DC3RD Formulas

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 Author: Roger4355 ID: 242949 Filename: DC3RD Formulas Updated: 2013-10-26 12:14:38 Tags: Equations Folders: Description: Formulas for test Show Answers:

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1. Total Force?
• Total Force = Pressure x Area
• TF =P x A
2. Work?
• Work = Force x Distance
• W=FxD
3. Power?

4. One Mechanical HP ?
1 Mechanical HP = 33,000 ft-lb of work/min

5. Latent Heat?
Heat added to a substance that changes its state without a change in temperature. hidden heat
6. Latent heat of fusion?
The heat required to change the state of one pound of a substance from a solid to a liquid at a constant temperature
7. Sensible Heat?
Heat that changes the temperature of a substance but not its state
8. Latent Heat of Evaporation
• The heat necessary to change 1LB of a substance from a liquid to a gas at a constant  temperature.
• 1lb of water at 212F converted to 1lb of steam at 212F takes 970.3 Btu
9. Specific Heat?
The amount of heat required to raise the temp of 1lb of a substance 1deg F
10. Quantity of Heat?
• Quantity of heat = weight of a substance x latent heat
• Q=W x Lh

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