Material Handling Flashcards
(60 cards)
Which of the following is a primary goal of materials handling in chemical engineering?
a) Reducing the chemical reactivity of materials
b) Minimizing the environmental impact
c) Ensuring efficient and safe movement of materials
d) Increasing the shelf life of chemical products
Ensuring efficient and safe movement of materials
It refers to the use of equipment to aid in materials handling operation.
a) Manpower
b) Material Handling
c) Assisted Manpower
d) Operated Process
Assisted Manpower
What is a major advantage of using conveyors over other materials handling equipment?
a) Higher initial investment cost
b) Flexibility in moving materials horizontally and vertically
c) Requires more manual labor
d)More prone to breakdowns
Flexibility in moving materials horizontally and vertically
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
b) both a and b
c) internal
d) solar
external
Which type of conveyor is most suitable for moving granular materials over a short distance?
a) Pneumatic conveyor
b) Screw conveyor
c) Belt conveyor
d) Chain conveyor
Screw conveyor
_______refers to the use of human labor in materials handling operations, with or without the aid of equipment.
a. Artificial Intelligence
b. Manpower
c) Hydraulics
d) Overpower
Manpower
In which situation would a pneumatic conveying system be preferred?
a) Transporting high-density liquids b) Moving fragile materials.
c) Handling fine powders over long distances
d) Transferring large solid objects.
Handling fine powders over long distances
Why is it important to consider the angle of repose in materials handling?
a) To determine the color of the material
b) To assess the thermal conductivity of the material
c) To understand the flow characteristics and storage requirements
d) To estimate the electrical resistance of the material
To understand the flow characteristics and storage requirements
It is the angle which refers to the minimum slope angle from the horizontal at which loose material will flow.
a) repose
b) slide
c) inclination
d) refraction
slide
Described as the maximum slope angle at which a heap of loose material will stand without sliding.
a) angle of repose
b) angle of incident
c) angle of slide
d) angle of inclination
angle of repose
What material are the chains commonly used in pulp and paper mill scraper flight conveyors made from?
a) Aluminium
b) Malleable iron or welded steel
c) Plastic
d) Copper
Malleable iron or welded steel
What is the primary advantage of roller conveyors over other types of flight conveyors?
A. They are cheaper to manufacture
B. They can handle extremely heavy loads
C. They can convey material vertically as well as horizontally
D. They require less maintenance
They can convey material vertically as well as horizontally
How are flight conveyor capacities affected by speed, and what speed limit is recommended for handling abrasive materials?
a) Capacities decrease as speed increases, with a recommended maximum of 30 fpm
b) Capacities increase as speed increases, with a recommended maximum of 30 fpm
c) Capacities remain consistent regardless of speed, with a minimum of 30 fpm
recommended
d) Capacities are directly proportional to speed, with a maximum of 30 fpm advised
for abrasive materials
Capacities are directly proportional to speed, with a maximum of 30 fpm advised for abrasive materials
Which types of materials are flight conveyors not suitable for handling?
a) Sticky, sluggish, very abrasive, or corrosive materials
b) Granular and lump materials
c) Liquid and viscous materials
d) Fine and powdered materials
Sticky, sluggish, very abrasive, or corrosive materials
- 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
I, III, IV, V
To keep the variation of tension in the chain to a tolerable limit, at what speed of the chain conveyor should be kept?
a) High
b) Low
c) Medium
d) Slowly
Low
Why are the flight conveyors built rugged?
a) for long life and low maintenance
b) for easy detachment and replacement
c) for low cost and high efficiency
d) for difficult access to maintenance
for long life and low maintenance
Chains of flight conveyors work in how many directions?
a) One
b) Two
c) Three
d) Four
One
What must be done to the flights in a flight conveyor to enable the chain to convey the material?
a) The flights must be coated with a special lubricant
b) The flights must be either welded or fastened to the chain link
c) The flights must be made of plastic
d) The flights must be detachable
The flights must be either welded or fastened to the chain link
How are materials discharged from a flight conveyor?
a) Through gates at regular intervals
b) Via an opening in the casing
c) Only at the trough’s end
d) They are manually unloaded by operators
Through gates at regular intervals
Which of the following is a primary objective of material handling?
a) Increase product costs
b) Reduce material movement
c) Minimize inventory levels
d) Improve working conditions
Reduce material movement
What is the primary purpose of a conveyor system in material handling?
a) To store materials
b) To transport materials from one location to another
c) To reduce material costs
d) To automate the manufacturing process
To transport materials from one location to another
In material handling, what is the term “ergonomics” related to?
a) Reducing material costs b) Increasing storage capacity
c) Improving worker safety and efficiency d) Automating production processes
Improving worker safety and efficiency
Which type of material handling equipment is typically used for loading and unloading bulk materials like sand or gravel?
a) Forklift
b) Conveyor belt
c) Bucket elevator
d) Pallet jack
Bucket elevator
