FDNY Z51 RMO PRACTICE QUESTIONS AND
DETAILED SOLUTIONS
◉ of the following, the major advantage of a shell and coil condenser
is.
Answer: there is less danger of developing leaks
◉ an engineer needs to vary the flow of refrigerant in a refrigeration
system, which operation in the flow of the system does not include.
Answer: solenoid valve
◉ thermal bull is attached to the suction plate between the
evaporator cokl and the compressor by an insulated line. assume
that the machine room is 85deg f . break down of the insulation
results in:.
Answer: flood the evaporator
◉ water and moisture is serious problem in a refrigerant system
how to avoid.
Answer: proper evaluation at the charging of the system
, ◉ while on duty a refrigeration engineer notic That the suction line
to the compressor and part of the compressor itself is frosted over
the following the most likely reason for this condition would be.
Answer: There is not enough Refrigerant in the system
◉ While doing a routine inspection the engineer notices the bulb of
the TXV on the floor. The refrigerant engineer should have attached
a bulb at the.
Answer: The outlet end of the coil
◉ A refrigerant engineer verifies that a chilled water pump is cavity
to of the following the most likely cause for this condition is.
Answer: Water leaks through the mechanical seals
◉ The only refrigerant/temperature chart available to a
refrigeration engineer lists the temperature In ﾟC if the chart
indicates a Celsius temperature of 4ﾟ this is equivalent to.
Answer: 39.2ﾟ
◉ The use of oil in the refrigeration machine is to.
Answer: Reduce wear and friction in the compressor parts
◉ Which of the following will connect to the Middle port on a gauge
manifold.
DETAILED SOLUTIONS
◉ of the following, the major advantage of a shell and coil condenser
is.
Answer: there is less danger of developing leaks
◉ an engineer needs to vary the flow of refrigerant in a refrigeration
system, which operation in the flow of the system does not include.
Answer: solenoid valve
◉ thermal bull is attached to the suction plate between the
evaporator cokl and the compressor by an insulated line. assume
that the machine room is 85deg f . break down of the insulation
results in:.
Answer: flood the evaporator
◉ water and moisture is serious problem in a refrigerant system
how to avoid.
Answer: proper evaluation at the charging of the system
, ◉ while on duty a refrigeration engineer notic That the suction line
to the compressor and part of the compressor itself is frosted over
the following the most likely reason for this condition would be.
Answer: There is not enough Refrigerant in the system
◉ While doing a routine inspection the engineer notices the bulb of
the TXV on the floor. The refrigerant engineer should have attached
a bulb at the.
Answer: The outlet end of the coil
◉ A refrigerant engineer verifies that a chilled water pump is cavity
to of the following the most likely cause for this condition is.
Answer: Water leaks through the mechanical seals
◉ The only refrigerant/temperature chart available to a
refrigeration engineer lists the temperature In ﾟC if the chart
indicates a Celsius temperature of 4ﾟ this is equivalent to.
Answer: 39.2ﾟ
◉ The use of oil in the refrigeration machine is to.
Answer: Reduce wear and friction in the compressor parts
◉ Which of the following will connect to the Middle port on a gauge
manifold.
