MT

Question 1

The most versatile form of energy

Answer 1

Electrical

Question 2

Can cause an electrical accident

Answer 2

overloading

Question 3

which is a secondary effect of electrical hazards

Answer 3

falls

Question 4

which is the best conductor

Answer 4

silver

Question 5

which is not a factor affecting electric shock

Answer 5

quality/brand of device

Question 6

at __ma of current (minimum amount) through the body, ventricular fibrillation is certain and thus fatal

Answer 6

100 mA

Question 7

The safe “let-go” current which may cause a secondary accident is __ to __mA

Answer 7

5 to 16

Question 8

A fast-acting circuit device which senses small imbalances in the circuit caused by current leakage to ground and, in a fraction of a second, shuts off the electricity

Answer 8

fuse

Question 9

these are calibrated conductors which will melt and break open the electrical circuit when too much current flows through them. this stops the flow of electricity before any problem can develop

Answer 9

look out device

Question 10

Can be securely fastened to an energy isolating device in accordance with an established procedure to indicate that the energy isolating device and the equipment being controlled can not be operated until the tag is removed.

Answer 10

tagout device

Question 11

in case of an electrical accident, on must

Answer 11

immediately turn off the electrical power sourfce

Question 12

the Occupational and Safety & Health Standards for Machine Guarding

Answer 12

RULE 1200

Question 13

Whose responsibility is it not to operate equipment unless guards are in place

Answer 13

employees

Question 14

When a worker falls and hands by the fall arrest system, rescue should be done within __ to __ minutes

Answer 14

5 to 10 minutes

Question 15

Poses the greatest risk in excavating and trenching works

Answer 15

cave-ins

Question 16

When excavating or trenching, keep surcharge loads at least ___ feet away from the edges

Answer 16

2 ft

Question 17

Process of permanently joining two or more materials together, usually metals, by heat or pressure or both

Answer 17

Brazing

Question 18

A job which is not considered as a common hot work

Answer 18

drilling

Question 19

Atmospheric oxygen is safe when it is between __ to __ % in the work space

Answer 19

19.5 to 23.5 %

Question 20

When the level of oxygen falls below ___% judgement and coordination suffers

Answer 20

16%

Question 21

When the level of oxygen falls below __% difficulty of breathing and drowsiness occurs.

Answer 21

16%

Question 22

When the level of oxygen falls below __%, a person becomes unconscious

Answer 22

12%

Question 23

When the level of oxygen falls below ___%, death occurs.

Answer 23

6%

Question 24

The level of oxygen can fall if the confined space contains

Answer 24

Methane which pushes oxygen out of an area

Question 25

The level of oxygen can fall if the confined space contains

Answer 25

Carbon dioxide which absorbs oxygen

Question 26

Toxic substance such as __, can cut off breathing

Answer 26

Carbon Monoxide

Question 27

Toxic substance (smells like rotten eggs) such as __, can cut off breathing

Answer 27

Hydrogen sulfide

Question 28

When testing for atmospheric hazards, the order of testing must be

Answer 28

oxygen, combustible gasses &vapors, toxic gasses & vapors

Question 29

A PRCS job location cannot be entered without a permit

Answer 29

TRUE

Question 30

Which hazardous gas is lighter than air?

Answer 30

Methane

Question 31

Which hazardous gas is heavier than air?

Answer 31

Hydrogen Sulfide

Question 32

The use of special tools and lighting or extra low voltage equipment require that such should not have a voltage exceeding ___ (ac) volts

Answer 32

50 V

Question 33

The best way of hazard control for confined spaces is

Answer 33

Elimination

Question 34

the use of special tools and lighting or extra low voltage equipment require that such should ___(dc) volts

Answer 34

120 V

Question 35

A confined space

Answer 35

has a limited or restricted means of entry/exit but is large enough for a worker to enter and perform his job

Question 36

Which is an IN_RUNNING NIP POINT?

Answer 36

Rotating Cylinders

Question 37

The following are effects of poor machine safety except

Answer 37

hiring additional workers

Question 37

Provides a barrier which is a permanent part of the machine, preferable to all other types of guards.

Answer 37

Fixed Guard

Question 37

Which is not a characteristic of a machine

Answer 37

moves with idefinite relative motions

Question 37

In modern printing presses, the in-running nip point is usually found in

Answer 37

rotating cylinders

Question 37

In the methods of machine safeguarding, the following are considered "Guards: but not

Answer 37

pullback

Question 37

Provides a barrier which moves according to the size of the stock entering the dangerous area

Answer 37

self-adjusting guard

Question 38

In the methods of Machine Safeguarding, the following are considered "Devices" but not

Answer 38

hand feeding tools

Question 39

It is not a fatal "Main cause" of maintenance injuries

Answer 39

failure to start the equipment

Question 40

In modern printing presses, the in-running nip point is usually found in

Answer 40

rotating cylinders

Question 41

Placing machines so that the operator is not exposed to aisle traffic -is an example of

Answer 41

engineer the hazards out of the job

Question 42

human failure can result from not using the following mechanical devices, except

Answer 42

adequate lightning

Question 43

in the methods of machine safeguarding, the following are considered "Guards" but not

Answer 43

gates

Question 44

who is responsible for ensuring that machine guards remain in place and are function

Answer 44

supervisors

Question 45

when this type of guard is removed, the tripping mechanism and power automatically shuts off and the machine cannot be cycled or stared until the guard is back in place

Answer 45

interlocked guard

Question 46

the number 1 cause of deaths in the construction industry

Answer 46

falls

Question 47

When using a ladder to climb a height of 20 feet, the base of the ladder should be __ feet from the base of the wall

Answer 47

6 feet

Question 48

Work at height means work in any place where if there were no precautions in place, a person could fall a distance liable to cause personal injury but is only above ground level

Answer 48

true

Question 49

Objects falling from height onto someone below can also cause

Answer 49

death, brain injuries, multiple fracture ( all a,b,c)

Question 50

This fall protection control prevents a fall from unprotected edges or openings

Answer 50

guard rails & protective covers

Question 51

This fall protection control allows a worker to reach the edge but not fall over it

Answer 51

travel restraint system

Question 52

This fall protection control is designed to limit a fall distance to 0.6 meter or 2 feet

Answer 52

fall restricting system

Question 53

A fast-acting circuit device which senses small imbalances in the circuit caused by current leakage to ground and, in a fraction of a second, shuts off the electricity

Answer 53

GFCI

Question 53

Standard guard rails should have a vertical height of at least __ inches

Answer 53

39 inches

Question 53

These are calibrated conductors which will melt and break(open) the electrical circuit when too much current floes through them. This stops the flow of electricity before any problem can develop

Answer 53

circuit breaker

Question 54

Which atmospheres are all hazardous?

Answer 54

toxic, flammable, foul-smelling