Deck 19: Electricity and Motors

Question 1

What can be the result of electrical current passing through a body?

A) Burns
B) Death
C) Serious bodily injuries
D) All of the above

Answer 1

D
Explanation: A) Incorrect. Electrical current passing through a body can cause burns, death, and serious bodily injuries.
B) Incorrect. Electrical current passing through a body can cause burns, death, and serious bodily injuries.
C) Incorrect. Electrical current passing through a body can cause burns, death, and serious bodily injuries.
D) Correct. Electrical current passing through a body can cause burns, death, and serious bodily injuries.

Question 2

What are the procedures and practices that are mandated to be completed by personnel to ensure the energy source is disabled prior to work on any piece of equipment called?

A) Hazardous Energy Processes
B) Lockout-Tagout
C) Lockdown-Tagdown
D) Lockup-Tagup

Answer 2

B
Explanation: A) Incorrect. The procedures and practices that are mandated to be completed by personnel to ensure the energy source is disabled prior to work on any piece of equipment are called Logout-Tagout (

Question 3

What symbol is used to indicate ground?

A)
B)
C)
D)

Answer 3

C
Explanation: A) Incorrect. This is the symbol for resistance of load.
B) Incorrect. This is the symbol for battery.
C) Correct. This is the symbol for ground.
D) Incorrect. This is the symbol for inductor (coil).

Question 4

What types of circuits are used when wiring houses?

A) Series
B) Conducting
C) Parallel
D) Grounding

Question 5

What symbol is used to indicate ohms?

A)
B)
C)
D)

Question 6

What is a mechanical driver that converts one form of energy into mechanical energy?

A) Motor
B) Shroud
C) Rotor
D) Stator

Question 7

What do electrical motors turn electrical energy into?

A) Kinetic energy
B) Intrinsic energy
C) Potential energy
D) Mechanical energy

Question 8

What are negatively charged particles called?

A) Atoms
B) Electrons
C) Insulator
D) Conductor

Question 9

When can electrical shock occur?

A) When a person comes into contact with an insulated wire
B) When a person uses properly grounded electrical equipment
C) When a person works on electrical equipment without checking that the power source is off
D) When a person works with electrical equipment in a wet or damp environment

Question 10

What part of a typical AC motor is a stationary part of the motor where the alternating current flows in and a large magnetic field is created using magnets and coiled wire?

A) Stator
B) Rotor
C) Bearings
D) Fan

Question 11

Which of the following is a characteristic of AC power?

A) Polarity is fixed
B) Voltage remains constant
C) Heating effect is less than DC
D) It can be varied for power distribution

Question 12

What electrical current uses a back-and-forth movement of electrons in a conductor?

A) AC
B) DC
C) EC
D) PC

Question 13

What voltage is used to power large motors?

A) 120 V
B) 240 V
C) 480 V
D) 4,160 V

Question 14

What part of a typical AC motor is the structure that holds the internal components of a motor and motor mounts?

A) Shaft
B) Frame
C) Shroud
D) Rotor

Question 15

What motors are the simplest, most rugged, and most common?

A) Mechanical motors
B) Induction motors
C) Self-propelled motors
D) Intrinsic motors

Question 16

Which of the following is a monitoring and maintenance activity that should be performed by process technicians on electrical motors?

A) Measure the amps at the motor
B) Lubricate the bearings when scheduled or noisy
C) Ensure oil wells have water
D) Inspect vapor passages to make sure they are not plugged

Question 17

What material has electrons that can break free and flow more easily than other materials?

A) Volt
B) Insulator
C) Conductor
D) Semiconductor

Question 18

What is the measurement unit of electromotive force?

A) Amps
B) Ohms
C) Volt
D) Watt

Question 19

What part of a typical AC motor is a round metal tube that holds the rotor and is coupled to the driven end equipment?

A) Shaft
B) Frame
C) Shroud
D) Rotor