A trap in the condensate line prevents ____.
A. air and foreign material from being drawn up into the drain line
B. additional cooling load from warm air drawn up into the air handler
C. insect invasion of the system
D. all of the above
Answer: D
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A ________ is a controlled environment chamber where bedding plant seeds are germinated prior to moving them to the greenhouse.
Fill in the blank(s) with the appropriate word(s).
All of the following statements are true EXCEPT:
A. accessories often cause noises that can be mistaken for other problems. B. a fan clutch on a coolant pump can cause a noise that sounds serious and is hard to pinpoint. A stethoscope can be used to listen to the noise. C. to isolate noises from defective belt-driven parts or accessories, disconnect the drive belt and run the engine for a short time at idle. D. belts are a common source of noise.
If three currents (I1, I2, I3) are all shown flowing into a node of a circuit, which of the following relationships must be true?
A. I1 = (?I2) (?I3) B. I1 = I2 + I3 C. I1 = I2 I3 D. I1 = ?I2 ? I3 E. I1 = I2 ? I3
During an airbag deployment, the vehicle event data recorder (EDR) will record all of these EXCEPT ________
A) G-forces B) Passenger voice sounds C) Vehicle speed D) Brake on/off