Because they produce motion and force in a straight line, _____ are called linear actuators
A) pistons B) motors C) cylinders D) pumps
C
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Which of the following statements about converting a system from one refrigerant to another is correct?
a. Synthetic and mineral oils are fully compatible. b. A new metering device may be required. c. Equipment capacity must remain exactly the same. d. HCFCs can only be replaced by another HCFC.
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Measure the clearance between the tip and body of a rotor type oil pump with a________.
A. micrometer B. small bore gauge C. feeler gauge D. caliper
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A radio choke is actually a ________
A) Coil (inductor) B) Transistor C) Capacitor D) Resistor
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A suction line accumulator is used to reduce the possibility of liquid refrigerant entering the compressor.
Answer the following statement true (T) or false (F)
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