Unit 23 Quiz

What would be considered a higher-than-normal temperature for a discharge gas line on a reciprocating compressor?

• 190°F

• 215°F

• 250°F

• All of the above

The two housings used for reciprocating compressors are ___ and ___.

• rotary and open
• centrifugal and screw

• rotary and semi-hermetic

• hermetic and open

Which compressor type uses pistons to compress the gas?

• Scroll

• Reciprocating

• Rotary

• Screw

Open-drive compressors are manufactured in two styles,____ and ____.

• belt drive and automatic drive

• direct drive and rigid drive

• belt drive and direct drive

• pneumatic and electronic

Which compressor type uses tapered, machined gear components to trap the gas for compression?

• Scroll

• Reciprocating

• Rotary

• Screw

A _______ in a reciprocating compressor transmits the circular motion of the rods into a back-and-forth motion for the pistons.

• reed valve

• valve plate

• crankshaft

• muffler

Tags

NGSS.MS-PS2-1

NGSS.MS-PS2-2

Which style of compressor uses belts to turn the compressor?

• Open drive

• Closed drive

• Chassis drive

• Hermetic drive

What would be done to increase the compressor speed on a belt-driven compressor?

• Decrease drive pulley size

• Increase drive pulley size

• Increase driven pulley size

• Increase belt size

The part of the cylinder assembly that is exposed to high-pressure gas during compression is the ______.

• piston

• connecting rods

• crankshaft

• valve plate

At what speeds in rpm does a hermetic compressor normally turn?

• 1750

• 3450

• 4500

• 1350