Worksheets11. ACR-104 UNIT 23 PRACTICE TEST
Total questions: 10
Worksheet time: 5mins
The two housings used for reciprocating compressors are ___________.
hermetic and open
rotary and open
rotary and semi-hermetic
centrifugal and screw
Open-drive compressors are manufactured in two styles, ____________.
direct drive and rigid drive
belt drive and automatic drive
belt drive and direct drive
pneumatic and electronic
A _________ in a reciprocating compressor transmits the circular motion of the rods into a back-and-forth motion for the pistons.
reed valves
muffler
valve plate
crankshaft
Connecting rods connect the crankshaft to the valve plate.
True
False
The part of the cylinder assembly that is exposed to high-pressure gas during compression is the _________.
connecting rods
valve plate
piston
crankshaft
The ________, located between the head of the compressor and the top of the cylinder wall, holds the suction and discharge flapper valves.
valve plate
muffler
piston
crankshaft
A compressor that has few moving parts, operates quieter than other models and at a higher efficiency is a ____________ compressor.
scroll
screw
rotary
reciprocating
Scroll compressors can use radial movement, which allow the compressor to handle small amounts of liquid.
True
False
In a scroll compressor, there are no volumetric losses through gas re-expansion as with piston-type compressors.
True
False
_________ compressors are refrigeration compressors that are available with capacity modulation from 10% to 100%.
Open-drive
Discus
Rotary
Reciprocating
