Refrigeration RT/RC Prep Quiz

Any fluid that exceeds 150 psig and has design temperatures over 366F

A typical refrigerant used on newer air conditioning and heat pump systems

A fluid which is nonflammable, nontoxic, not damaging to human tissues, does not exceed 150 psig, and the designed temperature is between -20F to 366F

A toxic fluid, which can produce serious irreversible harm to persons on breathing or bodily content

Topics: All categories in the pool

1: Lithium-bromide, Li-Br, is best characterized as a

2: What is a Category "M" fluid?

3: It takes how many BTU/hr to melt one pound of ice at 32F

4: What refrigerant doesn't have to be classified?

5: The generator shell contains the

6: How are safety controls wired in a circuit?

7: While water is evaporated in an evaporative condenser the impurities which were in the water are

8: The amount of heat required to raise the temperature of 1 lb of water 1F is?

9: Insurance companies shall forward each inspection report of all refrigeration or A/C systems to the Chief of Inspections within

10: The rupture disc on a low-pressure chiller typically releases pressure at

11: Pressure vessels with an internal volume of 3 cubic feet or more

12: What must be done to all doors and access points in duct work going through a mechanical room?

13: A R-22 system running with a condensing temperature of 110F and a 40F evaporator temperature will read pressures of on the high side and on the low side.

14: An evaporator coil located near heating coil shall have a pressure-relief device installed within ______ inches of the evaporator.

15: The test pressure applied to the high side of each factory-assembled refrigerating system shall be at least equal to the design pressure of

16: In a low temperature refrigeration system, the benefit of the system using P.A.G. oil is

17: The measurement of heat in a particular substance is

18: A mixed occupancy occurs when two or more occupancies are located with the same building

19: What device measures the specific gravity of a substance?

20: When is the space above a drop ceiling calculated as space for refrigerant limit quantities?

21: A chilled water pump's suction gauge reads 10 psig. The discharge gauge reads 48 psig. What is the head in feet the pump is working against?

22: What would be the classification of a prison?

23: How can you test mechanical strength of an electrical connection?

24: Field Inspections of refrigeration and A/C systems in Massachusetts shall be made by

25: Fusible plugs shall not be used with pressure vessels of