NYC Refrigeration License Exam I with all Correct & 100%
Verified Answers |Latest Version |Already Graded A+
1. The efficiency of the refrigerant cycle is
Lowering the
affected by the operation of the condenser.
condenser pressure
Of the following, a more efficient centrifugal
compressor operation re- sults from:
2. The heat removed from the refrigerant in a condenser Sensible and
latent heat
is:
3. The refrigerant unit that you have been assigned to is Are
approved by the
being taken out of service for a major repair. You have US
Department of Trans-
been assigned to withdraw refrigerant for portation
storage in suitable containers. According to
the New York City fire code, you must
ensure the containers:
4. Which of the following best describes how the cylinder Keep the
suction valve
unloader works? 8. The type of
refrigerant
system
that is
5. In most semi hermetic compressors, the least likely
suction va- por is used to: to leak
refrigerant
6. The amount of refrigerant that flows through
into the
the ori- fices of an economizer is determined
building
by the:
space that
are being
7. The installation of an inline refrigerant cooled:
cleaning sys- tem is advisable:
1/
49
, NYC Refrigeration License Exam I with all Correct & 100%
Verified Answers |Latest Version |Already Graded A+
ened while the com- pressor is in the return stroke
ols the motor
tterence between the high side and low side pressure
remove impurities from the system
e indirect system
2/
49
, NYC Refrigeration License Exam I with all Correct & 100%
Verified Answers |Latest Version |Already Graded A+
9. The suction pressure of a reciprocating 1.69
compressor is 65 PSIG. The discharge pressure
is 120 PSIG. The atmospheric is 14.7 PSI. The
compression ratio for the given condition is
closest to:
10. A superheated vapor is a: Dry vapor above the
satu- ration
temperature
11. A refrigerant engineer verifies that a condenser water A faulty
cooling tower wa-
pump is cavitating. Of the following the most ter level controller
likely cause for this condition is:
12. A centrifugal water pump is known as a lift The water supply to the
pump when the: pump suction inlet is
be- low the pump
level
13. A TXV is used to maintain constant: Evaporator superheat
14. The chilled water supply to the building is 55F. Yes, this temperature is
If the chiller is being used for human too high for human
comfort, should you be concerned about
com- fort purposes
this and why?
15. The packing gland of a centrifugal pump serves to: The drip part of
the pack-
ing gland gives
evidence that there is
water in the pump
16. Capacity control of a reciprocating hermetic compres- Operation of
the hot gas
3/
49
, NYC Refrigeration License Exam I with all Correct & 100%
Verified Answers |Latest Version |Already Graded A+
sor is typically achieved through bypass valve
17. The most important reason to sub-cool the refrigerant A pure liquid
refrigerant
in the condenser is to ensure will enter the metering
that: device
4/
49
Verified Answers |Latest Version |Already Graded A+
1. The efficiency of the refrigerant cycle is
Lowering the
affected by the operation of the condenser.
condenser pressure
Of the following, a more efficient centrifugal
compressor operation re- sults from:
2. The heat removed from the refrigerant in a condenser Sensible and
latent heat
is:
3. The refrigerant unit that you have been assigned to is Are
approved by the
being taken out of service for a major repair. You have US
Department of Trans-
been assigned to withdraw refrigerant for portation
storage in suitable containers. According to
the New York City fire code, you must
ensure the containers:
4. Which of the following best describes how the cylinder Keep the
suction valve
unloader works? 8. The type of
refrigerant
system
that is
5. In most semi hermetic compressors, the least likely
suction va- por is used to: to leak
refrigerant
6. The amount of refrigerant that flows through
into the
the ori- fices of an economizer is determined
building
by the:
space that
are being
7. The installation of an inline refrigerant cooled:
cleaning sys- tem is advisable:
1/
49
, NYC Refrigeration License Exam I with all Correct & 100%
Verified Answers |Latest Version |Already Graded A+
ened while the com- pressor is in the return stroke
ols the motor
tterence between the high side and low side pressure
remove impurities from the system
e indirect system
2/
49
, NYC Refrigeration License Exam I with all Correct & 100%
Verified Answers |Latest Version |Already Graded A+
9. The suction pressure of a reciprocating 1.69
compressor is 65 PSIG. The discharge pressure
is 120 PSIG. The atmospheric is 14.7 PSI. The
compression ratio for the given condition is
closest to:
10. A superheated vapor is a: Dry vapor above the
satu- ration
temperature
11. A refrigerant engineer verifies that a condenser water A faulty
cooling tower wa-
pump is cavitating. Of the following the most ter level controller
likely cause for this condition is:
12. A centrifugal water pump is known as a lift The water supply to the
pump when the: pump suction inlet is
be- low the pump
level
13. A TXV is used to maintain constant: Evaporator superheat
14. The chilled water supply to the building is 55F. Yes, this temperature is
If the chiller is being used for human too high for human
comfort, should you be concerned about
com- fort purposes
this and why?
15. The packing gland of a centrifugal pump serves to: The drip part of
the pack-
ing gland gives
evidence that there is
water in the pump
16. Capacity control of a reciprocating hermetic compres- Operation of
the hot gas
3/
49
, NYC Refrigeration License Exam I with all Correct & 100%
Verified Answers |Latest Version |Already Graded A+
sor is typically achieved through bypass valve
17. The most important reason to sub-cool the refrigerant A pure liquid
refrigerant
in the condenser is to ensure will enter the metering
that: device
4/
49
