Agricultural Machinery Safety: Design & Testing
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Questions and Answers

What is the minimum height for upward reach barriers?

  • 1500 mm
  • 1200 mm
  • 2500 mm (correct)
  • 1000 mm

What is the load that guards shall withstand without cracking?

  • 1200 N (correct)
  • 2000 N
  • 800 N
  • 500 N

What is the primary goal in the design and construction of agricultural machinery?

  • To make the machinery look appealing to potential buyers.
  • To minimize production costs, even if safety is slightly compromised.
  • To ensure the machinery does not cause danger when properly used. (correct)
  • To maximize efficiency above all else.

What is the recommended height range for guard rails?

<p>1000 mm - 1100 mm (A)</p> Signup and view all the answers

What is the main function of a shield or cover guard type on agricultural machinery?

<p>To prevent contact with moving parts. (B)</p> Signup and view all the answers

What could be a type of drive engagement controls used?

<p>Foot-operated clutches (C)</p> Signup and view all the answers

Which of the following best describes a 'casing or enclosure' guard?

<p>A rail, frame, or similar enclosure providing a safety distance from dangerous parts. (B)</p> Signup and view all the answers

Why is maintaining a 'necessary safety distance' important when using a casing or enclosure?

<p>To ensure the dangerous part cannot be reached inadvertently. (A)</p> Signup and view all the answers

What is the diameter for drawbars?

<p>33 +/- 8.5 mm (D)</p> Signup and view all the answers

What is the purpose of fitting a guard to dangerous parts of agricultural machinery?

<p>To prevent contact with those parts. (B)</p> Signup and view all the answers

What is the purpose of an acceptance test?

<p>To accept a lot based on samples. (B)</p> Signup and view all the answers

What components should be grouped together in a consignment?

<p>Components of the same type manufactured from the same material. (B)</p> Signup and view all the answers

What is the main goal of a routine test?

<p>To check conditions that vary during production. (C)</p> Signup and view all the answers

In the formula $r = \frac{N}{n}$, what does 'n' represent?

<p>Size of the sample. (C)</p> Signup and view all the answers

For a mobile machine, how is the left-hand side determined?

<p>The side on the left when facing the normal forward direction of the machine. (B)</p> Signup and view all the answers

What is the primary purpose of an operator's manual for agricultural machinery?

<p>To give safety precautions, information on controls, and operating instructions. (B)</p> Signup and view all the answers

For stationary machines, in what direction must you face to determine the left-hand side?

<p>Facing the machine. (D)</p> Signup and view all the answers

According to standard agricultural machinery definitions, what does 'right-hand side' refer to?

<p>The side on the right when facing the normal forward direction of travel of the machine. (D)</p> Signup and view all the answers

Which type of information is typically found in an operator's manual?

<p>Safety precautions. (C)</p> Signup and view all the answers

Flashcards

Tractors in Agriculture

Machinery designed to avoid danger when used properly.

Guard Types

Various protective mechanisms for agricultural machines.

Shield or Cover

A protective barrier to prevent contact with moving parts.

Casing or Enclosure

Structure that keeps dangerous parts inaccessible by maintaining safety distance.

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Safety Distance

The required space to prevent accidental contact with dangerous parts.

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Left-hand side

The left side when facing the normal forward direction of a mobile machine.

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Right-hand side

The right side when facing the normal forward direction of a mobile machine.

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Acceptance Test

A test on samples from a lot to determine acceptance.

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Operators manual

A manual that provides safety precautions, controls, and operating instructions for equipment.

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Safety precautions

Guidelines to prevent accidents and ensure safe operation of machines.

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Routine Test

A test to check varying specific conditions during production.

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Controls

Mechanisms used to operate the machinery, like levers and buttons.

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Lot Size (r)

The size of the lot determined by the formula r = N/n.

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Sample Size (n)

The size of the sample selected from the lot.

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Upper Limit (N)

The maximum number within a given set of numbers in the lot.

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Guard Construction

Guards must be strong, weather-resistant, and withstand 1200 N load without deforming.

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Safety distance: Upward reach barriers

Safety distance for upward reach barriers is 2500 mm from dangerous parts.

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Safety distance: Reach below barriers

Safety distance for reach below barriers is 1000 mm from dangerous parts.

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Operating Positions: Guard rail

Guard rail height must be between 1000 mm and 1100 mm.

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Clutches

Clutches control the drive engagement and can be foot or hand-operated.

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