Refrigeration operator level 1 Exam
Questions and Answers
The three main classifications of refrigeration compressors are - Answer- Reciprocating,
rotary, and centrifugal
The pressure ration of a refrigeration compressor can be calculated by dividing the -
Answer- Absolute discharge pressure by the absolute inlet pressure
Which of the following is not considered a rotary refrigeration compressor design -
Answer- Centrifugal
The ideal refrigerant should - Answer- Have a low ozone depleting potential and a low
global warming potential
The safety head of a refrigeration compressor is designed to - Answer- Relieve
pressure due to liquid in the cylinder
Which of the following statements about the shell and tube evaporator is false - Answer-
In a direct expansion chiller, the brine circulates through the tubes.
Which of the following is not a component of a closed cycle compression refrigeration
system - Answer- Absorber
In evaporator that can easily be cleaned and defrosted manually without interrupting the
cooling process is which type of evaporator - Answer- Plate surface evaporator
The amount of water used in an evaporative condenser is only a small percentage of
that used in a water-cooled condenser of the same capacity, because - Answer- The
cooling water evaporates, removing far more heat per kilogram of system coolant
Which ASME section details construction files for pressure vessels? - Answer- Section
VIII
The provinces and territories of Canada are referred to as a/an:
Select one:
a. Jurisdiction
b. Government
c. Authority
d. Body - Answer- jurisdictions
, This group of members of jurisdictional bodies meets at least annually answering to the
ACI they ensure that all Power Engineer examinations meet the requirements set by the
jurisdictional legislative bodies.
Select one:
a. ANSI
b. ACI
c. SOPEEC
d. IPECC
e. ASME - Answer- SOPEEC
In general all acts will have all of the following except - Answer- The designation of a
director or administrator and a description of their various responsibilities
One of the national standards which each jurisdiction in Canada has adopted as part of
their applicable Act and/or Regulations is the:
Select one:
a. ASME Codes
b. CSA B51
c. ANSI Codes
d. NFPA Codes - Answer- CSA B51
This regulation lists the requirements which must be met for anyone wishing to write an
applicable jurisdictional examination.
Select one:
a. Pressure Equipment Exemption Order
b. Pressure Equipment Safety Regulation
c. Pressure Welders Regulation
d. Power Engineers Regulation - Answer- Power Engineers Regulation
It's much easier to have changes made to a ________, than it is to have changes made
to an Act. - Answer- Regulation
Which section of CSA B52 details refrigerant classification - Answer- Section 1
What is one of the two main purposes of the CSA B-52 code? - Answer- To promote
uniform requirements among the provinces and territories
Which ASME code details refrigeration piping and heat transfer components - Answer-
ASME B31.5
It is the employer's responsibility to _______ personal protective equipment - Answer-
Supply and ensure usage of
The ignition temperature of a fuel/air mixture is the - Answer- Lowest temperature at
which a mixture will burn.
Questions and Answers
The three main classifications of refrigeration compressors are - Answer- Reciprocating,
rotary, and centrifugal
The pressure ration of a refrigeration compressor can be calculated by dividing the -
Answer- Absolute discharge pressure by the absolute inlet pressure
Which of the following is not considered a rotary refrigeration compressor design -
Answer- Centrifugal
The ideal refrigerant should - Answer- Have a low ozone depleting potential and a low
global warming potential
The safety head of a refrigeration compressor is designed to - Answer- Relieve
pressure due to liquid in the cylinder
Which of the following statements about the shell and tube evaporator is false - Answer-
In a direct expansion chiller, the brine circulates through the tubes.
Which of the following is not a component of a closed cycle compression refrigeration
system - Answer- Absorber
In evaporator that can easily be cleaned and defrosted manually without interrupting the
cooling process is which type of evaporator - Answer- Plate surface evaporator
The amount of water used in an evaporative condenser is only a small percentage of
that used in a water-cooled condenser of the same capacity, because - Answer- The
cooling water evaporates, removing far more heat per kilogram of system coolant
Which ASME section details construction files for pressure vessels? - Answer- Section
VIII
The provinces and territories of Canada are referred to as a/an:
Select one:
a. Jurisdiction
b. Government
c. Authority
d. Body - Answer- jurisdictions
, This group of members of jurisdictional bodies meets at least annually answering to the
ACI they ensure that all Power Engineer examinations meet the requirements set by the
jurisdictional legislative bodies.
Select one:
a. ANSI
b. ACI
c. SOPEEC
d. IPECC
e. ASME - Answer- SOPEEC
In general all acts will have all of the following except - Answer- The designation of a
director or administrator and a description of their various responsibilities
One of the national standards which each jurisdiction in Canada has adopted as part of
their applicable Act and/or Regulations is the:
Select one:
a. ASME Codes
b. CSA B51
c. ANSI Codes
d. NFPA Codes - Answer- CSA B51
This regulation lists the requirements which must be met for anyone wishing to write an
applicable jurisdictional examination.
Select one:
a. Pressure Equipment Exemption Order
b. Pressure Equipment Safety Regulation
c. Pressure Welders Regulation
d. Power Engineers Regulation - Answer- Power Engineers Regulation
It's much easier to have changes made to a ________, than it is to have changes made
to an Act. - Answer- Regulation
Which section of CSA B52 details refrigerant classification - Answer- Section 1
What is one of the two main purposes of the CSA B-52 code? - Answer- To promote
uniform requirements among the provinces and territories
Which ASME code details refrigeration piping and heat transfer components - Answer-
ASME B31.5
It is the employer's responsibility to _______ personal protective equipment - Answer-
Supply and ensure usage of
The ignition temperature of a fuel/air mixture is the - Answer- Lowest temperature at
which a mixture will burn.
