A customer complains that the heater works sometimes, but sometimes only cold air comes out while driving. Technician A says that the water pump is defective. Technician B says that the cooling system could be low on coolant. Which technician is correct?

A) Technician A only
B) Technician B only
C) Both technicians
D) Neither technician


B) Technician B only

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____ change some aspect of nature to make it more valuable and profitable

A) Developers B) Exploiters C) Conservationists D) Managers

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Why would a corporation that has a fleet repair shop to limit the makes and models they purchase for their fleet?

What will be an ideal response?

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If all four input resistors to a summing amplifier are 2.2 k?, the feedback resistor is 2.2 k? and all four input voltages are -2 V, the output voltage equals ________

A) 10 V B) 8 V C) 2.2 V D) 2 V

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During the evacuation process, __________of the system should be connected to the vacuum pump.

A. the high-pressure side B. the low-pressure side C. both the high- and low-pressure sides

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