  BTU is short for British Thermal Unit. 1 BTU is the heat required to raise 1 lb of water by 1 degF. So it is a quantity of heat, which is equivalent to a quantity of ene â¦ rgy, in fact 1 BTu = 1.055 kilojoules, so 1 BTU/second = 1.055 kilowatts. This is called the mechanical equivalent of heat.nswer:    A BTU is the amount of heat energy required to raise 1 pound of  water by 1 degree Fahrenheit. So a 30,000 BTU burner can heat  30,000 pounds of water by 1 â¦ degree Fahrenheit.
Renew Your California ID Card. Your California ID card is valid for: 6 years for a regular ID card. 10 years for a senior citizen ID card. You can renew your CA identification card online, by mail, or in person at a CA DMV office. Renew Online. To renew your CA ID card online, you must have: A Renewal By Mail Notice from the California DMV.
Pay the correct guard card renewal fee. The California guard card renewal fee is $35 if renewed before the expiration date. You can still renew your guard card up to 60 days after the expiration date, but the fee increases to $65. If you donât include the applicable delinquency fee with your application, your renewal will be delayed.