Admin Table of Contents
What are the quantities needed to determine horsepower?
Power = (Force x Distance) / Time For electric motors, power or horsepower can be calculated from the torque and speed. For example, if you have a motor rated for 3,000 RPM and 6 in-lbf then the horsepower is calculated below.
What are the three states in which matter is commonly found HVAC?
Matter can exist in one of three main states: solid, liquid, or gas. Solid matter is composed of tightly packed particles. A solid will retain its shape; the particles are not free to move around. Liquid matter is made of more loosely packed particles.
What are the two types of energy most frequently used or considered in the industry?
Manufacturers consume two general types of energy sources—fuel and nonfuel.
How does a volume of gas vary with respect to the absolute temperature?
The volume of a gas is directly proportional to its absolute temperature. More specifically, for a fixed mass of gas at a constant pressure, the volume (V) is directly proportional to the absolute temperature (T). The volume is directly to the absolute temperature.
What do you mean by HP?
Horsepower (hp) is a unit of measurement of power, or the rate at which work is done, usually in reference to the output of engines or motors. Most countries now use the SI unit watt for measurement of power.
What elements can exist in all three states of matter?
Answer 1: Mercury and water are not the only substances capable of existing in three distinct states of matter. In fact, all of the elements, of which mercury is one, may exist in solid, liquid, or gas forms. Additionally, many substances exhibit more than one solid form, often with very different properties.
Can a sample of matter exist in 2 states?
Now, for the first time, scientists have discovered that it’s possible for matter to exist in two of these states at once. Specifically, the metal potassium can be a solid and a liquid simultaneously, if you treat it just so. Simply apply extreme pressure and extreme temperature and presto!
What do factories use for energy?
Industry and manufacturing rely heavily on natural gas (30% of all energy consumed by the industrial sector in 2015), petroleum and other liquids (26%), and electricity (10%), with coal, renewables, and biofuels making up the rest.
What is the relationship between volume and absolute temperature?
The volume of a given gas sample is directly proportional to its absolute temperature at constant pressure (Charles’s law). The volume of a given amount of gas is inversely proportional to its pressure when temperature is held constant (Boyle’s law).