Question 1

The __________, the first part of the dryer, is a dewatering device that separates the bulk of the water off by gravity.

Accepted Answer

A)  pelletizer 
B)  scalping box 
C)  spirex 
D)  helix 
A)  pelletizer 
B)  scalping box 
C)  spirex 
D)  helix

Question 2

Melting the granules:

Accepted Answer

A)  breaks molecular bonds and reduces swell 
B)  encapsulates the additives in the polypropylene 
C)  allows the polymer to be cut up into pellets 
D)  b & c 
A)  breaks molecular bonds and reduces swell 
B)  encapsulates the additives in the polypropylene 
C)  allows the polymer to be cut up into pellets 
D)  b & c

Question 3

A solids feeder connected to an air system that is used to transfer plastic. When the slide valve is opened under a feed tank, granules drop into a ___________. Granules move through the system without altering pressures on either side of the star feeder with the aid of a vent.

Accepted Answer

A)  air system 
B)  homogenizer 
C)  star feeder 
D)  variable feeder 
A)  air system 
B)  homogenizer 
C)  star feeder 
D)  variable feeder

The __________, the first part of the dryer, is a dewatering device that separates the bulk of the water off by gravity.

Melting the granules:

A solids feeder connected to an air system that is used to transfer plastic. When the slide valve is opened under a feed tank, granules drop into a ___________. Granules move through the system without altering pressures on either side of the star feeder with the aid of a vent.

Introduction to Process Equipment

Valves

Piping and Vessels

Pumps

Compressors

Turbines and Motors

Heat Exchangers

Cooling Towers

Steam Generation- Boilers

Fired Heaters Furnaces

Instruments

Process Diagrams

Utility Systems

Reaction Systems

Distillation Systems

Extraction and Other Separation Systems

Filters

Exam 17: Plastics Systems

The __________, the first part of the dryer, is a dewatering device that separates the bulk of the water off by gravity.

Melting the granules:

A solids feeder connected to an air system that is used to transfer plastic. When the slide valve is opened under a feed tank, granules drop into a ___________. Granules move through the system without altering pressures on either side of the star feeder with the aid of a vent.

Introduction to Process Equipment

Valves

Piping and Vessels

Pumps

Compressors

Turbines and Motors

Heat Exchangers

Cooling Towers

Steam Generation- Boilers

Fired Heaters Furnaces

Instruments

Process Diagrams

Utility Systems

Reaction Systems

Distillation Systems

Extraction and Other Separation Systems

Filters