Deffinitions Flashcards
1
Q
What is calorific value (heating value)?
A
# of BTU's in a specific volume of fuel gas. E.g. Methane gas (CH4) has a calorific value of 1000 BTU/ft ³
2
Q
What is the freezing point of mercury?
A
-39 °F (-39 °C)
3
Q
What is specific heat capacity?
A
Amount of heat to raise one unit of mass, one degree!
E.g. The specific heat capacity of water is 1.0 BTU/lb°F (4.20 kJ/kg°C)
4
Q
What is matter?
A
Anything that has mass and occupies space.
5
Q
What causes solder to flow into a joint?
A
Adhesion and capillary action
6
Q
What is the density of water?
A
62.4 lbs/ft³ or 1000 kg/m³
7
Q
A substance that cannot be chemically reduced any further is a/an:
A) atom
B) compound
C) element
D) molecule
A
C) an element
