Block IV Study Guide

Front

How can the direction of the lines of force be determined when the direction of current flow is known?

Back

Use the left-hand rule

Front

Reason for constant flow of current in the same direction in a DC generator.

Back

Commutator

Front

How is the state of charge of a lead-acid battery indicated?

Back

By measuring the specific gravity of the electrolyte or checking the voltage with a voltmeter.

Front

What is the primary instrument to monitor immediately after fuel flow during the starting sequence of a turbine engine?

Back

EGT gauge

Front

The law of electromagnetic induction states that "the induced electromotive force (emf) in a closed loop of wire is"

Back

directly proportional to the rate of change of magnetic flux through a coil of wire

Front

The number of cycles per second is a definition of frequency, and the standard unit measurement is _____?

Back

Hertz

Front

Factors that influence resistance in an electrical circuit?

Back

Area, temperature, length, material

Front

Apparent power is the power consumed by the entire circuit, including both resistance and reactance.

Back

Symbolized by letter S and measured in Volt-Amps

Front

Microbiological growth is frequently found in which type of aircraft fuel? Options: Avgas, Jet B fuel, Diesel fuel, Jet A fuel

Back

Jet A fuel

Front

To measure resistance in a circuit, the circuit must be?

Back

disconnected from any power source