Explain how fire monitors are used to fight fires.
What will be an ideal response?
They are adjusted and aimed at the fire, locked in place, and triggered to deliver a stream of water on the fire. The operator can walk away to help in other ways with the firefighting.
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Technician A says micrometers are used primarily to measure inside diameters. Technician B says telescoping gauges are used with micrometers to measure cylinders and bearing bores. Who is right?
A. Technician A B. Technician B C. Both technicians D. Neither technician
In modulated current transfer, why is the explosive reestablishment of the arc softer, occurring over a very short period of time??
What will be an ideal response?
Voltage sources connected in series result in the total voltage ___________ but the ___________ flow remains the same.
a. increasing, current b. decreasing, current c. increasing, voltage d. decreasing, voltage
Technician A says that inductive ignition systems supply battery voltage to the positive side of the ignition coil and pulse the negative side of the coil on and off to ground to create a high-voltage spark. Technician B says if an ignition system uses a distributor, it is called a distributor ignition (DI) system. Who is right?
A) Technician A only B) Technician B only C) Both technicians D) Neither technician