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Particle Technology > Material Handling > Flashcards

Material Handling Flashcards

1
Q

Which of the following is a primary goal of materials handling in chemical engineering?

A

Ensuring efficient and safe movement of materials

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2
Q

It refers to the use of equipment to aid in materials handling operation.

A

Assisted Manpower

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3
Q

What is a major advantage of using conveyors over other materials handling equipment?

A

Flexibility in moving materials horizontally and vertically

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4
Q

Portable power-driven machines refer to equipment or machinery that is powered by a/an ______power source, such as electricity, gasoline, or compressed air, and can be easily moved from one location to another.

A

external

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5
Q

Which type of conveyor is most suitable for moving granular materials over a short distance?

A

Screw conveyor

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6
Q

_______refers to the use of human labor in materials handling operations, with or without the aid of equipment.

A

Manpower

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7
Q

In which situation would a pneumatic conveying system be preferred?

A

Handling fine powders over long distances

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8
Q

Why is it important to consider the angle of repose in materials handling?

A

To understand the flow characteristics and storage requirements

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9
Q

It is the angle which refers to the minimum slope angle from the horizontal at which loose material will flow.

A

slide

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10
Q

Described as the maximum slope angle at which a heap of loose material will stand without sliding.

A

angle of repose

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11
Q

What material are the chains commonly used in pulp and paper mill scraper flight conveyors made from?

A

Malleable iron or welded steel

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12
Q

What is the primary advantage of roller conveyors over other types of flight conveyors?

A

They can convey material vertically as well as horizontally

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12
Q

How are flight conveyor capacities affected by speed, and what speed limit is recommended for handling abrasive materials?

A

Capacities are directly proportional to speed, with a maximum of 30 fpm advised for abrasive materials

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13
Q

Which types of materials are flight conveyors not suitable for handling?

A

Sticky, sluggish, very abrasive, or corrosive materials

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14
Q
  1. Which of the following factors are essential for selecting a flight conveyor?
    I.Capacity
    II.Maximum size of lumps
    III.Length and incline of unit
    IV.Service requirements
    V.Speed of operation and efficiency
A

I, III, IV, V

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15
Q

To keep the variation of tension in the chain to a tolerable limit, at what speed of the chain conveyor should be kept?

A

Low

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16
Q

Why are the flight conveyors built rugged?

A

for long life and low maintenance

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17
Q

Chains of flight conveyors work in how many directions?

A

One

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18
Q

What must be done to the flights in a flight conveyor to enable the chain to convey the material?

A

The flights must be either welded or fastened to the chain link

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19
Q

How are materials discharged from a flight conveyor?

A

Through gates at regular intervals

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20
Q

Which of the following is a primary objective of material handling?

A

Reduce material movement

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21
Q

What is the primary purpose of a conveyor system in material handling?

A

To transport materials from one location to another

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22
Q

In material handling, what is the term “ergonomics” related to?

A

Improving worker safety and efficiency

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22
Q

Which type of material handling equipment is typically used for loading and unloading bulk materials like sand or gravel?

A

Bucket elevator

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23
Q

Which piece of equipment is commonly used for stacking pallets in a warehouse?

A

Reach truck

24
Q

What is the main advantage of using automated guided vehicles (AGVs) in material handling?

A

Reduced labor costs

25
Q

Which of the following is NOT considered a material handling principle?

A

Distribution principle

26
Q

What is a key factor to consider when designing a material handling system?

A

WALANG SAGOT SA THEO PDF

26
Q

Which type of conveyor system is typically best for fragile materials?

A

Pneumatic conveyor

26
Q

Which type of material handling equipment is designed to lift and move heavy loads over short distances?

A

Cranes

26
Q

Why is it important to train employees in proper material handling techniques?

A

To minimize workplace injuries

26
Q

Which handling system is typically used for high-capacity bulk material transfers?

A

Belt conveyor

27
Q

What safety feature is crucial for preventing accidents with conveyor belts?

A

Emergency stop mechanisms

27
Q

Which type of conveyor is most suitable for transporting hot materials?

A

Belt conveyor with heat-resistant belts

28
Q

Which of the following unit operations is NOT typically involved in the handling of solids?

A

Distillation

28
Q

What is the purpose of a screw conveyor in solids handling?

A

Conveying

29
Q

Which piece of equipment is commonly used for reducing the size of solid particles?

A

Crusher

30
Q

In which solids handling operation does pneumatic conveying find its application?

A

Transportation

31
Q

What distinguishes dense-phase pneumatic conveying from dilute-phase pneumatic conveying?

A

WALA DIN SAGOT

32
Q

In which type of pneumatic conveying system does the material move in a continuous stream surrounded by air?

A

Dilute-phase

33
Q

Which type of pneumatic conveying system is commonly used for transporting materials over long distances?

A

Pressure conveying

34
Q

What is the primary advantage of vacuum conveying systems?

A

They require less energy

35
Q

In dense-phase pneumatic conveying, how does the material move through the pipeline?

A

In batches with intermittent air pulses

36
Q

What distinguishes bulk storage systems from other types of material storage?

A

They handle large quantities of loose materials

37
Q

Which type of material storage system is commonly used for storing long and bulky items such as lumber or pipes?

A

Cantilever Racking

38
Q

What is the primary advantage of shelving systems in material storage?

A

They provide easy access to stored items

38
Q

Which device is commonly used for determining the weight of bulk materials in industrial settings?

A

Platform Scale

39
Q

In material handling, what is the primary purpose of using load cells in weighing systems?

A

To measure weight

39
Q

What type of scale is commonly used for determining the weight of individual items or small packages in logistics and distribution centers?

A

Conveyor Scale

39
Q

In material handling, what is the primary advantage of using a weighbridge for weight determination?

A

It can weigh materials in bulk quantities

40
Q

Which method is typically used for determining the weight of materials in motion on a conveyor belt?

A

Gravimetric Analysis

40
Q

Which type of material storage system utilizes vertical space efficiently by stacking items on top of each other?

A

Pallet Racking

41
Q

In which type of facility are gravity feed systems commonly found for material handling?

A

WALA DIN SAGOT

41
Q

Which industry commonly utilizes bridge cranes for material handling?

A

Aerospace

42
Q

What is the primary function of a bulk elevator in material handling?

A

Transferring bulk materials vertically

42
Q

In which industry are bulk elevators commonly used for material handling?

A

Agriculture and food processing

43
Q

What distinguishes a bulk elevator from a standard passenger elevator?

A

Bulk elevators have larger load capacities.

43
Q

Which type of bulk materials are typically handled by bucket elevators?

A

Powders and granules

44
Q

Which type of screw conveyor is best suited for handling materials that are free-flowing and non-abrasive?

A

Ribbon Screw Conveyor

44
Q

What safety feature is commonly incorporated into bulk elevators to prevent overloading?

A

WALA DIN SAGOT

Particle Technology (9 decks)

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