An engine has a crack between a water jacket and an oil gallery. Technician A says that oil will go into the cooling system when the engine is running. Technician B says that coolant will go into the oil when the engine is off. Who is right?

A. ?Technician A only
B. ?Technician B only
C. ?Both A and B
D. ?Neither A nor B


Answer: C

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Determine the standard Gibbs energy change of reaction at 325 K for the following gas-phase transformation:

P = 1 bar The partial pressure at equilibrium due to component A is equal to 0.15 bar.

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Which statement below is correct?

A) Turning on the low voltage primary coil induces a high voltage in the secondary windings B) No voltage is induced in the primary circuit C) Turning off the low voltage primary coil induces a high voltage in the secondary windings D) No voltage is induced in the secondary circuit

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During removal of a vacuum booster, the master cylinder should be:

A. removed completely from the vehicle. B. removed from the booster and moved aside. C. disconnected from the lines and removed with the booster. D. disconnected from the firewall.

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ECM motors are less efficient than PSC motors.

Answer the following statement true (T) or false (F)

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