Estate for years. An estate for years is one which is to continue for a definite period fixed in advance by. agreement between landlord and tenant. The name is somewhat misleading because the period may be for less. than a year, measured in specific days, weeks, or months. Estate from period to period. An estate from period to period (or periodic tenancy) is one which continues for. periods of time (typically year-to-year, month-to-month, or week-to-week) as designated by landlord and tenant. in their agreement. The most common periodic tenancy is the month-to-month tenancy.
You will still require 8.34 BTU to raise the temperature of a gallon of water one degree F. 1  I say approximately because the weight of water varies slightly with its temperature. 2  Water is at its densest at 4 degrees Celsius (39 degrees F). 3  A gallon of water at temperatures above and below that value will weigh less.
One BHP isequal to 34.5 pounds per hour of steam, so 10,000 pounds per hourof steam is the same as 289.9 BHP.Remember, we used only 180 BTUs of energy to bring a poundof water to boiling.And we had to add another 970 BTUs tovaporize it to steam. 84.3% of our energy was consumed as theheat of vaporization.pint of water weighs approximately 1 pound. (You remember. . . apints a pound the world around.)You have all heard of the BTU of heat energy (British ThermalUnit), it takes one BTU to raise one pound of water one degreeFahrenheit.