Quiz Flashcards

(73 cards)

1
Q

How do most forklifts consider center of gravity?

A

24” out on forks x 24” high.

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2
Q

What could happen if load center is outside of center of gravity?

A

Capacity of machine decreases

Machine could tip over

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3
Q
A
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4
Q

When is the machine most likely going to tip over?

A

When the CG moves over or beyond the front axle

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5
Q

When the boom moves up and forward what does the CG do?

A

Moves with it, once CG is beyond front axle tip over is likely

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6
Q

Out riggers (stabilizers)

A

Extend length of machine in turn extend CG

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7
Q

If load is heavier than Load Capacity Chart what should you do?

A
  1. Move machine closer to load
  2. Break down load into smaller loads
  3. Use a larder machine that can handle the load
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8
Q

A forklifts balance is affected by what two conditions?
And describe the 2 conditions

A

Static (sitting)

Dynamic (moving)

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9
Q

Static (balance) conditions include?

A

Load size

Load shape

Position of load on forks

Lift height

Amount of tilt

Tire pressure

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10
Q

Dynamic conditions include?

A

Acceleration

Speed

Braking

Ramps and slopes

Raising load

Lowering load

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11
Q

When is tipover likely in this picture?

A

When CG over lower wheel

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12
Q

Describe picture

A

As load is raised the CG of the load exceeds the line from the CG of the machine to the lower stability point

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13
Q

What to do/not do while lifting suspended loads

A
  • NEVER suspend loads from forks using chains, ropes, straps etc
  • always use a JIB
  • need to be done per manufacturers recommendation or qualified person
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14
Q

What are factors in stability?

A

Slope of operation points

Strength of soil

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15
Q
A
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16
Q

Before leaving operators position:

A
  • put forklift in neutral
  • apply parking brake
  • fully lower forks
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17
Q

Types of Required inspections

A

Visual inspections

Daily log sheet for duration of machines life

Written and signed record of all inspections

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18
Q

Operator ____ have this on his persons

A

“Shall”

Hoisting license

Drivers license

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19
Q

Who can give emergency signal

A

Anyone

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20
Q

Number of signalers

A

One

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21
Q

On loads 5% & more, load should be _____.

A

Upgrade

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22
Q

Empty forks should be ________.

A

Downgrade

Back up hill so weight (engine) is in front

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23
Q

Complete engage load with forks at least ____ under the load.

A

2/3

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24
Q

Number one cause of death involving cranes

A

Electrocution

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25
Required clearance for 50 kV
10 feet
26
Required clearance for 51-200 kV
15 feet
27
Required clearance for 201-350kV
20 feet
28
If contact made with power lines
- should remain in machine until utility company comes - no one should approach machine for rescue - if operator needs to leave, stand up without touching anything, jump while landing on both feet and shuffle away from machine
29
A forklift is ______ when the operator is less than 25 feet from the truck which remains in his view.
Attended
30
A forklift is ______ when the operator is 25 feet or more from the truck, or is out of view of the truck.
Unattended
31
When elevating personnel, the combined weight of the platform, personnel, and material shall not exceed?
1/3 the rated lift capacity
32
As a boom is extended, the pressure ______ on the soil under the front wheels
Increase
33
When estimating weight never exceed what percent of load zone
50%
34
Formula for load weight
Volume x unit weight
35
Unit weight =
Density of material
36
37
The operator feathers controls when he wants to?
Move the load slowly
38
If another vehicle is stopped in your path what should you do?
Stop and sound your horn
39
The pivot point of a fork lift is the _____.
Front axle
40
When a forktruck lifts a load up what happens?
The CG moves forward
41
*Forward tipping will occur unless the forklifts CG is?
On opposite side of front axle
42
*Momentum is the force created by?
Starting Stopping Turning
43
Authorized person
Person approved or assigned by employer to perform specific type of duties at job site.
44
Competent person
Capable of identifying existing predictable hazards or hazardous working conditions dangerous to employees.
45
Designated person
Same as authorized person
46
Number two cause of forklift accidents
Struck by lift truck
47
Where are hoisting laws found in code book?
Chapter 146 Section 53-57
48
Hoisting rules & regulation code
Section 53A
49
Section to carry a license while operating —> can be digital copy
Section 54
50
Section of code for violations
Section 54A
51
Section : Prevention of entry on premises code
Section 55
52
Section : Examiners; admin of oath to applicants code
Section 56
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