Helical gear compressors have two mating:

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Multiple Choice

Helical gear compressors have two mating:

Explanation:
In a helical gear (screw) compressor, two rotors with grooves intermesh to create the compression chambers. The grooves on each rotor trap pockets of gas as the rotors turn. As they continue to rotate, the volume of those pockets decreases, squeezing the gas and driving it toward the discharge side. This interlocking, grooved rotor arrangement is what actually generates the compression. Plain gears wouldn’t form the sealed compression pockets, and shafts or pulleys aren’t the parts that trap and compress the gas.

In a helical gear (screw) compressor, two rotors with grooves intermesh to create the compression chambers. The grooves on each rotor trap pockets of gas as the rotors turn. As they continue to rotate, the volume of those pockets decreases, squeezing the gas and driving it toward the discharge side. This interlocking, grooved rotor arrangement is what actually generates the compression.

Plain gears wouldn’t form the sealed compression pockets, and shafts or pulleys aren’t the parts that trap and compress the gas.

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