Both high-side pressures and low-side pressures are low with the engine running and the selector set to the air conditioning position. Technician A says that the system is undercharged. Technician B says the cooling fan could be inoperative. Who is

correct?

A) Technician A only
B) Technician B only
C) Both technicians A and B
D) Neither technician A nor B


A) Technician A only

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?A successful use of celluloid was for ____. 

A. ?safety glass B. ?photographic film C. ?billiard balls D. ?dental plates

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The PV array output for a house resulted in 15.4 kWh, 17.0 kWh, ?16.2 kWh, 16.4 kWh, 15.9 kWh, 17.2 kWh, and 16.7 kWh being generated for one week.  What is the average daily output?

Fill in the blank(s) with the appropriate word(s).

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Container-grown plants are susceptible to winter damage because their root systems are not insulated by the soil like the root systems of field-grown plants are

Indicate whether the statement is true or false

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?In the pulsed-arc metal transfer current cycle, ____ refers to how the electric current in a transformer takes a few milliseconds to build up the magnetic field to full strength once the coil is energized.

A. ?pulse width B. ?ramp down C. ?ramp up D. ?overshoot

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