.Refrigerant characteristics shown on a pressure-enthalpy diagram include:
A) Valence, atomic number, and specific volume.
B) Pressure, heat, and temperature.
C) Molecular weight, specific heat factor, and density.
D) Molecular weight, valence, specific gravity, and atomic number.
Question 2
How can infrared light be used to detect refrigerant?
A) Refrigerant turns the infrared light blue.
B) Infrared sensors change resistance in the presence of refrigerant.
C) Infrared sensors interact with oxygen at different rates depending on the refrigerant exposure.
D) Most gasses absorb infrared light at a characteristic frequency.
Chordate characteristics
Tracheostomy. A tracheotomy, or incision into the trachea, is performed to create an opening into th
Blood Pressure Chart
Causes of Blood Pressure Variations
Testing the Chemical Characteristics of Urine with Reagent Strips
Societal pressure to be thin can cause people to feel fat