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Heavy Equipment > Study > Flashcards

Study Flashcards

1
Q

Who oversees labour relations in BC

A

Bc labour relations board

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2
Q

Which 2 policy violations are high risk

A

Electrical power lines

Excavations over 4 feet

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3
Q

Name 3 types of soil and characteristics

A

Cohesive- clay
Granular- sand and gravel
Organic- top soil

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4
Q

Property of soil that refers to partical size

A

Gradation

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5
Q

What is liquid limit

A

Moisture content when soil fails ribbon test

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6
Q

What is shearing

A

Breaking point- collapse in

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7
Q

Field tests for soils

A

Ribbon test
Shine test
Field test

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8
Q

What is plasticity

A

Minimum moisture where soil will ribbon

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9
Q

What does aggregate processing consist of

A

Screening
Crushing
Washing

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10
Q

3 main sectors of aggregate industry

A

Construction
Industrial
Crushed rock

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11
Q

Difference between loose volume/bank volume

A

Disturbed or undisturbed

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12
Q

How many cubic feet per cubic yard

A

27

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13
Q

4 methods of compaction

A

Vibration
Impact
Kneeding
Pressure

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14
Q

What does a power train do

A

Connects and disconnects power
Provides variable speed
Allows for reverse and forward
Turning ability and power

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15
Q

2 basic types of manual transmissions

A

Synchronized

Unsynchronised

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16
Q

Basic types of transmissions

A

Manual
Auto
Hydrostatic

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17
Q

3 braking systems

A

Air brake
Hydraulic
Engine

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18
Q

Heavy equipment 12v or 24 v

A

24 v

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19
Q

2 flammable products in batteries

A

Hydrogen

Oxygen

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20
Q

What part of bucket do pins attach to

A

The shank

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21
Q

What replaces the clutch in an automatic transmission

A

Torque converter

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22
Q

What can overheat if going uphill in too high gear

A

Torque converter

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23
Q

What are the 7 basic parts in a gas powered four stroke

A 
Crank shaft
Cam shaft
Piston
Valves
Crank
Spark plugs
Cylinders
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24
Q

What is a stroke

A

Sweep of cylinder by movement of piston

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25
Q

Difference between 2 stroke and 4 stroke

A

2 stroke= power during each cycle

4= power every second movement, intake compression, exhaust strike

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26
Q

What type of engine requires oil mixed with fuel

A

2 stroke

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27
Q

Compression ratio of gasoline engine

A

6:1 - 12:1

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28
Q

Compression ratio for diesel

A

14:1-24:1

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29
Q

What do glow plugs do

A

Preheat cylinders for compression of fuel

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30
Q

What prevents water and fine particles from getting into fuel system

A

Dual water separator

Filters

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31
Q

What spins a turbo charger

A

Exhaust gas

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32
Q

What PPE should be worn when welding

A 
Goggles
Shields
Tinted glass
Insulated gloves
Fire resistant clothing
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33
Q

What might you have to add to the gas on a 2 stroke

A

Stroke oil

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34
Q

What does API stand for

A

American petroleum industry

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35
Q

What is the difference between S and C with engine oils

A

S- service category or spark

C- compression or commercial

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36
Q

What do oils with CI-4 in them provide

A

A higher level of protection against soot related viscosity loss due to shear in Diesel engines (when oil loses thickness)

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37
Q

What are 90w oils used for

A

Gear cases
Final drives
Differential with large relatively low speed gears under heavy load

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38
Q

What are these greases used for
Ep1
Ep2

A

Ep1- lighter for winter

Ep2- heavier for summer

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39
Q

Why is clear diesel more expensive than marked

A

They charge road tax to clear diesel

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40
Q

Is 1-d or 2-d diesel used for winter

A

1-d (less tendency to gel)

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41
Q

How much pressure can a grease gun produce

A

10,000

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42
Q

Do larger or smaller cylinders produce more force

A

Larger

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43
Q

How much psi in hydraulic systems

A

28-4000 psi

44
Q

What does a directional control valve do

A

Routes desired flow to actuator

45
Q

What are 2 common types of hydraulic pumps

A

Gear pump

Piston pump

46
Q

What are gear pumps used for

A

Lower pressure

47
Q

Where are hydraulic filters typically found on heavy equipment

A

Resoviour of return point ( to catch contaminants before they enter pump)

48
Q

If you are topping up a machine with hydraulic oil is it going to be filtered before it enters the pump

A

No

49
Q

Does a hydraulic cylinder make more power if it is getting extended or retracted

A

Extended

50
Q

What swings upper section of excavator

A

Rotary manifold

51
Q

Definition of percent expression of slope

A

Rise/run expressed as percent

Slant or angle of a cut or fill

52
Q

What percent slopes for highways and logging roads

A

8% highways

20% logging roads

53
Q

What is slope percent used for

A

Centreline grades
Topography
Parking lots
Pipe slopes

54
Q

What is a slope ratio used for

A

Slopes for embankments and cuts

55
Q

What is considered a bulk excavation

A

Anything wider than 12 feet

56
Q

At what point from cutting edge of an excavation will a fracture point occur which may lead to a collapse

A

1/2-3/4 of depth

57
Q

All excavations should be carried out in accordance with

A

Oh&s

Engineer

58
Q

How far back must a clean level area be at the top of an excavation

A

2 feet - BC

3 feet - AB

59
Q

Minimum sloping requirement

A

3/4 -1 or 1:1

3 feet horizontal to 4 feet vertical

60
Q

Maximum depth of excavation before it has to be sloped

A

4 feet

61
Q

Maximum outward angle for shoring uprights

A

15 degrees

62
Q

Common types of rigging hardware

A

Hooks, shivs, spreader bars, shackles

63
Q

What is a verticals hitch

A

Single leg with load suspended vertical

64
Q

Bridal sling

A

Multiple legs gathering in lift hook

65
Q

What grade of chain is recommended for overhead lifting

A

Grade 10

66
Q

How many beeps to go ahead

A

3

67
Q

What prevents the loss of control (pendulum theory) on suspended loads

A

Tag line

68
Q

ROPS=

FOPS=

A 
ROPS= roll over protective structure
FOPS= falling object protection structure
69
Q

Does call before you dig come to site

A

No. They asssist

Non profit

70
Q

How long do you have to dig after you call

A 
AB= 2 days
BC= 3 days
71
Q

Minmum distance from power lines

A 
BC= 10 feet
AB= 21 feet
72
Q

RED

A

Electrical

73
Q

Yellow

A

Gas oil steam

74
Q

Orange

A

Communication

75
Q

Blue

A

Potable water

76
Q

Green

A

Sewer

77
Q

Pink

A

Temporary survey

78
Q

White

A

Proposed excavation

79
Q

Purple

A

Reclaimed water

80
Q

Arms across

A

Stop

81
Q

Thimble

A

Lifting hardware that prevents cable from fraying

82
Q

Eye hole

A

Lifting hardware

83
Q

Grade of chain for overhead lifting

A

10

84
Q

How many beeps to stop

A

1

85
Q

Which is not a hazard category

Chemical
Sensory
Environmental
Weather

A

Weather

86
Q

San or S on stakes stands for

A

Sanitary

87
Q

Soil piles must be how far from trench

A

BC 2 ft

AB 3 ft

88
Q

Distance from power lines

A

BC- 10 feet

AB- 21 feet

89
Q

Torque converter is similar to

A

A clutch

90
Q

Maintaining fuel system daily includes

A

Draining sediment and water from both the tank sump drain and filter/separator

91
Q

Serrated edges are found on

A

Graders

92
Q

Particle size distribution

A

Gradation

93
Q

Does a 2 stroke produce more or less power than 4 stroke

A

More

94
Q

Hydraulic system, which valve prevents back flow

A

Check valve

95
Q

Slope is commonly specified as

A

A percentage expression of rise over run (vertical to horizontal)

96
Q

Ether is for starting

A

Diesel engines

97
Q

In hydraulics, which valve routes fluid to the desired actuator

A

Control valve

98
Q

Swell factor percentage

A

12

99
Q

Compaction factor percentage

A

20%

100
Q

Coolant is a mixture of

A

Water and ethylene glycol

101
Q

On a dozer, what blades are used to move large amounts of material

A

U-blades

102
Q

Rock breaker attachments are found on

A

Excavators

103
Q

Fuel filters are installed

A

Between injection pump and injectors

104
Q

Holes dug to collect water

A

Sump

105
Q

End of angled blade farthest away

A

Toe

106
Q

Are blue top stakes set to elevation of finished pavement

A

No

Heavy Equipment (1 decks)

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