Millwright Level 4 Final Prep Exam
with Verified Detailed Answers
Fire extinguishers involving electrical equipment have the letter?
A. C
B. D
C. A
D. B -
correct answer ✅A. C
A class B fire extinguisher is for?
A. wood and paper fires
B. electrical fires
C. magnesium fires
D. oil and gas fires -
correct answer ✅D. oil and gas fires
A material safety data sheet must be reviewed
A. once a year
B. once every three years or sooner
C. at the discretion of the plant safety supervisor
D.every five years -
correct answer ✅B. once every three years or sooner
,Millwright Level 4 Final Prep Exam
with Verified Detailed Answers
how many workerss can perform the initial lockout in a key box
system?
A. one
B. three
C. four
D. two -
correct answer ✅D. two
A class "ABC" fire extingusher would contain?
A. co2
B. water
C. dry chemical
D. foam -
correct answer ✅C. dry chemical
A class "B" fire extinguisher is identified by a?
A. green circle
B. yellow star
C. red square
,Millwright Level 4 Final Prep Exam
with Verified Detailed Answers
D. green square -
correct answer ✅C. red square
An identifying feature of a CO2 fire extinguisher is?
A. it is silver in colour
B. it has a large nozzle on the end of its hose
C. it has a yellow star stamped on its side
D. it has two pressure gauges -
correct answer ✅B. it has a large nozzle on the end of its hose
Fire protection sprinklers and smoke detectors must be shielded if
you are cutting within what distance?
A. 1.0M
B. 1.5M
C. 2.0M
D. .5M -
correct answer ✅A. 1.0M
what is the maximum allowable air pressure to blow off your
coveralls?
A. 1 psi
, Millwright Level 4 Final Prep Exam
with Verified Detailed Answers
B. 5 psi
C. 10 psi
D. 20 psi -
correct answer ✅C. 10 psi
If a positive sealing device is used to seal the key box, what
information mist be included on the check list?
A. the date on the seal
B. the serial number on the seal
C. the number of workers on the equipment
D.the number of individual lockouts -
correct answer ✅B. the serial number on the seal
when is a lock required on plugged in equipment?
A. if the electrical cord is damaged or frayed
B. if the control of the plug cannot be maintained
C. when the machine is plugged into an extension cord
D. none of the above -
correct answer ✅B. if the control of the plug cannot be
maintained.
with Verified Detailed Answers
Fire extinguishers involving electrical equipment have the letter?
A. C
B. D
C. A
D. B -
correct answer ✅A. C
A class B fire extinguisher is for?
A. wood and paper fires
B. electrical fires
C. magnesium fires
D. oil and gas fires -
correct answer ✅D. oil and gas fires
A material safety data sheet must be reviewed
A. once a year
B. once every three years or sooner
C. at the discretion of the plant safety supervisor
D.every five years -
correct answer ✅B. once every three years or sooner
,Millwright Level 4 Final Prep Exam
with Verified Detailed Answers
how many workerss can perform the initial lockout in a key box
system?
A. one
B. three
C. four
D. two -
correct answer ✅D. two
A class "ABC" fire extingusher would contain?
A. co2
B. water
C. dry chemical
D. foam -
correct answer ✅C. dry chemical
A class "B" fire extinguisher is identified by a?
A. green circle
B. yellow star
C. red square
,Millwright Level 4 Final Prep Exam
with Verified Detailed Answers
D. green square -
correct answer ✅C. red square
An identifying feature of a CO2 fire extinguisher is?
A. it is silver in colour
B. it has a large nozzle on the end of its hose
C. it has a yellow star stamped on its side
D. it has two pressure gauges -
correct answer ✅B. it has a large nozzle on the end of its hose
Fire protection sprinklers and smoke detectors must be shielded if
you are cutting within what distance?
A. 1.0M
B. 1.5M
C. 2.0M
D. .5M -
correct answer ✅A. 1.0M
what is the maximum allowable air pressure to blow off your
coveralls?
A. 1 psi
, Millwright Level 4 Final Prep Exam
with Verified Detailed Answers
B. 5 psi
C. 10 psi
D. 20 psi -
correct answer ✅C. 10 psi
If a positive sealing device is used to seal the key box, what
information mist be included on the check list?
A. the date on the seal
B. the serial number on the seal
C. the number of workers on the equipment
D.the number of individual lockouts -
correct answer ✅B. the serial number on the seal
when is a lock required on plugged in equipment?
A. if the electrical cord is damaged or frayed
B. if the control of the plug cannot be maintained
C. when the machine is plugged into an extension cord
D. none of the above -
correct answer ✅B. if the control of the plug cannot be
maintained.
