MDE 12 Q1

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Question:

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

C) To reduce the noise generated during operation

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

B) To provide an early warning of seal failure

A) To indicate the flow direction of fluids

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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?

A) The end covers

D) The distribution ports

B) The support frame

C) The flow directors

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Question 1:

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

B) Gasketed plates

C) Cooling fins

D) Tubes and shell

A) Baffle plates

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Question:

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

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

D) To allow the plates to be more flexible

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Question 2:

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

C) Positioned vertically with separate compartments for each fluid

A) Stacked horizontally with alternating flow channels

B) Arranged in a spiral pattern for increased efficiency

D) Layered with cooling fins between each plate

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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 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:

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

C) Plates: Stainless steel; Seals: Nitrile rubber

A) Plates: Aluminum; Seals: Rubber

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