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9.3 Machinery hazards

Written by Imran Qureshi (NEBOSH)

15 NEBOSH IGC Workplace hazards questions with answers and explanations.

Printable worksheet with answer key

All questions with answers
  1. A hazard created by drones in the workplace is:

    • 1 Heat stroke
    • 2 Collision and falling parts
    • 3 Legionella
    • 4 Silicosis
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    Correct answer: Collision and falling parts

    Drones can collide or fall.

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  2. Which standard lists mechanical and other machinery hazards?

    • 1 ISO 9001
    • 2 ISO 12100
    • 3 ISO 45001
    • 4 ISO 14001
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    Correct answer: ISO 12100

    ISO 12100 covers machinery safety.

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  3. A cylinder mower is an example of:

    • 1 Construction machinery
    • 2 Fire equipment
    • 3 Retail machinery
    • 4 Agricultural or horticultural machinery
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    Correct answer: Agricultural or horticultural machinery

    Cylinder mowers are horticultural.

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  4. Crushing, shearing and cutting are examples of:

    • 1 Mechanical hazards of machinery
    • 2 Biological hazards
    • 3 Noise hazards
    • 4 Radiation hazards
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    Correct answer: Mechanical hazards of machinery

    ISO 12100 lists them.

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  5. Entanglement happens when:

    • 1 A tool is sharp
    • 2 Clothing or hair is caught by moving parts
    • 3 A machine is quiet
    • 4 A machine is guarded
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    Correct answer: Clothing or hair is caught by moving parts

    Rotating parts are a main cause.

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  6. Drawing-in is the hazard of:

    • 1 A heat hazard
    • 2 A fire hazard
    • 3 A noise hazard
    • 4 A person being pulled into moving parts such as rollers
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    Correct answer: A person being pulled into moving parts such as rollers

    Nip points are drawing-in hazards.

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  7. Which of these is a hazard of a chainsaw?

    • 1 Legionella
    • 2 Cutting and kickback
    • 3 Dermatitis
    • 4 Radiation
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    Correct answer: Cutting and kickback

    It is agricultural or horticultural machinery.

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  8. A bench grinder is an example of:

    • 1 Aerial equipment
    • 2 Manufacturing and maintenance machinery
    • 3 Retail machinery
    • 4 A fire detector
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    Correct answer: Manufacturing and maintenance machinery

    Eye injury and contact with the wheel are hazards.

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  9. A compactor in a shop is an example of:

    • 1 Retail machinery
    • 2 Agricultural machinery
    • 3 Hand tool
    • 4 Laboratory equipment
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    Correct answer: Retail machinery

    Crushing is a hazard.

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  10. A cement mixer is an example of:

    • 1 Hand tool
    • 2 Retail machinery
    • 3 A fire alarm
    • 4 Construction machinery
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    Correct answer: Construction machinery

    It has rotating parts and electrical hazards.

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  11. A hazard of an aerial drone at work is:

    • 1 Collision and loss of control
    • 2 Radon
    • 3 Legionella
    • 4 Asbestos fibres
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    Correct answer: Collision and loss of control

    Falling parts are also a hazard.

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  12. Ejection means that:

    • 1 Parts or material can be thrown from the machine
    • 2 The guard is fixed
    • 3 The machine is silent
    • 4 The machine stops
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    Correct answer: Parts or material can be thrown from the machine

    Ejected parts can strike people.

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  13. Which of these hazards can be produced by a machine in addition to mechanical ones?

    • 1 Only mechanical ones
    • 2 Noise, vibration or dust
    • 3 Only biological ones
    • 4 Only chemical ones
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    Correct answer: Noise, vibration or dust

    ISO 12100 lists mechanical and other hazards.

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  14. For each machine studied, a useful approach is to name:

    • 1 Only the owner
    • 2 Only the cost
    • 3 The hazard, the likely injury and the control
    • 4 Only the weight
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    Correct answer: The hazard, the likely injury and the control

    That ties hazards to consequences and controls.

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  15. A pedestal drill presents a risk of:

    • 1 Entanglement and flying swarf
    • 2 Legionnaires' disease
    • 3 Heat stroke only
    • 4 Radiation
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    Correct answer: Entanglement and flying swarf

    Rotating parts and chips can injure.

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