Plate Heat Exchanger Fundamentals Quiz

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Plate Heat Exchanger

Fundamentals Course

Quiz

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Plate Heat Exchanger Fundamentals Course Quiz

QUESTION 1

When multiple plates are pressed together, they form a…

QUESTION 3

Hot fluids usually flow into heat exchangers at the…

QUESTION 4

What type of gasket is shown in this image

(there may be more than one correct answer)?

QUESTION 2

What is the name of the hole in the gasket that

the arrow is pointing to?

a) Plate Matt

b) Plate Sack

c) Plate Tap

d) Plate Stack

a) Top

b) Bottom

c) Side

a) Start

b) End

c) Middle

a) Sellsale

b) Telltale

c) Turtle Tail

d) Spurt Hole

QUESTION 5

What is the name of the pattern

shown in this image?

a) Fish bone.

b) Dinosaur bone.

c) Herringbone.

d) Hermitbone.

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Plate Heat Exchanger Fundamentals Course Quiz

QUESTION 7

There may be more than one correct answer to this question. The

words ‘plate heat exchanger’ are sometimes expressed as…

QUESTION 8

What type of plate heat exchanger

design is shown in this image?

QUESTION 6

What type of plate heat

exchanger design is shown

in this image?

a) PHX

b) PHE

c) PHR

d) PHH

a) Three pass.

b) Four pass.

c) Two pass.

d) Single pass.

a) Three pass.

b) Four pass.

c) Two pass.

d) Single pass.

QUESTION 9

Select ALL of the reasons for using corrugated plates rather than

flat plates.

a) Stiffens the plate allowing for a thinner plate.

b) Promotes turbulent flow.

c) Looks good.

d) Reduces the likelihood of deposits forming on the plates.

e) Reduces the heat transfer rate.

f) Increases the heat transfer rate by creating turbulent flow.

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Plate Heat Exchanger Fundamentals Course Quiz

QUESTION 10

Which of these are NOT components of a plate heat exchanger?

QUESTION 11

Which heat exchanger is more efficient?

QUESTION 12

What is ONE disadvantage of plate heat exchangers compared to

other heat exchanger types?

a) Tube sheet.

b) Tubes.

c) Plate.

d) Carry bar.

e) Guide bar.

f) Baffle.

a) Plate heat exchanger.

b) Shell and tube heat exchanger.

a) They are not as efficient.

b) They transfer less heat.

c) They are larger.

d) They generally cost more.

QUESTION 14

What is ONE advantage associated with the plate heat exchanger

design?

a) Leaks are easy to find.

b) They require no maintenance.

c) They are very cheap.

d) The cooling capacity can be varied.

QUESTION 13

What is ONE disadvantage of plate heat exchangers compared to

other heat exchanger types?

a) Leaks are easy to find.

b) They are cheap.

c) Leaks are difficult to find.

d) They are difficult to maintain.

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Plate Heat Exchanger Fundamentals Course Quiz

QUESTION 15

What is ONE disadvantage associated with a GASKETED plate

heat exchanger design?

QUESTION 16

What is ONE advantage associated with the plate heat exchanger

design?

a) They are cheaper than shell and tube heat exchangers.

b) They are not suitable for high pressures and temperatures.

c) Their cooling capacity cannot be varied.

a) Leaks are easy to find.

b) They require no maintenance.

c) They require comparatively less space compared to other

heat exchanger designs.

d) They are very cheap

QUESTION 17

What is ONE advantage associated with the plate heat exchanger

design?

a) They have a comparatively high heat transfer rate.

b) They require no maintenance.

c) They require no spare parts.

d) They are very cheap.

QUESTION 18

Which of the below answers increases the heat transfer rate of a

heat exchanger?

a) Laminar flow.

b) Tubular flow.

c) Turbulent flow.

d) Corpulent flow.

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Plate Heat Exchanger Fundamentals Course Quiz

QUESTION 19

Why are some plate heat exchangers brazed or welded, rather

than sealed using gaskets? There may be more than one answer.

QUESTION 20

A plate heat exchanger can consist of a maximum of 64 plates.

a) Because its cheaper.

b) It makes maintenance easier.

c) Because gasketed heat exchangers are no longer available.

d) Because the heat exchanger has a corrosive, toxic, or

poisonous fluid flowing through it.

e) Because the heat exchanger must withstand higher

pressures and temperatures.

a) True

b) False

QUESTION 21

There are only two heat exchanger designs available on the

market.

QUESTION 22

You should always cross-tighten when assembling a plate stack.

a) True

b) False

a) True

b) False

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Plate Heat Exchanger Fundamentals Course Quiz

QUESTION 24

You should check the torque when reassembling the plate stack

to ensure you have not crushed the plates.

QUESTION 23

There may be more than one correct answer to this question.

You should ensure the plate stack has been correctly

reassembled by…

a) True

b) False

a) Measuring the distance between the fixed and movable plates

before and after maintenance.

b) ‘Feeling’ if the stack has been assembled again correctly.

c) Putting a diagonal line on the plate stack and checking it once

the stack is reassembled.

d) Checking the plate tags/indicators and that they are in

alignment and the correct order.

QUESTION 25

Which of these is NOT a component of a plate heat exchanger.

a) Tie bar.

b) Carry bar.

c) Crowbar.

d) Plate

e) Moveable Plate

f) Fixed Plate

QUESTION 26

What flow type is shown in this image

(there may be more than one answer)?

a) Parallel Flow

b) Cross Flow

c) Uni Flow

d) Fast Flow

e) Contra Flow

f) Counter Flow

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Plate Heat Exchanger Fundamentals Course Quiz

QUESTION 27

What flow type is shown in this image

(there may be more than one answer)?

a) Parallel Flow

b) Cross Flow

c) Uni Flow

d) Fast Flow

e) Contra Flow

f) Counter Flow

QUESTION 28

What flow type is shown in this image

(there may be more than one answer)?

QUESTION 29

Which flow type is the most efficient flow type?

QUESTION 30

Which flow type is represented

by this graph?

a) Parallel Flow

b) Cross Flow

c) Uni Flow

d) Fast Flow

e) Contra Flow

f) Counter Flow

a) Parallel Flow

b) Cross Flow

c) Uni Flow

d) Fast Flow

e) Counter Flow

a) Parallel Flow

b) Cross Flow

c) Uni Flow

d) Fast Flow

e) Counter Flow

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Plate Heat Exchanger Fundamentals Course Quiz

QUESTION 31

Which flow type is represented

by this graph?

a) Parallel Flow

b) Cross Flow

c) Uni Flow

d) Fast Flow

e) Counter Flow

QUESTION 32

Which flow type is represented by this graph?

a) Parallel Flow

b) Cross Flow

c) Uni Flow

d) Fast Flow

e) Counter Flow

QUESTION 33

Hot fluids usually flow in at the top of a heat exchanger whilst

cold fluids flow in at the bottom.

a) True

b) False

QUESTION 34

Select ALL the correct answers. Turbulent flow…

a) Should be reduced as much as possible.

b) Reduces the heat transfer rate.

c) Increases the heat transfer rate.

d) Helps prevent deposits forming on the plates.

QUESTION 35

Any deposits or foreign material on the plate surfaces will reduce

the heat transfer rate of the heat exchanger.

a) True

b) False

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Plate Heat Exchanger Fundamentals Course Quiz

QUESTION 36

There may be more than one answer to this question. Varying

the cooling capacity can be achieved by…

QUESTION 37

Its possible to vary the cooling capacity of the plate heat

exchanger by blocking/isolating individual plates.

QUESTION 38

Gaskets control the flow direction through the heat exchanger.

QUESTION 39

By definition, a heat exchanger exchanges heat without allowing

the two flowing mediums to come into contact with each other.

QUESTION 40

Heat exchanger plates are often manufactured from titanium

alloy or stainless steel.

a) Throttling/regulating the discharge valves.

b) Throttling/regulating the inlet valves.

c) Varying the number of plates in the plate stack.

d) Varying the number of gaskets used.

e) Varying the torque when the plate stack is assembled.

a) True

b) False

a) True

b) False

a) True

b) False

a) True

b) False

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