Two technicians are discussing the coolant flow through a heater core. Technician A says that heated coolant enters the heater inlet hose close to the engine thermostat. Technician B says the coolant from the heater core returns to the water pump outlet. Which technician is correct?

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


A) Technician A only

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Mechanically held contactors and relays are often referred to as ____________________ contactors or relays.

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

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The area of a solid wire that is 0.01 inches in diameter is ____________________ mils.

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

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The term ____________________ refers to the tips of the fur

Fill in the blank(s) with correct word

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Which of the following is the same in the DC series motor and the universal motor?

A) Iron core composition B) No-load speeds C) Input power D) Field strength

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