Question 1

Which of the following can cause off-spec products to be produced?

Accepted Answer

A)  Improper valve operation 
B)  Improper operation of the chlorine system 
C)  Improper /incorrect treatment of cooling water chemically 
D)  All of the above 
A)  Improper valve operation 
B)  Improper operation of the chlorine system 
C)  Improper /incorrect treatment of cooling water chemically 
D)  All of the above D

Question 2

What allows air intake in a cooling tower?

Accepted Answer

A)  Fan 
B)  Louvers 
C)  Suction screens 
D)  Fill 
A)  Fan 
B)  Louvers 
C)  Suction screens 
D)  Fill B

Question 3

What factor has an impact on cooling tower performance?

Accepted Answer

A)  Ambient air temperature 
B)  Relative humidity of ambient air 
C)  Cooling tower design 
D)  All of the above 
A)  Ambient air temperature 
B)  Relative humidity of ambient air 
C)  Cooling tower design 
D)  All of the above D

Question 4

What is cooling tower operation is based on?

Accepted Answer

A)  Radiation 
B)  Convection 
C)  Conduction 
D)  Evaporation 
A)  Radiation 
B)  Convection 
C)  Conduction 
D)  Evaporation

Question 5

Which of the following is the symbol for a natural draft counter-flow cooling tower?

Accepted Answer

A)    
B)    
C)    
D)    
A)    
B)    
C)    
D)

Question 6

What cooling towers use a heat exchange coil through which the working fluid passes and over which water is sprayed?

Accepted Answer

A)  Induced draft tower 
B)  Forced draft tower 
C)  Closed circuit cooling tower 
D)  Natural draft tower 
A)  Induced draft tower 
B)  Forced draft tower 
C)  Closed circuit cooling tower 
D)  Natural draft tower

Question 7

Which of the following is the symbol for an induced draft cross flow tower?

Accepted Answer

A)    
B)    
C)    
D)    
A)    
B)    
C)    
D)

Question 8

What should process technicians do when monitoring and maintaining cooling towers?

Accepted Answer

A)  Look for leaks 
B)  Observe filter screens for plugging 
C)  Check for proper water distribution on top of the tower 
D)  All of the above 
A)  Look for leaks 
B)  Observe filter screens for plugging 
C)  Check for proper water distribution on top of the tower 
D)  All of the above

Question 9

Where is makeup water taken from?

Accepted Answer

A)  Lakes 
B)  Rivers 
C)  Waterways 
D)  All of the above 
A)  Lakes 
B)  Rivers 
C)  Waterways 
D)  All of the above

Question 10

Why are chemicals added to cooling water?

Accepted Answer

A)  To avoid algae growth 
B)  To make it safe to drink 
C)  To improve the smell 
D)  To make it safe to touch 
A)  To avoid algae growth 
B)  To make it safe to drink 
C)  To improve the smell 
D)  To make it safe to touch

Question 11

What improper operation can lead to exposure to harmful microorganisms?

Accepted Answer

A)  Cooling tower fan shut-off during cold months 
B)  Excessive fan speed 
C)  Formation of ice-fog when operating in cold climates 
D)  Improper /incorrect treatment of cooling water chemically 
A)  Cooling tower fan shut-off during cold months 
B)  Excessive fan speed 
C)  Formation of ice-fog when operating in cold climates 
D)  Improper /incorrect treatment of cooling water chemically

Question 12

What is the material that breaks water into smaller droplets as it falls inside the cooling tower, creating greater surface exposure area?

Accepted Answer

A)  Fill 
B)  Fan 
C)  Drift eliminator 
D)  Makeup water 
A)  Fill 
B)  Fan 
C)  Drift eliminator 
D)  Makeup water

Question 13

What cooling towers use temperature differences inside and outside the stack to facilitate air movement?

Accepted Answer

A)  Induced draft tower 
B)  Forced draft tower 
C)  Closed circuit cooling tower 
D)  Natural draft tower 
A)  Induced draft tower 
B)  Forced draft tower 
C)  Closed circuit cooling tower 
D)  Natural draft tower

Question 14

What improper operation can lead to algae growth or sludge buildup that can foul process equipment?

Accepted Answer

A)  Excess blowdown 
B)  Circulating cooling water through a heat exchanger with ruptured tubes 
C)  Formation of ice-fog when operating in cold climates 
D)  Improper /incorrect treatment of cooling water chemically 
A)  Excess blowdown 
B)  Circulating cooling water through a heat exchanger with ruptured tubes 
C)  Formation of ice-fog when operating in cold climates 
D)  Improper /incorrect treatment of cooling water chemically

Question 15

What is the most commonly used cooling tower in industrial process applications?

Accepted Answer

A)  Air conditioner 
B)  Open circuit cooling tower 
C)  Closed circuit cooling tower 
D)  Daddy circuit cooling tower 
A)  Air conditioner 
B)  Open circuit cooling tower 
C)  Closed circuit cooling tower 
D)  Daddy circuit cooling tower

Exam 21: Cooling Towers

Which of the following can cause off-spec products to be produced?

What allows air intake in a cooling tower?

What factor has an impact on cooling tower performance?

What is cooling tower operation is based on?

Which of the following is the symbol for a natural draft counter-flow cooling tower?

What cooling towers use a heat exchange coil through which the working fluid passes and over which water is sprayed?

Which of the following is the symbol for an induced draft cross flow tower?

What should process technicians do when monitoring and maintaining cooling towers?

Where is makeup water taken from?

Why are chemicals added to cooling water?

What improper operation can lead to exposure to harmful microorganisms?

What is the material that breaks water into smaller droplets as it falls inside the cooling tower, creating greater surface exposure area?

What cooling towers use temperature differences inside and outside the stack to facilitate air movement?

What improper operation can lead to algae growth or sludge buildup that can foul process equipment?

What is the most commonly used cooling tower in industrial process applications?

Process Technology: an Overview

Mineral Extraction Industries: Oil and Gas and Mining

Chemical and Pharmaceutical Industries

Power Generation Industry

Food and Beverage Industry

Water and Wastewater Treatment Industry

Pulp and Paper Industry

Working in Teams

Safety, Health, Environment, and Security

Quality

Basic Physics

Basic Chemistry

Process Drawings

Piping and Valves

Vessels

Pumps

Compressors

Turbines

Electricity and Motors

Heat Exchangers

Furnaces

Boilers

Distillation

Process Service Utilities

Process Auxiliaries

Instrumentation

Filters