MDE 12 End of Unit Quiz

MDE 12 End Of Unit Quiz

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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

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

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

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

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Question 3:

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

A) On the sides of the heat exchanger

D) On the front and back of the heat exchanger

C) On the corners of the heat exchanger

B) On the top and bottom of the heat exchanger

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Question 4:

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

B) Crossflow

A) Parallel flow

D) Radial flow

C) Counter-current flow

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Question 4:

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

D) To increase the overall weight of the heat exchanger

B) To provide structural support to the heat exchanger

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

C) To separate the hot and cold fluids

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Question 1:

In a plate-type heat exchanger, how are the plates arranged to facilitate heat transfer?

A) Plates are arranged in a spiral pattern

C) Plates are arranged in a parallel pattern with each plate having its own independent channel

B) Plates are arranged in a single stack with alternating flow channels

D) Plates are arranged in a stacked circular configuration with a common central inlet

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Question:

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

D) To allow the plates to be more flexible

A) To reduce the weight of the heat exchanger

C) To make the plates easier to manufacture

B) To increase the surface area for heat transfer

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Question 3:

What is the primary purpose of gaskets in a plate-type heat exchanger?

B) To prevent cross-contamination between the fluids

D) To maintain the structural integrity of the plates

A) To increase the heat transfer rate

C) To direct the flow of fluids through the heat exchanger

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Question 5:

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

D) The pressure plates

B) The bolts and frame

C) The flow distribution plates

A) The gaskets

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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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Question:

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

D) Plates: Brass; Seals: Silicone

B) Plates: Copper; Seals: Teflon

A) Plates: Aluminum; Seals: Rubber

C) Plates: Stainless steel; Seals: Nitrile rubber

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Question:

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

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

A) To indicate the flow direction of fluids

B) To provide an early warning of seal failure

C) To reduce the noise generated during operation

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Question 2:

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

A) Stacked horizontally with alternating flow channels

C) Positioned vertically with separate compartments for each fluid

D) Layered with cooling fins between each plate

B) Arranged in a spiral pattern for increased efficiency

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