  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.
How long is my card valid? Food handlers must obtain a new card every three years. Will my Food Handler Card be valid everywhere in California? A Food Handler Card is valid everywhere except in Riverside, San Bernardino and San Diego counties, which have pre-existing local food handler programs. Employees who have food handler cards from a county with a