A variable displacement compressor:
A. Cycles the clutch to regulate temperature
B. Changes the compressor displacement to regulate the temperature
C. Uses control valve to change the angel of the wobble plate
D. Both statements B and C are correct
Answer: D
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Los aislamientos termocontraíbles están previstos para proporcionar:
a. liberación de tensión y protección mecánica. b. idoneidad para trabajos en condiciones frías. c. calificación para trabajos a mayores voltajes. d. fuerza de crimpado adicional en el terminal.
All of the following statements are true EXCEPT:
A. a knock sensor has a piezoelectric crystal sensing element that senses vibration and creates a voltage signal of 100 to 200 mV. B. an oxygen (O2) sensor is a variable DC voltage generator. C. pulse generators are signal generators. D. in a variable AC voltage generator, a magnetic pickup generates an AC analog signal with a positive and negative sine wave.
Of the seals that are listed, which will provide both retention and exclusion?
A. pressed radial lip seal B. bonded radial lip seal C. cased radial lip seal D. dual-element radial lip seal
To cut out the burr left from the pipe cutter, you must use a:
A) Vise. B) Reamer. C) Hand saw. D) Blow torch.