Explain the difference between regular electrical demand and peak electrical demand
What will be an ideal response?
Peak electrical demand is the highest demand that occurs at any time on any day. The peak may be different from day to day. The regular demand or total demand for any hour or any day is the total amount of electrical power used during that time. The electrical power producers must have enough electrical energy available during any peak period and the total amount of electrical energy has to be available every day.
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Liquid water at 180°C and 1002.7 kPa has an internal energy (on an arbitrary scale) of 762.0 kJ?kg?1 and a specific volume of 1.128 cm3? g ?1.
(a) What is its enthalpy? (b) The water is brought to the vapor state at 300°C and 1500 kPa, where its internal energy is 2784.4 kJ? kg?1 and its specific volume is 169.7 cm3. g?1. Calculate ?U and ?H for the process.
The term combustion chamber refers to the chambers in the cylinder heads that are located just above the pistons.
Answer the following statement true (T) or false (F)
Filberts are also known as _____
a. peanuts c. pecans b. walnuts d. hazelnuts
All ________ are very straight, square, and true and do not present the problems associated with twisting, crowning, or warping that dimensional lumber does
A) Floor joists B) Engineered beams C) Structural posts D) Girders