An advantage of open drive compressors is that: A) They are ...

[nautica902]

An advantage of open drive compressors is that:
 
  A) They are generally less expensive that comparable semi-hermetic compressors.
  B) The motor and compressor can be replaced separately.
  C) They require no type of regular maintenance.
  D) They are smaller and more compact than hermetic compressors.

Question 2

A system that protects workers from the release of hazardous energy while they work with machines and
  equipment is referred to as _____.
 
  a. a disconnect
  b. a barricade system
  c. lockout/tagout
  d. an energy-neutral system

[Pswine]

Answer to Question 1

B

Answer to Question 2

c