The number of semester credit hours required for an associate degree depends on the college and degree program. In general, an associate degree takes two years full time and represents half the work required for a bachelor's degree.
A dekatherm (dth) is a unit of energy used primarily to measure natural gas, developed in about 1972 by the Texas Eastern Transmission Corporation, a natural gas pipeline company. It is equal to 10 therms or 1,000,000 British thermal units (MMBtu).
Flash Gas before a metering device. Flash gas is a result of refrigerant that has not fully returned to a liquid state. Phase change in a refrigerant cycle refers to the refrigerant going from a liquid to a gas and back again. In the case of liquid flashing before a metering device a number of causes can be found.