RED SEAL EXAM PRACTICE 1 QUESTIONS &
ANSWERS
The system of classification adopted by the SAE and AISI uses and index where the
number 7 refers to:
a) chromium steels
b) nickel chromium steels
c) tungsten chromium steels
d) plain carbon steels - Answer -c) tungsten chromium steels
Compared to low carbon steel, stainless steel has a lower coefficient of thermal
expansion
a) True
b) False - Answer -b) False
In the production of iron and steel, the blast furnace is the ___________ step in
separating the iron from the oxygen
a) fourth
b) third
c) second
d) first - Answer -d) first
Who is responsible to ensure the apprenticeship record book is kept up to date?
a) the employer
b) the apprenticeship branch
c) the apprentice
d) the technical trainer - Answer -c) the apprentice
The suggested tack weld length for doing SMAW welds on 150 mm diameter 9.6 mm
thickness mild steel pipe is:
a) 5mm to 10mm
b) 10mm to 15mm
c) 13mm to 19mm
d) 19mm to 25mm - Answer -c) 13mm to 19mm
A corer letter should accompany your resume when applying for a job. The purpose of
the cover letter is to:
a) showcase yourself and your suitability for the job
,b) make sure your resume gets to the correct people
c) explain some of the vague generalities of your work experience
d) make your resume appear to be longer and more important - Answer -a) showcase
yourself and your suitability for the job
The maximum safe working pressure for acetylene is _______ kPa
a) 200
b) 193
c) 159
d) 103 - Answer -d) 103
Using the AISI classification system, which series of stainless steel can be either Ferritic
or Martensitic?
a) 200 series
b) 300 series
c) 400 series
d) 500 series - Answer -c) 400 series
Steel must be _________ by adding manganese, silicon or aluminum
a) oxygenized
b) de-oxygenized
c) hydrated
d) nitrated - Answer -b) de-oxygenized
Chromium steels
a) are used for tubing in highly stressed aircraft parts
b) have increased strength and brittleness
c) to some extent have atmospheric corrosion resistance
d) is commonly used for low pressure piping at elevated temperatures - Answer -c) to
some extent have atmospheric corrosion resistance
Using the flame test the molten puddle from Aluminum will appear
a) fluid under slag film
b) as a shiny surface directly under the flame
c) the same colour as the unheated metal
d) bright luminescent - Answer -c) the same colour as the unheated metal
When welding nickel alloy materials of a thickness more that 10mm which type of joint is
recommended?
a) Lapp joint
, b) V-groove butt joint
c) Clad joint
d) Back joint - Answer -b) V-groove butt joint
What does the letter "M" refer to in the system of electrode classification established by
AWS specification A5.5 and CSA standard W48.3?
a) military specifications electrodes
b) carbon molybdenum electrodes
c) nickel steel electrodes
d) chromium molybdenum electrodes - Answer -a) military specifications electrodes
A __________ is an electrical device that interrupts the flow of current at a low value
thereby protecting people from electrical shock
a) federal pioneer circuit breaker
b) ground fault circuit interrupter
c) silicon controlled rectifier
d) ground are fault device - Answer -b) ground fault circuit interrupter
If a welder is wearing safety glasses they must be revoked before alternate face
protection can be used.
a) true
b) false - Answer -b) false
What unit is used to express heat?
a) Watts
b) fahrenheit
c) degree
d) btu - Answer -d) btu
Oxy-fuel cutting process can be described as a form of
a) oxygen deprived welding
b) corrosion
c) plasma are welding
d) rapid oxidation - Answer -d) rapid oxidation
A combination square consists of a steel ruler blade and
a) square head, center head and a bevel protractor
b) bevel compass, blade and a square head
c) soapstone marker, compass and a center head
ANSWERS
The system of classification adopted by the SAE and AISI uses and index where the
number 7 refers to:
a) chromium steels
b) nickel chromium steels
c) tungsten chromium steels
d) plain carbon steels - Answer -c) tungsten chromium steels
Compared to low carbon steel, stainless steel has a lower coefficient of thermal
expansion
a) True
b) False - Answer -b) False
In the production of iron and steel, the blast furnace is the ___________ step in
separating the iron from the oxygen
a) fourth
b) third
c) second
d) first - Answer -d) first
Who is responsible to ensure the apprenticeship record book is kept up to date?
a) the employer
b) the apprenticeship branch
c) the apprentice
d) the technical trainer - Answer -c) the apprentice
The suggested tack weld length for doing SMAW welds on 150 mm diameter 9.6 mm
thickness mild steel pipe is:
a) 5mm to 10mm
b) 10mm to 15mm
c) 13mm to 19mm
d) 19mm to 25mm - Answer -c) 13mm to 19mm
A corer letter should accompany your resume when applying for a job. The purpose of
the cover letter is to:
a) showcase yourself and your suitability for the job
,b) make sure your resume gets to the correct people
c) explain some of the vague generalities of your work experience
d) make your resume appear to be longer and more important - Answer -a) showcase
yourself and your suitability for the job
The maximum safe working pressure for acetylene is _______ kPa
a) 200
b) 193
c) 159
d) 103 - Answer -d) 103
Using the AISI classification system, which series of stainless steel can be either Ferritic
or Martensitic?
a) 200 series
b) 300 series
c) 400 series
d) 500 series - Answer -c) 400 series
Steel must be _________ by adding manganese, silicon or aluminum
a) oxygenized
b) de-oxygenized
c) hydrated
d) nitrated - Answer -b) de-oxygenized
Chromium steels
a) are used for tubing in highly stressed aircraft parts
b) have increased strength and brittleness
c) to some extent have atmospheric corrosion resistance
d) is commonly used for low pressure piping at elevated temperatures - Answer -c) to
some extent have atmospheric corrosion resistance
Using the flame test the molten puddle from Aluminum will appear
a) fluid under slag film
b) as a shiny surface directly under the flame
c) the same colour as the unheated metal
d) bright luminescent - Answer -c) the same colour as the unheated metal
When welding nickel alloy materials of a thickness more that 10mm which type of joint is
recommended?
a) Lapp joint
, b) V-groove butt joint
c) Clad joint
d) Back joint - Answer -b) V-groove butt joint
What does the letter "M" refer to in the system of electrode classification established by
AWS specification A5.5 and CSA standard W48.3?
a) military specifications electrodes
b) carbon molybdenum electrodes
c) nickel steel electrodes
d) chromium molybdenum electrodes - Answer -a) military specifications electrodes
A __________ is an electrical device that interrupts the flow of current at a low value
thereby protecting people from electrical shock
a) federal pioneer circuit breaker
b) ground fault circuit interrupter
c) silicon controlled rectifier
d) ground are fault device - Answer -b) ground fault circuit interrupter
If a welder is wearing safety glasses they must be revoked before alternate face
protection can be used.
a) true
b) false - Answer -b) false
What unit is used to express heat?
a) Watts
b) fahrenheit
c) degree
d) btu - Answer -d) btu
Oxy-fuel cutting process can be described as a form of
a) oxygen deprived welding
b) corrosion
c) plasma are welding
d) rapid oxidation - Answer -d) rapid oxidation
A combination square consists of a steel ruler blade and
a) square head, center head and a bevel protractor
b) bevel compass, blade and a square head
c) soapstone marker, compass and a center head