Properties of Matter
Anything that has mass and take up space
What is Matter?
Electron that have ______their atomic____are called free electron
what is Escaped and bonds
____is not a substance or an energy form it is a lack of heat
What is Cold
The units used measure heat quantity are therms,calories , kilocalories, and _______.
what is btu's
summarize the first and second laws of thermodynamice
what is 1st law energy cannot be created or destroyed 2nd law heat travels from high temperature to low temperature
What Are Three states of matter in order of their energy level from lowest to highest
What is solid,liquid and gas
____electricity is the result f a standing charge , while ____electricity i in motion
What is static and dynamic
Liquid ______large amounts of heat when they boil off to a gas
what is Absorb
Definite British Thermal Unit
what is the amount of heat it takes to raise one pound of water Fahrenheit.
What is the relationship between electrical conductivity and thermal conductivity
what is material that make a good electrical cnductor also tend to make a good thermal conductor
The tendency of an object to stay in motion
What is Inertia
What is the current draw of a circuit with a resistance of 6 ohms when 120volts is applied to te circuit?
What is I=20 amps
A _______compressor uses pistons in a cylinder.Gas is compresse by squeezing it between the piston and a valve plate at the top of the cylinder
what is reciprocating
How many btus are required to raise the temperature of 15 pound of water from 100 degree f to 120 degree f
what is 300 btus
____is the changing from a liquid to a solid when heat is removed from a liquid
what is Fusion
What is the two general categories for properties of matter are the ___ properties and _____ properties?
What is chemical and Physical
What is the resistance of a circuit operating with a current daw of 5 amps
what is R= 6 ohms
which type of metering device provides the most efficient operation?
what is thermostatic expansion valve
How much mechanical force is required to lift a 250 pounds compressor two feet?
what is 500 foot pounds of force
The refrigerant R-134a in a sytem component has a pressure of 35 psig and a temp.of 40 degree f it is_______
what is saturated
What Phyical change of state from a solid to a gas.
What is Sublimation
What is the current draw of a 1500w electric heater operating ona 120v power supply
what is I= 12.5amps
The _____line and the ______line connect the inside and outside units of a split system.
what is suction and liquid
What energy unit is used today in the SI system for all form of energy?
what is Joules
the amount of heat in btus required to change 5 pounds of 10 degree f to 242 degree f steam
what is 7,550 BTUs