RSES CMS Dynamic Compression Practice Questions - RSES Certificate Member Specialist (CMS) - Dynamic Compression Exam - RSES CMS Dynamic Compression Practice Questions - RSES Certificate Member Specialist (CMS)

Question 1

In a centrifugal refrigeration compressor, the rotating component that adds kinetic energy (velocity) to the refrigerant gas is called the:

Diffuser Impeller Volute Inlet guide vane

Correct Answer:

Impeller

Question 2

In a centrifugal compressor, the high-velocity gas leaving the impeller is converted into pressure primarily by the:

Impeller eye Diffuser Inducer Shaft seal

Correct Answer:

Diffuser

Question 3

A centrifugal compressor is classified as which type of compressor?

Positive-displacement Dynamic Reciprocating Rotary-vane

Correct Answer:

Dynamic

Question 4

Compared with a positive-displacement compressor, a centrifugal compressor generally:

Handles very low volumes at very high pressure ratios per stage Handles large volumes of gas at relatively low pressure ratios per stage Cannot be used with refrigerants Produces a pulsating, intermittent discharge

Correct Answer:

Handles large volumes of gas at relatively low pressure ratios per stage

Question 5

Surge in a centrifugal compressor is best described as:

Excessive oil foaming in the sump A momentary flow reversal where discharge gas flows backward through the impeller Liquid refrigerant flooding the evaporator The point of maximum flow where capacity stops increasing

Correct Answer:

A momentary flow reversal where discharge gas flows backward through the impeller

Question 1

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About this Exam

Prepare with the RSES CMS Dynamic Compression Practice Questions - RSES Certificate Member Specialist (CMS) - Dynamic Compression Exam practice quiz. This question bank includes 100 questions covering centrifugal, compressor, chiller, pressure, and refrigerant. Use it to review important concepts, identify knowledge gaps, and build confidence for the related exam, course, or assessment.

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RSES CMS Dynamic Compression Practice Questions - RSES Certificate Member Specialist (CMS) - Dynamic Compression Exam

This practice set contains 100 questions from the matching question bank and focuses on centrifugal, compressor, chiller, pressure, and refrigerant. Work through each question carefully, review the provided solutions, and revisit topics that need more study before your next attempt.

This is an independent study resource intended for practice and review; it is not an official examination or an endorsement by any organization named in the title.

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RSES CMS Dynamic Compression Practice Questions - RSES Certificate Member Specialist (CMS) - Dynamic Compression Exam

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