MDE 12 End of Unit Quiz

MDE 12 End Of Unit Quiz

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Question 1:

Which of the following is a key component of a plate-type heat exchanger?

D) Tubes and shell

A) Baffle plates

B) Gasketed plates

C) Cooling fins

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Question 4:

In a typical plate-type heat exchanger, what is the common flow configuration?

A) Parallel flow

C) Counter-current flow

B) Crossflow

D) Radial flow

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Question 2:

In a plate-type heat exchanger, how are the plates typically arranged?

B) Arranged in a spiral pattern for increased efficiency

D) Layered with cooling fins between each plate

C) Positioned vertically with separate compartments for each fluid

A) Stacked horizontally with alternating flow channels

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Question:

With reference to plate-type heat exchangers, what is the purpose of tell-tales?

A) To indicate the flow direction of fluids

D) To help with the alignment of the plates during assembly

C) To reduce the noise generated during operation

B) To provide an early warning of seal failure

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Question 4:

What is the purpose of the flow distribution plates in a plate-type heat exchanger?

B) To provide structural support to the heat exchanger

D) To increase the overall weight of the heat exchanger

C) To separate the hot and cold fluids

A) To direct the fluid evenly across the entire plate surface

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Question 3:

In a plate-type heat exchanger, where are the fluid inlet and outlet connections typically located?

C) On the corners of the heat exchanger

B) On the top and bottom of the heat exchanger

A) On the sides of the heat exchanger

D) On the front and back of the heat exchanger

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Question 5:

Which component in a plate-type heat exchanger directs the flow of fluids and ensures proper distribution across the plates?

C) The flow directors

D) The distribution ports

A) The end covers

B) The support frame

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Question:

With reference to plate-type heat exchangers, what is the purpose of the plates being corrugated?

B) To increase the surface area for heat transfer

A) To reduce the weight of the heat exchanger

D) To allow the plates to be more flexible

C) To make the plates easier to manufacture

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Question 5:

Which component in a plate-type heat exchanger helps to maintain the spacing between the plates?

A) The gaskets

B) The bolts and frame

C) The flow distribution plates

D) The pressure plates

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Question:

State THREE advantages of plate-type heat exchangers compared to tube-type heat exchangers.

A) Higher heat transfer efficiency, smaller footprint, and easier maintenance

D) Higher durability, simpler construction, and better temperature control

C) Lower pressure drop, higher fluid velocities, and reduced fouling

B) Lower manufacturing cost, higher corrosion resistance, and less space requirement

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Question:

With reference to plate-type heat exchangers, which materials are commonly used for the plates and seals?

C) Plates: Stainless steel; Seals: Nitrile rubber

D) Plates: Brass; Seals: Silicone

A) Plates: Aluminum; Seals: Rubber

B) Plates: Copper; Seals: Teflon

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Question 2:

What is the primary function of the gaskets or seals in a plate-type heat exchanger?

D) To insulate the heat exchanger from external temperatures

A) To support the plates mechanically

B) To ensure the fluids do not mix and to prevent leakage

C) To facilitate the flow of fluids between the plates

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