3-2-2

Question 1

The amount of body current depends upon both the voltage across the body and the ?

Answer 1

Resistance of the body

Question 2

Tests to evaluate the body’s reaction to low currents were conducted on volunteers by ?

Answer 2

Charles Dalziel

Question 3

A current of 1.1 milliamperes will cause slight tingling in the hand of an average male worker. This current threshold level is called ?

Answer 3

Perception

Question 4

At the ? Current threshold muscles contract and a hand grip on an energized object cannot be released

Answer 4

Let go

Question 5

A current of 0.016 amperes is equal to ?

Answer 5

16 mA

Question 6

An assumed body resistance of ? While an approximation alllws calculations to be made for worker protection methods

Answer 6

1000 ohms

Question 7

A current of as little as ? Lasting three seconds will result in possible ventricular fibrillation in both men and women

Answer 7

100 mA

Question 8

A short shock with a time duration of 0.03 seconds and a body current of ? Can have the same result as a longer shock (3.0 seconds) with a body current of 0.1 amperes

Answer 8

1A

Question 9

When contact is made with a line energized at ? Or more the outer skin can be punctures allowing higher currents to flow through inner body tissues

Answer 9

1,000 volts

Question 10

The human body can withstand a higher current for a shorter time or a lower current for a longer time and avoid heart fibrillation

Answer 10

True

Question 11

The most serious current path through the body occurs through ?

Answer 11

Hand to hand

Question 12

The perception and let go current thresholds differ from men to women

Answer 12

True

Question 13

The formula I=k/square root of t is used to calculate ?

Answer 13

Worker body current

Question 14

To return the heart to a rhythmic beat ?

Answer 14

Use an AED

Question 15

The research discussed in the reference material considers a longer shock in which current flows for a duration of ?

Answer 15

3 seconds

Question 16

Research found that male worker should be protected against body current to a perception level of?

Answer 16

1.1 mA

Question 17

A body current of ? Will result in certain death from a 0.03 second shock

Answer 17

2.75 A

Question 18

A painful and severe shock causing difficulty in breathing and muscle contraction will occur in men with a body current of ?

Answer 18

0.023

Question 19

The speed at which overcurrent protection devices operate must be considered when determining worker protection methods

Answer 19

True

Question 20

Voltage flow through the human body causes burning of body tissues

Answer 20

False

Question 21

The type of boots and gloves worn can affect the resistance across worker contact points

Answer 21

True

Question 22

Higher body current levels occur when ?

Answer 22

The skin is punctured

Question 23

The human body is not designed to handle even the most minimal of electrical currents

Answer 23

True