Electrical Technology NCCER (11th Edition) Module 12 Review

Which of the following is true about analog meters?

• Analog meters are solid-state instruments

• Analog meters have a digital readout

• Analog meters use a moving-coil meter movement

• Analog meters have an autoranging setting

A voltmeter is used to test __________.

• exact voltage

• voltage ranges

• power

• sine waves

To ensure safety, before measuring low voltages, you should first test for _______.

• resistance
• current

• vibration

• higher voltages

An ammeter is used to measure ______.

• current
• voltage

• resistance

• insulation value

Clamp-on ammeters work by ______.

• using D-Arsonval meter movement

• detecting the strength of the electromagnetic fiel
• measuring the high resistance end of a power transformer

• using a resistive shunt

An insulation resistance tester is another name for a(n) ______.

• megohmmeter
• ammeter

• multimeter

• continuity tester

A motor rotation meter ______.

• tests an energized motor
• is used to find the motor legs

• is used to identify phases of the circuit

• works only in a clockwise turn

The highest level of protection from transient voltage is provided by instruments rated as ______.

• CAT I

• CAT II

• CAT III

• CAT IV

The IEC developed a safety standard for overvoltage installation categories of CAT I, CAT II, CAT III, and CAT IV for _______.

• wiring

• electrical equipment

• test equipment

• signaling circuits

What is the lowest acceptable category rating for a multimeter that will be used to test small appliances?

• CAT I

• CAT II

• CAT III

• CAT IV