MDE 12 End of Unit Quiz

MDE 12 End Of Unit Quiz

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Question:

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

C) To make the plates easier to manufacture

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

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Question 4:

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

D) Radial flow

C) Counter-current flow

A) Parallel flow

B) Crossflow

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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

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

C) To facilitate the flow of fluids between the plates

A) To support the plates mechanically

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Question:

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

B) Plates: Copper; Seals: Teflon

C) Plates: Stainless steel; Seals: Nitrile rubber

D) Plates: Brass; Seals: Silicone

A) Plates: Aluminum; Seals: Rubber

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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 5:

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

D) The distribution ports

A) The end covers

B) The support frame

C) The flow directors

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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

A) Stacked horizontally with alternating flow channels

D) Layered with cooling fins between each plate

C) Positioned vertically with separate compartments for each fluid

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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

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

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

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Question:

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

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

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

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

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

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Question 3:

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

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

B) To prevent cross-contamination between the fluids

A) To increase the heat transfer rate

D) To maintain the structural integrity of the plates

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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

B) To provide an early warning of seal failure

C) To reduce the noise generated during operation

A) To indicate the flow direction of fluids

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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

A) The gaskets

C) The flow distribution plates

B) The bolts and frame

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