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OME554

Total questions: 50

Worksheet time: 50mins

Name
Class
Date
1.
Oxyfuel Welding/Cutting involves combining which of the following
a)
Oxygen
b)
Flammable Gas
c)
Electrical Arc
d)
Response 1 and 2
2.
Arc Welding uses __________ to produce spark and heat
a)
High Voltage Electricity
b)
Welding Gas
c)
Flammable Gas
d)
Response 1 and 2
3.
Which option below is not a general safety practice you should follow when using welding/cutting equipment?
a)
Always wear your PPE
b)
Strike an arc to see if the machine is on
c)
Know how to properly operate the machine
d)
Inspect any equipment and/or tools before use
4.
Welding processes produce which of the following hazards?
a)
Intense bright white light
b)
Oxygen displacing fumes
c)
Sparks and molten material
d)
All of the above
5.
The powerful ultraviolet and infrared light produced during welding and cutting can cause _____________.
a)
Arc Flash
b)
Retinal Burns
c)
Permanent Blindness
d)
All of the above
6.
True or False: You should always wear a welding hood, or helmet, when arc welding ?
a)
True
b)
False
7.
True or False: You should set up protective shields around you when performing hot work in order to protect other people in your work area
a)
True
b)
False
8.
It is ok to perform welding/cutting in a poorly ventilated area
a)
True
b)
False
9.
The minimum required airspace required per welder without forced ventilation is _________?
a)
10,000 cubic feet
b)
1,000 cubic feet
c)
12,000 cubic feet
d)
8,000 cubic feet
10.
Which of the following shall not be worn during welding/cutting operations?
a)
Long Sleeve Shirt
b)
Pants
c)
Flip Flops
d)
Welding Gloves
11.
True or False: It is acceptable to pick up hot metal with welding gloves.
a)
True
b)
False
12.
True or False: You should always wear eye protection underneath your welding helmet.
a)
True
b)
False
13.
How many feet from the area be swept clean of anything where hot work is to be conducted?
a)
25 feet
b)
35 feet
c)
45 feet
14.
If a fire risk is found within the minimum safe distance within a work area a(n) _______must be established.
a)
100 foot perimeter
b)
moat
c)
fire watch
d)
line of sight
15.
What percentage of accidents is due to human carelessness?
a)
86 to 88
b)
90 to 92
c)
88 to 90
d)
84  to 86
16.
Shop clothing should not be
a)
Loose
b)
Baggy
c)
Highly flammable
d)
All of the above
17.
Return tools to ____ when finished.
a)
tool box
b)
tool drawer
c)
tool closet 
d)
proper place
18.

A third-degree burn has occurred when

a)

blisters and redness occur

b)

the surface of the skin is burned black

c)

the blisters are large and open

d)

all of these

19.

What is "the direction in which the current is flowing"?

a)

Alternating Current

b)

Polarity

c)

Ohms

d)

Voltage

20.

Which is "the process of building up several layers of weld deposit by running overlapping passes"?

a)

Padding

b)

Weaving

c)

Welding

21.

Define Ergonomics

a)

The science of designing computers

b)

This was not covered in lecture

c)

The science of designing equipment and workplace for a comfortable and safe environment

d)

The science of designing chairs

22.

SIGNS OF MSD

a)

Loss of function

b)

Swelling

c)

Loss of color

d)

all of the above

23.

What are the parts of ergonomics?

a)

biomechanics, applied psychology, social psychology

b)

biogenetics, applied hygienity, social studies

c)

biogenetics, applied psychology social studies

d)

biomechanics, applied hygienity, social psychology

24.

It is a unit of luminous intensity of a light source in a definitive direction.

a)

Flux

b)

Intensity of Light

c)

Illuminance

d)

Luminance

25.

The amount of energy a light emits per second, measured in lumens (lm).

a)

Intensity of Light

b)

Flux

c)

Illuminance

d)

Luminance

26.
Pleasurable design or affective ergonomics focuses on how the design of a product
a)
fits the users’ physical dimensions
b)
fits the users’ personality
c)
produces positive emotions in the users
d)
reduces negative reactions among the users
27.
An ergonomist measures how far people can bend their torso to the right and left side of their body while standing up. She is collecting ______ anthropometric data.
a)
static
b)
dynamic
c)
3D
d)
digitised
28.
The three dimensional area for an operators’ reach within her workstation is called the
a)
dynamic reach
b)
postural limits
c)
reach envelop
d)
realistic work area
29.

What part of the back is most affected when we lift in a bad position?

a)

head

b)

the lower back or lumbar area

c)

legs and hands

30.

It refers to the office, premises or worksite where a worker is temporary or habitually assigned.

a)

Work Area

b)

Work Ground

c)

Work Place

d)

Work Station

31.

It is the situation that could be dangerous to people in the workplace.

a)

Hazard

b)

Microorganism

c)

Risk

d)

Contaminant

32.

Inadequate and insufficient machine guards,

unsafe workplace conditions, unsafe work practices belong to what kind of hazard?

a)

Biological

b)

Chemical

c)

Ergonomic

d)

Safety

33.

Type of hazard in a form of solid, liquid, vapor or gaseous substances, dust, fume or mist.

a)

Biological

b)

Chemical

c)

Physical

d)

Safety

34.

In working at the foundry, the risk of getting injuries is inversely proportional to the frequency of exposure to the worker.

a)

True

b)

False

35.

Which of the following hazards presence in the foundry is responsible for lung disease to the workers?

a)

Noise

b)

Metal Splashes

c)

Heat

d)

Dust

36.

Improper controlling of hazards in the foundry can lead to the occurrence of serious health problems to the workers.

a)

True

b)

False

37.

Which of the following processes is used for recycling of silica sand or dust in foundry during the casting process?

a)

Radiography

b)

UV method

c)

Abrasive blasting process

d)

Finn method

38.

Which of the following operations in the production of castings gives rise to excessive noise in the foundry?

a)

Pouring

b)

Shakeout

c)

Coating

d)

Melting

39.

Casting of non-ferrous alloys by continuous casting method can cause an explosion if the casting contacts with water during processes.

a)

True

b)

False

40.

Workplace safety is the responsibility of __________________.

a)

Employees

b)

Employers

c)

Everyone

d)

Supervisors

41.
What is the top of the wave called?
a)
Amplitude
b)
Wavelength
c)
Trough
d)
Crest
42.

What is the unit that is used to measure the intensity of sound?

a)

decibel

b)

frequency

c)

Hertz

d)

wavelength

43.
Which contributes to Noise Pollution the most?
a)
Television 
b)
Music from headphones
c)
Construction Crane
d)
Huge concernts/events
44.

The sound level which is comfortable for the human ear.

a)

80-85 decibels

b)

120-125 decibels

c)

60-65 decibels

d)

100-105 decibels

45.

For steel, which one of the following properties can be enhanced upon annealing?

a)

Hardness

b)

Toughness

c)

Ductility

d)

Resilience

46.

In Annealing, cooling is done in which of the following medium?

a)

Air

b)

Water

c)

Oil

d)

Furnace

47.
Alpha particles.....
a)
a) are positively charged.
b)
b) consist of two protons and four neutrons.
c)
c) can penetrate any thickness of matter
d)
d) All of the above 
48.
which one is radiation 
a)
We're it goes to one laction to a other location 
b)
It's at the bottom of the pan 
c)
the heat at the top. 
49.
which one of this is radiation energy 
a)
Magnetic waves 
b)
Electromagnetic waves 
c)
Rad waves 
50.
how long or usually does a heat wave last 
a)
35km 21 miles  
b)
stays In a bubble 
c)
forever
d)
36km 22 miles 

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