Process Technology Equipment
Chapter 18 Solids Handling Equipment
Page 14
Summary and Wrap–Up
Time: 4 minutes
Resources: Slide 32
Sample Instructor Script:
Let’s summarize today’s lesson and consider what we will be doing in the next class.
Suggested Student Activities
(Note to Instructor: Time permitting, do the activities listed below or possibly assign
End of Chapter Review Questions
(Note to Instructor: If you have time, you can use these questions to test your
students’ knowledge of the content presented in this chapter.)
1. What solids handling equipment forces materials through the opening in a die
so it can be formed into a particular shape?
A. Feeder
B. Extruder
C. Screener
D. Conveyor
Process Technology Equipment
Chapter 18 Solids Handling Equipment
2. What solids handling equipment uses sieves or screens to separate dry
materials according to particle size?
A. Feeder
B. Extruder
C. Screener
D. Conveyor
3. Which of the following is true of volumetric feeders?
A. They do not have the ability to change feed rates.
B. They convey material at a controlled rate by measuring the weight lost over time.
C. They convey material at a controlled rate by running at a set motor speed.
D. They move material using pressured gas flow from one point to another in a
continuous stream.
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Chapter 18 Solids Handling Equipment
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4. What type of conveyor uses a series of rotating cylinders to move materials?
A. Belt
B. Roller
C. Moving floor
D. Pneumatic
5. What type of solids handling equipment includes a number of eccentrically
mounted weights, that when rotated creates a vibration in the trough or deck?
A. Vibratory conveyors
B. Live bottom
C. Bucket elevator
D. Pneumatic conveyors
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Chapter 18 Solids Handling Equipment
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6. What type of solids handling equipment is used to move material using
pressured gas flow from one point to another in a continuous stream?
A. Flow inducer
B. Live bottom
C. Bucket elevator
D. Pneumatic conveyors
7. What improper operation does NOT lead to chemical exposure?
A. Product spills
B. Excessive dust accumulation
C. Solids plugging
D. Equipment failure
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Chapter 18 Solids Handling Equipment
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8. Which of the following can lead to ground or water contamination?
A. Solids plugging
B. Off-spec product
C. Excessive dust accumulation
D. Equipment failure
9. Who should process technicians report violations to?
A. OSHA
B. EPA
C. Supervisor
D. Plant ownership
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Chapter 18 Solids Handling Equipment
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Clicker Questions
(Note to Instructor: If you have clicker capability in your institution, you may want to
include some of these questions as appropriate. Or perhaps you just want to use them
as a way to check the students’ understanding of the content.)
1. What happens to fines in the screening system?
A. They are destroyed.
B. They are remilled.
C. They are reprocessed.
D. They are considered waste.
2. What type of conveyors are ground-based conveyer systems designed to
transport both light and heavy loads?
A. Belt
B. Roller
C. Moving floor
D. Pneumatic
3. What is typically used to store products destined for distribution?
A. Bins
Process Technology Equipment
Chapter 18 Solids Handling Equipment
B. Silos
C. Hoppers
D. Hopper cars
4. What is the most important reason to eliminate human error?
A. Human error can result in equipment downtime.
B. Human error can result in equipment failure.
C. Human error can result in off-specification product.
D. Human error can result in injury, disability, or fatality of one or more people.
5. What type of valve is often used at the bottom of a cyclone?
A. Gate
B. Trickle
C. Rotary
D. Butterfly
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Chapter 18 Solids Handling Equipment
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Chapter 18 Solids Handling Equipment
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APPENDIX, Chapter 18
Table of Contents
Contents
Page
Checking Your Knowledge Answer
Key
23
Process Technology Equipment
Chapter 18 Solids Handling Equipment
Checking Your Knowledge Answer Key
1. Define the following terms:
a. Extruder
b. Screener
c. Bin
d. Conveyor
e. Feeder
f. Hopper
2. (True or False) A conveyor is a piece of equipment used to mix raw product to
form a new product (usually dry material).
3. (True or False) A gravimetric feeder conveys material at a controlled rate by
running at a set motor speed.
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Chapter 18 Solids Handling Equipment
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4. (True or False) A volumetric feeder must have a predetermined maximum feed
rate that is calculated by the feeder’s maximum motor speed and material
density.
5. Which of the following types of storage equipment is medium-sized and is
more commonly used in day-to-day operation?
a. Silo
b. Bin
c. Hopper
d. Cyclone
6. (True or False) A trickle valve is a free-hanging flap between two different
pressure environments and maintains an air seal inside a flow area.
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Chapter 18 Solids Handling Equipment
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7. Which of the following is not a piece of bag packaging equipment?
a. Stretch wrapper
b. Fluid bed dryer
c. Valve bag filler
d. Palletizer
8. Which of the following is a possible effect of product spills? (Select all that
apply.)
a. Dust pollution
b. Dust exposure
c. Loss of production
d. Chemical exposure
9. Which abnormal visual finding might process technicians find with solids
handling equipment? (Select all that apply.)
a. Banging or hammering
b. Higher than normal amp readings
c. Meter showing higher than normal speed
d. Dust accumulation
Process Technology Equipment
Chapter 18 Solids Handling Equipment