A conventional oxygen sensor has a reading of 900 mV on a multimeter. This indicates ________
A) A vacuum leak B) A rich exhaust C) A lean exhaust D) None of these
B
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Technician A says you should never connect or disconnect the battery charger cables from the battery terminals with the charger in operation. Technician B says when disconnecting a battery the first disconnection should be the positive battery cable. Who is correct?
A. Technician A B. Technician B C. Both A and B D. Neither A nor B
How often should you inspect the intake air duct and cooling fan of an inverter for accumulation of dirt and debris?
What will be an ideal response?
In an emergency situation, you should never
A. call 911 until you are sure the victim is conscious and gives permission B. move an injured or seriously ill person unless necessary to prevent further injury C. administer CPR D. report an injury to the supervisor
One terminal of both a normally open switch and normally closed switch are connected together. This forms a common point for both switches and could be used as the common terminal for a flow switch that contains a ____ switch.
A. single-pole double-throw B. single-pole single-throw C. double-pole single-throw D. double-pole double-throw