In some steam tables, the enthalpy of steam is referred to as _____.

In some steam tables, the enthalpy of steam is referred to as _____.
 
  a. total heat value
  b. sensible heat value
  c. latent heat value
  d. saturated heat value

 Q. 2

The organization(s) that test and list circuit breakers is/are _____.
 
  a. IEEE
  b. OSHA and NEMA
  c. CSA and UL
  d. UL and NEMA
  AGRICULTURAL MECHANICS AND METAL TECHNOLOGIES - TX. ED., VOL. 2 MODULE 26210-14 EXAM 2
  Copyright  2017 NCCER. Permission is granted to reproduce this page provided that copies are for local use only and that each copy
  contains this notice.

 Q. 3

When should gauges be installed on small critically charged systems?
 
  A) Whenever the system is checked
  B) Only when other diagnostic means have been exhausted
  C) Routinely, at least every year
  D) Monthly to insure the charge is still correct