Question 1

____________ draft cooling towers use natural forces to bring air into a cooling tower while ____________ draft towers use fans to induce or force air into a tower.

Accepted Answer

A)  natural & mechanical 
B)  cross and counter-current flow 
C)  vertical and horizontal 
D)  normal and modern 
A)  natural & mechanical 
B)  cross and counter-current flow 
C)  vertical and horizontal 
D)  normal and modern A

Question 2

Draw a simple atmospheric cooling tower. Identify basic components.

Accepted Answer

A simple atmospheric cooling tower is typically composed of several basic components. These include a water inlet pipe, a distribution system (such as nozzles or fill material) to evenly distribute the water over the tower's surface, a fan or natural draft system to draw air through the tower, a drift eliminator to prevent water droplets from escaping with the exhaust air, and a water outlet pipe. In addition, some cooling towers may also have a sump at the bottom to collect and hold the cooled water before it is recirculated back into the system. These components work together to facilitate the transfer of heat from the water to the air, thus cooling the water before it is reused in industrial processes or air conditioning systems.

Question 3

The measurement of how much water the air has absorbed at a given temperature.

Accepted Answer

A)  relative humidity 
B)  standard humidity 
C)  wet bulb 
D)  approach to the tower 
A)  relative humidity 
B)  standard humidity 
C)  wet bulb 
D)  approach to the tower A

Question 4

The temperature delta that exists between the water leaving the tower and the wet bulb temperature of the air entering the tower.

Accepted Answer

A)  wet bulb ÷ dry bulb 
B)  relative humidity ÷ dry bulb 
C)  approach to tower 
D)  temperature delta 
A)  wet bulb ÷ dry bulb 
B)  relative humidity ÷ dry bulb 
C)  approach to tower 
D)  temperature delta

Question 5

Draw a simple induced-draft cooling tower with counter-flow.

Accepted Answer

As an AI text-based model, I'm unable to

Question 6

A term applied to fluid flow that is equally distributed to multiple pieces of equipment. Example heat exchanger

Accepted Answer

A)  parallel flow 
B)  series flow 
C)  cross flow 
D)  counter-current flow 
A)  parallel flow 
B)  series flow 
C)  cross flow 
D)  counter-current flow

Question 7

The rate of air flow in a natural draft cooling tower depends primarily on _________________.

Accepted Answer

A)  wind velocity 
B)  temperature 
C)  air intake louver position 
D)  a & b 
A)  wind velocity 
B)  temperature 
C)  air intake louver position 
D)  a & b

Question 8

Heat that can be measured or sensed is referred to as:

Accepted Answer

A)  latent heat of vaporization 
B)  latent heat of condensation 
C)  sensible heat 
D)  latent heat of fusion 
A)  latent heat of vaporization 
B)  latent heat of condensation 
C)  sensible heat 
D)  latent heat of fusion

Question 9

A term applied to fluid flow that is directed into one piece of equipment before exiting and entering another. Example heat exchanger

Accepted Answer

A)  parallel flow 
B)  series flow 
C)  cross flow 
D)  counter-current flow 
A)  parallel flow 
B)  series flow 
C)  cross flow 
D)  counter-current flow

Question 10

Which hyperbolic tower is more efficient; counter-flow, cross-flow?

Accepted Answer

A)  counterflow 
B)  cross-flow 
A)  counterflow 
B)  cross-flow

Question 11

A cooling tower is classified by:

Accepted Answer

A)  How it produces air flow; mechanical or natural. 
B)  How the air flows in relation to the downward flow of water; cross or counter current. 
C)  How the water flows in relation to the downward flow of air, cross or counter. 
D)  a & b 
A)  How it produces air flow; mechanical or natural. 
B)  How the air flows in relation to the downward flow of water; cross or counter current. 
C)  How the water flows in relation to the downward flow of air, cross or counter. 
D)  a & b

Question 12

Which tower is most efficient, forced or induced? What happens to the flow rate at the discharge point?

Accepted Answer

A)  forced, speeds-up, efficiency increase 
B)  forced, slows-down, efficiency decrease 
C)  induced, speeds-up, efficiency increase 
D)  induced, slows-down, efficiency decrease 
A)  forced, speeds-up, efficiency increase 
B)  forced, slows-down, efficiency decrease 
C)  induced, speeds-up, efficiency increase 
D)  induced, slows-down, efficiency decrease

Question 13

Draw a simple flow diagram of a cooling tower, pump, valves and three heat exchangers in series service.

Accepted Answer

To draw a simple flow diagram of a cooli

Question 14

Which hyperbolic tower gets higher air flow; counter-flow, cross-flow?

Accepted Answer

A)  counterflow 
B)  cross-flow 
A)  counterflow 
B)  cross-flow

Question 15

The efficiency of a tower is tied to all of the following factors except:

Accepted Answer

A)  relative humidity 
B)  temperature 
C)  wind velocity 
D)  personnel 
E)  equipment condition
F) tower design
G) water contamination 
A)  relative humidity 
B)  temperature 
C)  wind velocity 
D)  personnel 
E)  equipment condition
F) tower design
G) water contamination

Question 16

Vents located on the side of a cooling tower.

Accepted Answer

A)  louvers 
B)  drift eliminators 
C)  columns 
D)  splash bars 
A)  louvers 
B)  drift eliminators 
C)  columns 
D)  splash bars

Question 17

Hot water has all of the following characteristics except:

Accepted Answer

A)  Hot water dissolves a little bit of everything it comes in contact with. By the time the hot water returns to the tower it is full of suspended solids. 
B)  Hot water also has a tendency to become corrosive and deposit forming. 
C)  When hot water enters the cooling tower laced with suspended solids it undergoes evaporation. This process removes water and leaves the solids. The remaining fluid concentrates in the basin. Over time this concentration will build up to levels that must be controlled. 
D)  Increases oxygen level in the water raising pH levels. 
A)  Hot water dissolves a little bit of everything it comes in contact with. By the time the hot water returns to the tower it is full of suspended solids. 
B)  Hot water also has a tendency to become corrosive and deposit forming. 
C)  When hot water enters the cooling tower laced with suspended solids it undergoes evaporation. This process removes water and leaves the solids. The remaining fluid concentrates in the basin. Over time this concentration will build up to levels that must be controlled. 
D)  Increases oxygen level in the water raising pH levels.

Question 18

Identify the following components:

Accepted Answer

1) Water distribution system
2

Question 19

A cooling tower has a(n):

Accepted Answer

A)  box shaped collection of multi-layered wooden slats and louvers that direct air flow and breaks up water as it falls from the top of the tower or water distribution header. 
B)  internal design of the tower ensures good air and water contact. 
C)  chimney design used to move air flow by buoyancy forces. 
D)  a & b 
A)  box shaped collection of multi-layered wooden slats and louvers that direct air flow and breaks up water as it falls from the top of the tower or water distribution header. 
B)  internal design of the tower ensures good air and water contact. 
C)  chimney design used to move air flow by buoyancy forces. 
D)  a & b

Question 20

Hyperbolic towers are primarily designed for service in what industry?

Accepted Answer

A)  chemical plants 
B)  power plants 
C)  refineries 
D)  fertilizer plants 
A)  chemical plants 
B)  power plants 
C)  refineries 
D)  fertilizer plants

draft cooling towers use natural forces to bring air into a cooling tower while draft towers use fans to induce or force air into a tower.

Draw a simple atmospheric cooling tower. Identify basic components.

The measurement of how much water the air has absorbed at a given temperature.

The temperature delta that exists between the water leaving the tower and the wet bulb temperature of the air entering the tower.

Draw a simple induced-draft cooling tower with counter-flow.

A term applied to fluid flow that is equally distributed to multiple pieces of equipment. Example heat exchanger

The rate of air flow in a natural draft cooling tower depends primarily on _________________.

Heat that can be measured or sensed is referred to as:

A term applied to fluid flow that is directed into one piece of equipment before exiting and entering another. Example heat exchanger

Which hyperbolic tower is more efficient; counter-flow, cross-flow?

A cooling tower is classified by:

Which tower is most efficient, forced or induced? What happens to the flow rate at the discharge point?

Draw a simple flow diagram of a cooling tower, pump, valves and three heat exchangers in series service.

Which hyperbolic tower gets higher air flow; counter-flow, cross-flow?

The efficiency of a tower is tied to all of the following factors except:

Vents located on the side of a cooling tower.

Hot water has all of the following characteristics except:

Identify the following components:

A cooling tower has a(n):

Hyperbolic towers are primarily designed for service in what industry?

Introduction to Process Equipment

Valves

Piping and Vessels

Pumps

Compressors

Turbines and Motors

Heat Exchangers

Steam Generation- Boilers

Fired Heaters Furnaces

Instruments

Process Diagrams

Utility Systems

Reaction Systems

Distillation Systems

Extraction and Other Separation Systems

Plastics Systems

Filters

Exam 8: Cooling Towers

____________ draft cooling towers use natural forces to bring air into a cooling tower while ____________ draft towers use fans to induce or force air into a tower.

Draw a simple atmospheric cooling tower. Identify basic components.

The measurement of how much water the air has absorbed at a given temperature.

The temperature delta that exists between the water leaving the tower and the wet bulb temperature of the air entering the tower.

Draw a simple induced-draft cooling tower with counter-flow.

A term applied to fluid flow that is equally distributed to multiple pieces of equipment. Example heat exchanger

The rate of air flow in a natural draft cooling tower depends primarily on _________________.

Heat that can be measured or sensed is referred to as:

A term applied to fluid flow that is directed into one piece of equipment before exiting and entering another. Example heat exchanger

Which hyperbolic tower is more efficient; counter-flow, cross-flow?

A cooling tower is classified by:

Which tower is most efficient, forced or induced? What happens to the flow rate at the discharge point?

Draw a simple flow diagram of a cooling tower, pump, valves and three heat exchangers in series service.

Which hyperbolic tower gets higher air flow; counter-flow, cross-flow?

The efficiency of a tower is tied to all of the following factors except:

Vents located on the side of a cooling tower.

Hot water has all of the following characteristics except:

Identify the following components:

A cooling tower has a(n):

Hyperbolic towers are primarily designed for service in what industry?

Introduction to Process Equipment

Valves

Piping and Vessels

Pumps

Compressors

Turbines and Motors

Heat Exchangers

Steam Generation- Boilers

Fired Heaters Furnaces

Instruments

Process Diagrams

Utility Systems

Reaction Systems

Distillation Systems

Extraction and Other Separation Systems

Plastics Systems

Filters

draft cooling towers use natural forces to bring air into a cooling tower while draft towers use fans to induce or force air into a tower.