RED SEAL EXAM PRACTICE 2 EXAM UPDATED QUESTIONS AND
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 - CORRECT 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") - CORRECT 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 - CORRECT 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 - CORRECT 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 - CORRECT 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 - CORRECT 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 - CORRECT 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 - CORRECT 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 - CORRECT 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. - CORRECT 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 - CORRECT 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 - CORRECT 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 - CORRECT ANSWER✅✅c) fiber gasket
What tool would you use to scribe large arcs circles?
a) trammel points
b) compass
c) divider
d) chalk line - CORRECT 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 - CORRECT ANSWER✅✅c) calipers
Which fuel gas would provide the greatest amount of heat energy for pre-heating?
a) propane
b) propylene
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 - CORRECT 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") - CORRECT 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 - CORRECT 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 - CORRECT 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 - CORRECT 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 - CORRECT 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 - CORRECT 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 - CORRECT 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 - CORRECT 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. - CORRECT 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 - CORRECT 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 - CORRECT 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 - CORRECT ANSWER✅✅c) fiber gasket
What tool would you use to scribe large arcs circles?
a) trammel points
b) compass
c) divider
d) chalk line - CORRECT 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 - CORRECT ANSWER✅✅c) calipers
Which fuel gas would provide the greatest amount of heat energy for pre-heating?
a) propane
b) propylene
