ASVAB-SECTION-5 Online Practice Questions and Answers

The FM band covers __________.

A. 550 to 1,600 kHz

B. 88 to 108 MHz

C. 100 to 200 MHz

D. 550 to 1600 MHz

What should the temperature of a typical soldering iron be when joining two wires together?

A. 200 to 300 degrees Fahrenheit

B. 400 to 500 degrees Fahrenheit

C. 500 to 600 degrees Fahrenheit

D. 700 to 800 degrees Fahrenheit

Which of these elements is considered a semiconductor?

A. sulfur

B. magnesium

C. argon D. silicon

This symbol represents what electronic circuit component?

A. power source

B. load

C. transistor

D. conductor

The current in the 4 ohm resistor is __________.

A. 2 amps

B. 2.5 amps

C. 0.4 amps

D. 1 amp

What is the reading on the kilowatt-hour meter shown below?

A. 9282

B. 2828

C. 8282

D. 9292

Changing alternating current to direct current is called __________.

A. capacitance

B. impedance

C. rectification

D. induction

To measure electrical power, you would use a(n) __________.

A. ammeter

B. ohmmeter

C. voltmeter

D. wattmeter

If you plug an appliance designed for AC into a DC power source, the appliance __________.

A. will operate normally

B. will produce excessive heat

C. won't operate

D. will explode into tiny pieces

To control a light fixture from two different wall switches, you should use __________.

A. a single-pole switch and a four-way switch

B. two three-way switches

C. two four-way switches

D. two single-pole switches

A transistor is also called a __________.

A. rectifier

B. cathode

C. crystal amplifier

D. semiconductor

The above symbol represents a/an __________.

A. relay

B. on-off switch

C. push switch

D. connected wire

The klystron is used in __________.

A. low-frequency transmitters

B. radar units

C. audio frequency amplifiers

D. frequency detectors

The two basic types of oscillators used for microwave generation are the magnetron and the __________.

A. klystron

B. op amp

C. clapp oscillator

D. multivibrator

A watt is the power that gives rise to the production of energy at the rate of __________.

A. 1 joule per minute

B. 1 volt per second

C. 1 amp per second

D. 1 joule per second