MDE 12 Q1

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Question:

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

A) Plates: Aluminum; Seals: Rubber

C) Plates: Stainless steel; Seals: Nitrile rubber

B) Plates: Copper; Seals: Teflon

D) Plates: Brass; Seals: Silicone

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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

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

A) To increase the heat transfer rate

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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

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

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Question 1:

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

B) Gasketed plates

A) Baffle plates

C) Cooling fins

D) Tubes and shell

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Question 4:

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

B) Crossflow

D) Radial flow

A) Parallel flow

C) Counter-current flow

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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

C) To reduce the noise generated during operation

B) To provide an early warning of seal failure

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

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Question 2:

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

D) Layered with cooling fins between each plate

B) Arranged in a spiral pattern for increased efficiency

C) Positioned vertically with separate compartments for each fluid

A) Stacked horizontally with alternating flow channels

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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

B) The support frame

A) The end covers

C) The flow directors

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