Philippine Agricultural Engineering PAES 211:2000
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Questions and Answers

What is a requirement for the test site conditions?

  • The site must have provisions for grain handling and workspace. (correct)
  • The site must have electricity readily available at all times.
  • The site should have a waiting area for spectators.
  • The site should be located indoors to avoid weather issues.

What option is available to the manufacturer if the test materials exceed recommended characteristics?

  • The manufacturer can request a different testing agency.
  • The manufacturer is not allowed to make any changes.
  • The manufacturer has the option to proceed with the test. (correct)
  • The manufacturer must cancel the test.

What must be verified before testing begins?

  • The corn mill must be assembled and installed correctly. (correct)
  • The corn mill must be painted according to specifications.
  • The corn mill must be the newest model available.
  • The area must be inspected for noise levels.

During the running-in period, what adjustments are permitted?

<p>Adjustments according to manufacturer’s recommendations are allowed. (A)</p> Signup and view all the answers

Under what circumstance would a test be suspended?

<p>If the machine stops due to major breakdown or malfunctions. (B)</p> Signup and view all the answers

What is the minimum weight for representative samples of corn kernels used in each test trial?

<p>1 kilogram (B)</p> Signup and view all the answers

How many samples should be collected from the outlets of the different components during each test trial?

<p>Three samples (D)</p> Signup and view all the answers

What type of containers should samples for moisture content testing be kept in?

<p>Airtight containers (B)</p> Signup and view all the answers

What is required for the measurement of data during a test run?

<p>Minimum of five observations (A)</p> Signup and view all the answers

What must be done to the fuel tank before testing a corn mill using an engine?

<p>The tank must be filled to full capacity (D)</p> Signup and view all the answers

Flashcards

Corn Mill Testing Requirements

Detailed procedures for testing a corn mill, including preparation, site conditions, and testing materials.

Manufacturer/Dealer Representative Role

The authorized representative is responsible for operating, adjusting, repairing, and making decisions related to the machine's operation during the testing process.

Test Site Conditions

The testing site needs to support normal operation by having sufficient grain handling, temporary storage, and workspace.

Test Suspension

Tests can be paused if major malfunctions affecting the machine's performance occur. The decision to pause or continue is made jointly by the testing agency and the representative.

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Test Material Preparation

The corn kernels used for testing must be prepared according to the procedure in Annex B, allowing for variation due to the manufacturer's discretion if outside recommended characteristics.

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Sampling procedures for corn kernels

Representative samples, each weighing one kilogram, are taken from the top, middle, and bottom of a pile to ensure the sample reflects the entire batch.

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Sampling from different outlets

During testing, three samples are collected from each component outlet (degerminator, mill, sifter, cyclones) of the corn mill for analysis in the lab. The sample size should be double the amount needed for the test.

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Handling of samples

Samples are placed in appropriate, labeled containers. If analysing moisture, they must be kept in sealed, dry containers.

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Measurements during test run

Record data on rotating component speeds, noise levels at operator/bagger locations, with and without a load. Ensure feed rate, speeds and other characteristics have stabilized before measurements.

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Fuel consumption (engine-powered corn mill)

Measure fuel by filling the tank completely before the trial starts and monitoring the level throughout the test.

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Study Notes

Philippine Agricultural Engineering Standard PAES 211:2000

  • Standard for methods of testing corn mills, initiated by AMTEC, funded by BPRE of the Department of Agriculture
  • Reviewed by a Study Team and Technical Committee on Postharvest Machinery
  • Circulated for comments and reactions to various private and government organizations
  • Presented to PSAE and subjected to public hearing organized by NAFC
  • Formulated in accordance with PNS 01: Part 4:1998
  • Comments and reactions considered in finalizing the standard
  • References made to Primer on Philippine Grains Standardization Program - National Food Authority, 1998

Contents (PAES 211:2000)

  • Scope: Methods of test and inspection for corn mills
  • Reference: Normative documents (e.g., PAES 210:2000, ISO 6540:1980)
  • Definitions: Terms such as "aspirator", "bulk density," etc.
  • General Conditions for Test and Inspection: Roles of manufacturer/dealer, representative, site conditions, suspension of tests
  • Test Preparation: Preparation of devices, testing instruments (Annex A), test materials
  • Pre-test Observation: Verification of specifications, test materials
  • Performance Test: Operation of the corn mill, sampling, data collection (duration, noise measurement, speed of component, fuel/energy consumption) (Annex D, E, F, G)
  • Laboratory Analysis: Procedures for determining efficiency, losses, percentage of corn grits (Annex G, F)
  • Test Report: Required information (title, summary, purpose & scope, methods, conditions, description of machine, results, observations, names & signatures) (Annex H)
  • Annexes: Detailed list of equipment, test materials, specifications, data sheets, formulas

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Description

Test methods for corn mills are outlined in the Philippine Agricultural Engineering Standard PAES 211:2000. This standard was developed by AMTEC with input from various stakeholders and includes definitions, conditions for testing, and references to normative documents. It aims to ensure accurate and reliable performance assessments of corn milling machinery.

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