CPE 045 (6 & 7)

Question 1

A dangerous condition where a worker can or does an electrical contact with energized equipment or a conductor.

Answer 1

Electrical Hazard

Question 2

Common Electrical Injuries

Answer 2

Electrical Shock, Electrocution (Death due to electrical shock), Burns, Falls

Question 3

3 - Basic Pathways Electricity travels through the body

Answer 3

Touch Potential
Step Potential
Touch Step Potential

Question 4

Hand –> Hand Path

Answer 4

Touch Potential

Question 5

Foot –> Foot Path

Answer 5

Step Potential

Question 6

Hand –> Foot Path or Voce Versa

Answer 6

Touch Step Potential

Question 7

can be defined as the flow of electrons along a conductor

Answer 7

Electricity

Question 8

usually contains a power source and an electrical load

Answer 8

electrical circuit

Question 9

Elements of electricity

Answer 9

Voltage
Resistance
Current

Question 10

is a common hazard encountered by people involved in the installation, maintenance, and operation of electrical equipment

Answer 10

Electrical shock

Question 11

the maximum current that a person can tolerate when holding a conductor and can still free himself/herself by muscular stimulation.

Answer 11

Let go current

Question 12

It is a condition wherein the heart will not pulse regularly causing the heart to cease functioning

Answer 12

Ventricular fibrillation

Question 13

locations where flammable gases or vapors are present or likely to become present.

Answer 13

Class I

Question 14

applies to combustible dusts

Answer 14

Class II

Question 15

locations are those where easily ignitable dust such as textile fibers are present but not likely to be suspended in the air in sufficient concentration to produce an easily ignitable atmosphere.

Answer 15

Class III

Question 16

works by detecting any loss of electrical current in a
circuit.

Answer 16

Ground Fault Circuit Interrupter (GFCI)

Question 17

are areas where explosive or flammable gases or vapors, combustible dust, or ignitable fibers are present or likely to become present.

Answer 17

Hazardous Locations

Question 18

is an effective system for controlling accidents in servicing and maintenance of machines

Answer 18

Lock-Out/Tag-Out (LOTO)

Question 19

Occurs at the point of operation where the actual work is performed and can be created by; components that transmits energy and other parts which move while the machine is working

Answer 19

Machine Hazard

Question 20

Hazardous Mechanical Motions

Answer 20

Rotating
Reciprocating
Transversing
In-Running Nip Points

Question 21

Hazardous Mechanical Actions

Answer 21

Cutting
Punching
Shearing
Bending

Question 22

that point where work is performed on the material, such as cutting, shaping, boring, or forming of stock.

Answer 22

The point of operation

Question 23

all components of the mechanical system which transmit energy to the part of the machine performing the work.

Answer 23

Power transmission apparatus

Question 24

all parts of the machine which moves while the machine is working. These can include
reciprocating, rotating, and transverse moving parts, as well as feed mechanism and auxiliary parts of the machine.

Answer 24

Other moving parts

Question 25

It is a method that is especially designed to protect against the unexpected startup of a machine that is supposed to be turned off

Answer 25

Lock-out/Tag-out System