Biomass Shredder Components Quiz

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Questions and Answers

What is the orientation of the blade assembly that rotates with respect to the vertical axis?

Closed cylinder orientation

Open cylinder orientation

Vertical orientation (correct)

Horizontal orientation

What type of main shaft arrangement is used when blades are connected to an open cylinder?

Open cylinder arrangement (correct)

Horizontal shaft arrangement

Closed cylinder arrangement

Vertical shaft arrangement

Which of the following describes the functionality of a machine with a shredding chamber only?

It combines shredding with additional storage capacity.

It performs both shredding and mixing actions.

It primarily focuses on shredding action. (correct)

It operates through grinding rather than shredding.

In which orientation do the blades rotate along the horizontal axis?

Horizontal orientation Signup and view all the answers

Which configuration involves blades arranged within a closed cylinder main shaft?

Closed cylinder configuration Signup and view all the answers

What component assists in the transport of the shredding machine?

Handle used during transport Signup and view all the answers

What is the common characteristic of the vertical and horizontal blade assemblies?

Both rotate around a specific axis. Signup and view all the answers

Which of the following is NOT a part of the mobile type biomass shredder depicted?

Transport cart Signup and view all the answers

What is the primary purpose of the chipping section in a biomass shredder?

To cut twigs or small branches into uniform chips Signup and view all the answers

Which statement accurately describes biomass?

Biomass is organic material that can be used as a renewable energy source. Signup and view all the answers

What is the function of the hopper in a biomass shredder?

To load biomass materials into the shredding machine Signup and view all the answers

Which component drives the biomass shredder?

Prime mover Signup and view all the answers

How is shredding efficiency calculated?

Weight of input biomass excluding unshredded materials divided by total input weight Signup and view all the answers

What distinguishes a stationary type biomass shredder?

It is permanently installed with adjustable anchors. Signup and view all the answers

How is a trailer type biomass shredder typically transported?

By hitching it to a transport vehicle Signup and view all the answers

What feature is common in cart type biomass shredders?

They are manually pushed or pulled by a person. Signup and view all the answers

What is the primary purpose of the shredding chamber in a biomass shredder?

To cut biomass materials into small strips Signup and view all the answers

Which material is recommended for the knives or cutting mechanisms of a biomass shredder?

High carbon steel and/or tool steel Signup and view all the answers

What is the required clearance between rotating blades and counter blades in the shredding chamber?

6 mm (1/4 inch) Signup and view all the answers

What angle of inclination is suggested for the blades in an open cylinder type of shredder?

15° to 20° Signup and view all the answers

Which of the following is NOT mentioned as a component of the biomass shredder?

Boiler system Signup and view all the answers

What is the minimum thickness for the cover of the shredding blades to ensure operator safety?

2.5 mm Signup and view all the answers

Which type of steel is specified for general components of the biomass shredder?

Mild steel Signup and view all the answers

What aspect of the shredding blade design helps to avoid clogging during operation?

Angle of inclination of the blades Signup and view all the answers

What role did the Bureau of Product Standards play in relation to the PAES 244:2010?

It approved the adoption of the standard. Signup and view all the answers

Which term is used in the standard to indicate mandatory requirements?

Shall Signup and view all the answers

What is the main focus of the project funded by the Philippine Council for Agriculture, Forestry and Natural Resources Research and Development?

Development of Agricultural Standards Signup and view all the answers

Which of the following documents was NOT mentioned as a reference in preparing PAES 244:2010?

PAES 200:2003 Signup and view all the answers

In what year was the PAES 244:2010 approved for adoption as a Philippine National Standard?

2010 Signup and view all the answers

What does the use of the word 'should' in the standard imply?

It is one of several recommended options. Signup and view all the answers

Who recommended the adoption of the PAES 244:2010 standard?

Agricultural Machinery Testing and Evaluation Center Signup and view all the answers

Which of these terms is essential for the structural drafting of international standards as applied in PAES 244:2010?

Directives Signup and view all the answers

What type of marking must be provided on each biomass shredder?

Marking in English Signup and view all the answers

What should the durability of the markings on the biomass shredder ensure?

That they are all weather resistant Signup and view all the answers

Which piece of information is NOT required to be marked on the biomass shredder?

User manual Signup and view all the answers

What is the required color scheme for safety markings on the biomass shredder?

Red text on a white background Signup and view all the answers

What is the purpose of the trademark and branding information on the biomass shredder?

To identify the manufacturer and product Signup and view all the answers

Which information is required to be punched directly on the biomass shredder?

Power requirement, kW Signup and view all the answers

What must be specified about the country of manufacture if the shredder is imported?

Must state the country of manufacture Signup and view all the answers

In the context of marking, what is significant about the information's bond to the base surface material?

It must have a durable bond Signup and view all the answers

Study Notes

Biomass Shredder Overview

Biomass shredder is utilized for cutting organic materials into smaller pieces for energy and agricultural use.
Organic materials processed can include twigs, branches, and other biomass.

Key Components

Chipping Section: Cuts twigs or small branches into uniform chips; considered an auxiliary component.
Hopper: The loading area for biomass materials before shredding.
Prime Mover: Typically an electric motor or internal combustion engine that powers the shredder.
Input Capacity: Measured in kg/hour, indicating the weight of biomass processed.
Shredding Efficiency: Calculated as the percentage of input biomass materials processed, excluding unshredded remnants.

Classification of Biomass Shredders

Mode of Installation:
- Stationary Type: Fixed installation, adjustable anchors to ensure leveling.
- Mobile Type:
  - Trailer Type: Attached to a transport vehicle for mobility.
  - Cart Type: Manually pushed or pulled for ease of movement.
Orientation of Blade Assembly:
- Vertical: Blade assembly rotates vertically.
- Horizontal: Blade assembly rotates horizontally.
Main Shaft Design:
- Open Cylinder: Blades arranged in an open cylindrical shaft.
- Closed Cylinder: Blades arranged in a closed cylindrical shaft.
Blade Action:
- Shredding Only: Features exclusively shredding chambers.
- Chipping and Shredding: Combines shredding and chipping capabilities in one machine.

Manufacturing Standards

Components should utilize heavy-duty mild steel and metal sheets for durability.
Blades must be made of high carbon steel or tool steel for effective cutting.
Design standards include having an outlet chute, a clearance of at least 6 mm between rotating and counter blades, and safety covers made from 2.5 mm materials for operator protection.
Angle of inclination for blades in open cylinder types ideally should be between 15° to 20° to prevent clogging.

Testing and Marking Specifications

Biomass shredders must undergo testing according to PAES 245.
Markings on the shredder should include manufacturer details, capacity, recommended blade speed, and safety instructions, and must be weather-resistant.

Importance of Standards

Standards established by the Agricultural Machinery Testing and Evaluation Center (AMTEC) and approved by the Bureau of Product Standards ensure safety and efficacy in biomass shredding machinery.
Emphasizes the importance of quality and compliance in the manufacturing process to enhance operational efficiency and safety for users.

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Description

This quiz covers the essential components of a biomass shredder, focusing on the chipping section, biomass materials, and the hopper's function. Test your knowledge of how these parts contribute to efficient processing of organic materials. Ideal for students in agricultural technology or renewable energy courses.