet weld position
d) overhead weld position - Answer -c) vertical fillet weld position
With the scale of a drawing at 1:5, what is the length of line on the drawing for a plate
length of 150 cm (59")?
a) 5 cm (2")
b) 15 cm (6")
c) 30 cm (12")
d) 75 cm (30") - Answer -c) 30 cm (12")
How many millimeters is equivalent in length to 6 ft - 3 1/2 inches? (25.4mm = 1")
a) 1300 mm
b) 1613 mm
c) 1918 mm
d) 1969 mm - Answer -c) 1918 mm
Which type of drawing would show all three sides equally and uses horizontal plan lines
at 30 degrees?
a) oblique
b) isometric
c) perspective
d) orthographic - Answer -b) isometric
Which metal is more likely to crack due to weld joint shrinkage?
a) stainless steel
b) copper
c) cast iron
d) carbon steel - Answer -c) cast iron
What type of material has a grain structure that appears very coarse and silvery?
a) aluminum
b) stainless steel
,c) grey cast iron
d) white cast iron - Answer -d) white cast iron
What is the best way to determine the composition of a metal so that it can be welded?
a) check the blue-print
b) check the mill test report
c) ask a co-worker
d) complete a spark test - Answer -b) check the mill test report
Which component of a welding machine changes AC current to DC current?
a) rectifier
b) resistor
c) conductor
d) capacitor - Answer -a) rectifier
what would the abbreviation RFSO mean on a material list?
a) reinforced fitting socket weld on
b) raised face slip on
c) reinforced fitting slide on
d) roll weld fitting slowly - Answer -b) raised face slip on
Which standard refers to welded steel construction using metal arc welding?
a) CSA Z662.
b) CSA W178.2
c) CSA W59.
d) CSA 47.1. - Answer -c) CSA W59.
When ultraviolet rays from the welding arc come into contact with chlorinated
hydrocarbon degreasers, what poisonous gas is created?
a) Ethylene dichloride gas
b) ozone
c) phosphine gas
d) phosgene gas - Answer -d) phosgene gas
When welding where the general public may be exposed to the rays of the arc, what
should the welder do?
a) proper screens and warning signs
b) rope off the area
c) inform the safety coordinator
, d) give a verbal warning before starting to weld - Answer -a) proper screens and
warning signs
What would be the best type of material to use for making a permanent template for
pipe?
a) newsprint paper
b) heavy cardboard
c) fiber gasket
d) sheet steel - Answer -c) fiber gasket
What tool would you use to scribe large arcs circles?
a) trammel points
b) compass
c) divider
d) chalk line - Answer -a) trammel points
What tool would give you the most accurate measurement to determine the wall
thickness of pipe?
a) tape measure
b) dividers
c) calipers
d) trammel points - Answer -c) calipers
Which fuel gas would provide the greatest amount of heat energy for pre-heating?
a) propane
b) propylene
c) natural gas
d) acetylene - Answer -a) propane
What would excessive drag lines indicate when oxy-fuel cutting?
a) the cutting tip size is too large
b) the oxygen pressure is too high
c) travel speed is too low
d) travel speed is too fast - Answer -d) travel speed is too fast
Which disc would be selected when using a 5" grinder that has a 10,000 rpm rating and
grinding on a flat side of the disc?
a) disc thickness 3/32", rated at 12,200 rpm
b) disc thickness 1/4", rated at 8600 rpm
c) disc thickness 1/16", rated at 10,000 rpm
ANSWERS
What does 3F designate on a welding specification sheet?
a) flat fillet weld position
b) horizontal fillet weld position
c) vertical fillet weld position
d) overhead weld position - Answer -c) vertical fillet weld position
With the scale of a drawing at 1:5, what is the length of line on the drawing for a plate
length of 150 cm (59")?
a) 5 cm (2")
b) 15 cm (6")
c) 30 cm (12")
d) 75 cm (30") - Answer -c) 30 cm (12")
How many millimeters is equivalent in length to 6 ft - 3 1/2 inches? (25.4mm = 1")
a) 1300 mm
b) 1613 mm
c) 1918 mm
d) 1969 mm - Answer -c) 1918 mm
Which type of drawing would show all three sides equally and uses horizontal plan lines
at 30 degrees?
a) oblique
b) isometric
c) perspective
d) orthographic - Answer -b) isometric
Which metal is more likely to crack due to weld joint shrinkage?
a) stainless steel
b) copper
c) cast iron
d) carbon steel - Answer -c) cast iron
What type of material has a grain structure that appears very coarse and silvery?
a) aluminum
b) stainless steel
,c) grey cast iron
d) white cast iron - Answer -d) white cast iron
What is the best way to determine the composition of a metal so that it can be welded?
a) check the blue-print
b) check the mill test report
c) ask a co-worker
d) complete a spark test - Answer -b) check the mill test report
Which component of a welding machine changes AC current to DC current?
a) rectifier
b) resistor
c) conductor
d) capacitor - Answer -a) rectifier
what would the abbreviation RFSO mean on a material list?
a) reinforced fitting socket weld on
b) raised face slip on
c) reinforced fitting slide on
d) roll weld fitting slowly - Answer -b) raised face slip on
Which standard refers to welded steel construction using metal arc welding?
a) CSA Z662.
b) CSA W178.2
c) CSA W59.
d) CSA 47.1. - Answer -c) CSA W59.
When ultraviolet rays from the welding arc come into contact with chlorinated
hydrocarbon degreasers, what poisonous gas is created?
a) Ethylene dichloride gas
b) ozone
c) phosphine gas
d) phosgene gas - Answer -d) phosgene gas
When welding where the general public may be exposed to the rays of the arc, what
should the welder do?
a) proper screens and warning signs
b) rope off the area
c) inform the safety coordinator
, d) give a verbal warning before starting to weld - Answer -a) proper screens and
warning signs
What would be the best type of material to use for making a permanent template for
pipe?
a) newsprint paper
b) heavy cardboard
c) fiber gasket
d) sheet steel - Answer -c) fiber gasket
What tool would you use to scribe large arcs circles?
a) trammel points
b) compass
c) divider
d) chalk line - Answer -a) trammel points
What tool would give you the most accurate measurement to determine the wall
thickness of pipe?
a) tape measure
b) dividers
c) calipers
d) trammel points - Answer -c) calipers
Which fuel gas would provide the greatest amount of heat energy for pre-heating?
a) propane
b) propylene
c) natural gas
d) acetylene - Answer -a) propane
What would excessive drag lines indicate when oxy-fuel cutting?
a) the cutting tip size is too large
b) the oxygen pressure is too high
c) travel speed is too low
d) travel speed is too fast - Answer -d) travel speed is too fast
Which disc would be selected when using a 5" grinder that has a 10,000 rpm rating and
grinding on a flat side of the disc?
a) disc thickness 3/32", rated at 12,200 rpm
b) disc thickness 1/4", rated at 8600 rpm
c) disc thickness 1/16", rated at 10,000 rpm
