Deck 25: Basic Electricity, Electric Current and Electric Motors

Question 1

____________________ are the smallest particles that material can be reduced to and still remain the same material.

A)atoms
B)electrons
C)protons
D)neutrons

Answer 1

A

Question 2

If extra electrons are added to an atom, the body is ____________________ charged.

Answer 2

negatively

Question 3

Which of the following is used to measure the amount of current passing through a wire?

A)voltmeter
B)ammeter
C)ohmmeter
D)circuit breaker

Answer 3

B

Question 4

If electrons are removed from atoms, the body is ____________________ charged.

Question 5

____________________ electricity occurs when there is a buildup of charges, but the electrons are not flowing.

Question 6

____________________ is the rate of flow of electrons, measured in amperes.

A)electric current
B)voltage
C)resistance
D)power

Question 7

When one material has more electrons than another, the potential difference between the two materials is known as which of the following?

A)charge
B)amperage
C)voltage
D)resistance

Question 8

____________________ is an indication of turning effort and is measured in pounds-feet.

A)horsepower
B)torque
C)capacity
D)power

Question 9

____________________ is the rate of doing work or using energy.

A)electric current
B)voltage
C)resistance
D)power

Question 10

Which type of motor has end bells that are open to allow free circulation of ventilation air?

A)hermetic
B)open
C)totally enclosed
D)splash proof

Question 11

In an electric motor, which of the following is the part that turns but does not contain windings?

A)capacitor
B)armature
C)rotor
D)stator

Question 12

In an electric motor, which of the following is the stationary part of the motor?

A)capacitor
B)armature
C)rotor
D)stator

Question 13

Within an atom, which of the following is the centermost structure?

A)proton
B)nucleus
C)nucleus
D)charge

Question 14

Which type of motor has ventilation openings arranged so that water falling on them will not be drawn into the cooling air passages?

A)hermetic
B)open
C)totally enclosed
D)splash proof

Question 15

Within an atom, which of the following is a positively charged particle within the nucleus?

A)proton
B)neutron
C)electron
D)pluton

Question 16

Within an atom, which of the following is a negatively charged particle that rotates around the nucleus?

A)proton
B)neutron
C)electron
D)pluton

Question 17

In an electric motor, which of the following is a device that aids the starting effort?

A)capacitor
B)armature
C)rotor
D)stator

Question 18

In an electric motor, which of the following is the rotating part that contains the power windings and commutator?

A)capacitor
B)armature
C)rotor
D)stator

Question 19

Which type of motor is contained within a gas-tight vessel?

A)hermetic
B)open
C)totally enclosed
D)splash proof