2
CIRO CRO Chapter 1 Exam with verified detailed answers
|| || || || || || || ||
What is NOT mechanical integrity
|| || || ||
A. Housekeeping
||
B. Inspections / Tests
|| || ||
C. Permit Process
|| ||
D. Preventative and Predictive
|| || ||
C. Permit Process
|| ||
What is the common acronym for best practices
|| || || || || || ||
A. IIAR
||
B. RAGAGEP
||
C. ASHRAE
||
D. ASME
||
B. RAGAGEP
||
What is CUI
|| ||
A. Corrosion under insulation
|| || ||
B. Compressor under isolation
|| || ||
C. Condenser under isolation
|| || ||
D. None of the above
|| || || ||
A. Corrosion under insulation
|| || ||
,2
What is CUPL || ||
A. Corrosion under pipe label
|| || || ||
B. Compressor under isolation and locked
|| || || || ||
C. Condenser under isolation and locked
|| || || || ||
D. None of the above
|| || || ||
A. Corrosion under pipe label
|| || || ||
How much pipe loss is allowed by IIAR before they recommend subjective analysis
|| || || || || || || || || || || ||
A. 5%
||
B. 10%
||
C. 15%
||
D. 20%
||
B. 10%
||
When taking an up-charge of ammonia, what is the most water concentration that should
|| || || || || || || || || || || || || ||
be in the ammonia to be called anhydrous or refrigeration grade ammonia
|| || || || || || || || || || ||
A. 100PPM
||
B. 500PPM
||
C. 1,000PPM
||
D. 5,000PPM
||
B. 500PPM
||
,2
When water increases in concentration in the ammonia it will cause many undesirable
|| || || || || || || || || || || || ||
conditions; what will happen to SAT temperature?|| || || || || ||
A. Rise compared to SAT charts
|| || || || ||
B. Lower compared to SAT charts
|| || || || ||
C. Stay the same
|| || ||
D. Depends on the pressure, sometimes rises and sometimes lowers based upon SAT charts
|| || || || || || || || || || || || ||
A. Rise compared to SAT charts
|| || || || ||
What is NOT a non-destructive test (NDT) technique used in mechanical integrity
|| || || || || || || || || || || ||
inspections
A. Infrared
||
B. Ultrasonic
||
C. Radiographic
||
D. Phychrometric
||
D. Phychrometric
||
Which one below is NOT a factor of heat transfer
|| || || || || || || || ||
A. Temperature difference
|| ||
B. Density of material
|| || ||
C. Thermal conductivity
|| ||
D. Surface area
|| ||
B. Density of material
|| || ||
, 2
Thermal conductivity also known as 'K' value is
|| || || || || || ||
A. A scientific measurement to the number of BTUs that will pass in one hour, through a
|| || || || || || || || || || || || || || || || ||
material 1" thick, with an area of 1ft2, if the temperature difference from one side to the
|| || || || || || || || || || || || || || || || ||
other is 1deg F
|| || ||
B. Exactly the same results for all material
|| || || || || || ||
C. A measure of total energy
|| || || || ||
D. A theoretical measurement used to calculate discharge temperatures
|| || || || || || || ||
A. A scientific measurement to the number of BTUs that will pass in one hour, through a
|| || || || || || || || || || || || || || || || ||
material 1" thick, with an area of 1ft2, if the temperature difference from one side to the
|| || || || || || || || || || || || || || || || ||
other is 1deg F
|| || ||
Which one of these would be a better resistor to heat transfer
|| || || || || || || || || || ||
A. Steel
||
B. Aluminum
||
C. Stainless steel
|| ||
D. Saw dust
|| ||
D. Saw dust
|| ||
Understanding the 'U' factor means that a good operator will || || || || || || || || ||
A. Only consider if the system is maintaining temperature
|| || || || || || || ||
B. Make sure there is no impeding substance such as ice, dirt, oil on the surface of the heat
|| || || || || || || || || || || || || || || || || || ||
exchangers daily ||
C. Use maximum airflow across the coil
|| || || || || ||
B. Make sure there is no impeding substance such as ice, dirt, oil on the surface of the heat
|| || || || || || || || || || || || || || || || || || ||
exchangers daily ||
CIRO CRO Chapter 1 Exam with verified detailed answers
|| || || || || || || ||
What is NOT mechanical integrity
|| || || ||
A. Housekeeping
||
B. Inspections / Tests
|| || ||
C. Permit Process
|| ||
D. Preventative and Predictive
|| || ||
C. Permit Process
|| ||
What is the common acronym for best practices
|| || || || || || ||
A. IIAR
||
B. RAGAGEP
||
C. ASHRAE
||
D. ASME
||
B. RAGAGEP
||
What is CUI
|| ||
A. Corrosion under insulation
|| || ||
B. Compressor under isolation
|| || ||
C. Condenser under isolation
|| || ||
D. None of the above
|| || || ||
A. Corrosion under insulation
|| || ||
,2
What is CUPL || ||
A. Corrosion under pipe label
|| || || ||
B. Compressor under isolation and locked
|| || || || ||
C. Condenser under isolation and locked
|| || || || ||
D. None of the above
|| || || ||
A. Corrosion under pipe label
|| || || ||
How much pipe loss is allowed by IIAR before they recommend subjective analysis
|| || || || || || || || || || || ||
A. 5%
||
B. 10%
||
C. 15%
||
D. 20%
||
B. 10%
||
When taking an up-charge of ammonia, what is the most water concentration that should
|| || || || || || || || || || || || || ||
be in the ammonia to be called anhydrous or refrigeration grade ammonia
|| || || || || || || || || || ||
A. 100PPM
||
B. 500PPM
||
C. 1,000PPM
||
D. 5,000PPM
||
B. 500PPM
||
,2
When water increases in concentration in the ammonia it will cause many undesirable
|| || || || || || || || || || || || ||
conditions; what will happen to SAT temperature?|| || || || || ||
A. Rise compared to SAT charts
|| || || || ||
B. Lower compared to SAT charts
|| || || || ||
C. Stay the same
|| || ||
D. Depends on the pressure, sometimes rises and sometimes lowers based upon SAT charts
|| || || || || || || || || || || || ||
A. Rise compared to SAT charts
|| || || || ||
What is NOT a non-destructive test (NDT) technique used in mechanical integrity
|| || || || || || || || || || || ||
inspections
A. Infrared
||
B. Ultrasonic
||
C. Radiographic
||
D. Phychrometric
||
D. Phychrometric
||
Which one below is NOT a factor of heat transfer
|| || || || || || || || ||
A. Temperature difference
|| ||
B. Density of material
|| || ||
C. Thermal conductivity
|| ||
D. Surface area
|| ||
B. Density of material
|| || ||
, 2
Thermal conductivity also known as 'K' value is
|| || || || || || ||
A. A scientific measurement to the number of BTUs that will pass in one hour, through a
|| || || || || || || || || || || || || || || || ||
material 1" thick, with an area of 1ft2, if the temperature difference from one side to the
|| || || || || || || || || || || || || || || || ||
other is 1deg F
|| || ||
B. Exactly the same results for all material
|| || || || || || ||
C. A measure of total energy
|| || || || ||
D. A theoretical measurement used to calculate discharge temperatures
|| || || || || || || ||
A. A scientific measurement to the number of BTUs that will pass in one hour, through a
|| || || || || || || || || || || || || || || || ||
material 1" thick, with an area of 1ft2, if the temperature difference from one side to the
|| || || || || || || || || || || || || || || || ||
other is 1deg F
|| || ||
Which one of these would be a better resistor to heat transfer
|| || || || || || || || || || ||
A. Steel
||
B. Aluminum
||
C. Stainless steel
|| ||
D. Saw dust
|| ||
D. Saw dust
|| ||
Understanding the 'U' factor means that a good operator will || || || || || || || || ||
A. Only consider if the system is maintaining temperature
|| || || || || || || ||
B. Make sure there is no impeding substance such as ice, dirt, oil on the surface of the heat
|| || || || || || || || || || || || || || || || || || ||
exchangers daily ||
C. Use maximum airflow across the coil
|| || || || || ||
B. Make sure there is no impeding substance such as ice, dirt, oil on the surface of the heat
|| || || || || || || || || || || || || || || || || || ||
exchangers daily ||
