Author Question: How can hermetic compressors be characterized? A) They have a welded shell with a shaft that ... (Read 30 times)

beccaep · **on:** Jul 24, 2018

How can hermetic compressors be characterized?

A) They have a welded shell with a shaft that connects to an external motor.
B) They have a bolted housing that encloses both the compressor and motor.
C) They have a shaft that connects to an external motor.
D) They have a welded shell, which holds both the compressor and motor.

Question 2

Three different design screw compressors are:

A) Single screw with gate rotors, dual screw, and triple screw.
B) Single screw, compound screw, and compound-complex screw.
C) Micro screw for small appliances, standard screw for 25-ton applications, and mega screw for industrial applications.
D) Open screw, semihermetic screw, and variable screw.