Sheep and goats provided meat, fiber, and milk to the early _____ people.
Fill in the blank(s) with the appropriate word(s).
nomadic
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Water is placed on a stove to boil in a container that has a flexible lid so that it can expand with increasing amounts of water vapor while not losing any water to the surroundings. The mass of the water is 2 kg. Initially, the water is a saturated liquid at 100oC, and the boiling process is at constant pressure. 10 kW of heat is added to the water, and the process continues until ¾ of the water has become water vapor
(a) Determine the time elapsed for the process. (b) Develop a computer model to simulate this problem, and plot the net heat transfer, the net work done and the quality of the water all as a function of time. Consider the time to start as 25 s, and to end when the boiling process is complete (i.e., when the water is a saturated vapor.) Given: Water; m = 2 kg; T1 = 100oC; x1 = 0; P = constant; Q?=10 kW; x2 = 0.75 Assume: ?KE = ?PE = 0 What will be an ideal response?
Aspects of the swine industry that make producers the most money are reproductive efficiency, carcass quality, and:
a. Swine by-products c. Barron quality b. Growthability d. Gilt composition
where the mass of the counterweight is more than the mass of the cabin plus people.
An elevator consists of the cabin, motor, counterweight, cables, and pulleys. The elevator cabin is full and is moving downward. The mass of the cabin plus people is greater than the mass of the counterweight. Explain the operation of the motor in terms of energy transfer, and indicate the speed-torque quadrant for this motion.
What two types of methods can be used to connect PVC pipes?
What will be an ideal response?