Answer the following statement(s) true (T) or false (F)
The advantage of mercury relays is that each time the relay is used the contact is renewed, eliminating burning and pitting cased by an arc when connection is made or broken.
ANSWER: True
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All of the following are approved methods for diagnosing an ECT (engine coolant temperature) sensor EXCEPT ________
A) Observing resistance values at a specified temperature B) Substituting a variable resistor C) Digital multimeter (DMM) D) Scan tool
A logic control system in an automobile generates an audible alarm when any one, two, or three of the following three conditions occur:
1. The ignition is off but the ignition key has not been removed from the switch and a door is opened. 2. The headlamp switch is on with the ignition off and the key removed from the switch. 3. The ignition is on with the engine running but the driver's seatbelt has not been fastened. Detection circuits generate HIGH inputs to a 3-input logic gate when any of these conditions occurs. The logic gate responds to the high input(s) by generating a HIGH output that triggers the alarm. The 3-input logic gate is most likely a(n): A) OR gate. B) NOR gate. C) AND gate. D) Inversion device.
Technician A says that you should lubricate the regulator, gauge, cylinder, and hose fittings on an oxyacetylene torch with oil. Technician B says that you should use grease. Who is correct?
A. Technician A B. Technician B C. Both D. Neither
Evasive steering
A. reduces the chance of an accident B. reduces the severity of an accident C. allows the use of possible escape routes D. all of the above