Equipment Selection Principles Quiz

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Questions and Answers

What is the primary criterion to determine the efficiency of handling performance according to the performance principle?

Cost per unit handled

What is the main objective of the dead weight principle in material handling?

Reduce the ratio of dead weight to pay load in mobile equipment

According to the motion principle, what should be kept in motion during material transport?

Equipment designed to transport material

What factor should be considered first when selecting material handling equipment?

Properties of the material Signup and view all the answers

What is the purpose of the maintenance principle in material handling?

Plan for preventive maintenance or scheduled repair of all handling equipment Signup and view all the answers

Why is it important to replace obsolete handling methods or equipment?

To improve operation efficiency Signup and view all the answers

What is the primary purpose of ensuring that the weight of a unit load is maximum?

To make each 'handling trip' productive Signup and view all the answers

How can unnecessary movements be eliminated in a material handling system?

Through work study aspects, such as method study and combination of processes Signup and view all the answers

What is the importance of considering the location of stores in a material handling system?

To minimize handling and investment in material handling systems Signup and view all the answers

What is the significance of the safety aspect in the design of a material handling system?

The system should be simple and safe to operate Signup and view all the answers

How can operator training and equipment selection contribute to a material handling system?

Through proper coordination and judicious selection of equipment and training of workmen Signup and view all the answers

What is the primary factor that determines the method and equipment choice for a material handling system?

The type of material to be handled Signup and view all the answers

What is the primary purpose of using multiple belt conveyors in the horizontal plane?

To change the direction of the materials being conveyed Signup and view all the answers

How can the conveying capacity of a belt conveyor be controlled?

By changing the belt speed Signup and view all the answers

What type of materials can metal or special belts carry?

Hot, abrasive, or reactive materials Signup and view all the answers

What is the characteristic of haulage conveyor systems?

Load is pushed or pulled and the weight is carried by stationary troughs, surfaces or flat rails Signup and view all the answers

What type of conveyor is typically used for unit loads like crates, boxes, and packages?

Flat belt conveyor Signup and view all the answers

What is the main feature of a bucket conveyor?

Uses buckets to carry material Signup and view all the answers

What advantage do industrial trucks have over conveyors?

They can move between various points and are not permanently fixed in one place. Signup and view all the answers

What is the major advantage of cranes and hoists?

They can move heavy materials through overhead space. Signup and view all the answers

What are the two types of containers mentioned in the text?

'Dead' containers (e.g. Cartons, barrels, skids, pallets) and 'live' containers (e.g. wagons, wheelbarrows or self-driven containers). Signup and view all the answers

What is the greatest advantage of industrial trucks?

Wide range of attachments available, increasing the ability to handle different types and shapes of material. Signup and view all the answers

What are some operations performed by robots, as mentioned in the text?

Handling and transporting material, welding, and spray painting. Signup and view all the answers

What distinguishes robots in terms of size and function?

They vary in size and function, including maneuverability. Signup and view all the answers

What are the major cost elements to be considered when making comparisons between items of equipment?

Initial investment and operating and maintenance costs Signup and view all the answers

How can a more rational decision be reached when comparing different items of equipment?

By calculating and comparing the total cost for each of the items under consideration Signup and view all the answers

What are the factors related to the nature of operations that influence the selection of equipment?

Temporary or permanent handling, continuous or intermittent flow, and material flow pattern (vertical or horizontal) Signup and view all the answers

What role does equipment reliability and supplier reputation play in selecting material handling equipment?

They are important factors as they impact after-sale service and overall reliability of the equipment Signup and view all the answers

In addition to nature of operations, what engineering factors are considered when selecting equipment?

Door and ceiling dimensions, floor space, floor conditions, and structural strength Signup and view all the answers

How are material handling equipment broadly classified?

Into fixed path equipments and variable path equipments Signup and view all the answers

Study Notes

Material Handling Principles

Equipment selection principle: Consider all aspects of material, move, and method to be utilized.
Dead weight principle: Reduce the ratio of dead weight to pay load in mobile equipment.
Motion principle: Equipment designed to transport material should be kept in motion.
Idle time principle: Reduce idle time/unproductive time of both MH equipment and manpower.
Maintenance principle: Plan for preventive maintenance or scheduled repair of all handling equipment.
Obsolescence principle: Replace obsolete handling methods/equipment when more efficient methods/equipment will improve operation.
Capacity principle: Use handling equipment to help achieve its full capacity.
Control principle: Use material handling equipment to improve production control, inventory control, and other handling.
Performance principle: Determine efficiency of handling performance in terms of cost per unit handled, which is the primary criterion.

Selection of Material Handling Equipment

Properties of the material: Consider solid, liquid, or gas, and its size, shape, and weight.
Weight of unit load: Ensure maximum weight to make each 'handling trip' productive.
Work study aspects: Eliminate unnecessary movements and combine processes.
Non-productive operations: Minimize operations such as slinging, loading, etc.
Location of stores: Keep stores close to the plant to minimize handling and investment in material handling system.
Application of OR techniques: Use techniques like queueing to optimize material handling equipment utilization.
Safety aspect: Design a simple and safe material handling system.
Avoid wasteful movements: Conduct method study to minimize movements.
Ensure proper coordination: Select equipment and train workmen judiciously.

Characteristics and Classification of Materials

Material handling system design depends on the type of material/s to be handled.
Conveying capacity: Control by changing belt speed.
Belt conveyors: Employed for continuous flow of materials, can carry hot, abrasive, or reactive materials.
Classification of conveyor systems: Belt, haulage, chain, cable, bucket, roller, screw, hydraulic, and pneumatic conveyors.

Types of Material Handling Equipment

Industrial trucks: Flexible, suitable for intermittent production, and handling various sizes and shapes of material.
Cranes and hoists: Move heavy materials through overhead space, suitable for intermittent and continuous production.
Containers: Dead or live containers, can hold and move material, and are usually operated manually.
Robots: Various types, used for handling, transporting, and performing operations like welding or spray painting.

Factors Affecting Equipment Selection

Nature of operations: Consider temporary or permanent handling, continuous or intermittent flow, and material flow pattern.
Engineering factors: Consider door and ceiling dimensions, floor space, floor conditions, and structural strength.
Equipment reliability: Consider supplier reputation, after-sale service, and equipment reliability.

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Description

Test your knowledge on important principles related to equipment selection and usage in material handling. Topics include dead weight reduction, motion optimization, idle time minimization, and maintenance planning.