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# Unit 2, Assignment 1

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1. If the temperature remains constant and the volume that a gas occupies increases, the pressure will # .
TRUE, FALSE, ,
2. One horsepower equals # electrical watts.
TRUE, FALSE, ,
3. # is the rate of doing work.
TRUE, FALSE, ,
4. An example of a fossil fuel is hydrogen.
in all directions, downward only, outward and downward, outward only,
5. A solid material exerts a pressure or force # .
in all directions, downward only, outward and downward, none of the above,
6. The volume of gas varies inversely with the absolute pressure, provided the temperature remains constant. This is called # .
in all directions, downward only, outward and downward, outward only,
7. A liquid material exerts a pressure or force #.
decrease, increase, remain the same, cannot be determined from the information given,
8. # ft/lb of work is accomplished when an 800-lb. condensing unit is lifted to the top of a 40 ft. building.
Charles%27 Law, Tom%27s Law, Boyle%27s Law matching excercise , Dalton%27s Law,
9. At a constant pressure, the volume of a gas varies as to the absolute temperature and at a constant volume the pressure of the gas varies directly with the absolute temperature. This is known as # .
Charles%27 Law, Tom%27s Law, Boyle%27s Law, Dalton%27s Law,
10. Most of the energy we use comes from something we already have on Earth. The only %22new%22 energy we get comes from the # .
Tom%27s Law teacher , Boyle%27s Law, Dalton%27s Law,
11. One pound of ice at 20°F exerts its force downward. After absorbing 200 Btus, the force will be exerted _____________.
3.863 hp, 4.517 hp quiz builder , 4.848 hp, 5.209 hp,
12. The unit used to measure electrical power is the # .
volt, ampere, watt, ohm,
13. A material that occupies space and has mass is called # .
3.1416 Btu, 3.413 Btu, 3.3416 Btu, 3.3146 Btu,
14. Specific volume is the term used to indicate the space a weight of gas will occupy.
33000, 15000 interactive learning , 746, 660,
15. As heat is applied to a closed container containing a gas, the pressure inside the container will decrease.
matter, , ,
16. One watt of electrical energy is equal to # .
solid, liquid, vapor, density,
17. The total pressure of a confined mixture of gases is the sum of the pressures of each of the gases in the mixture. This is known as # .
sun, active teaching , ,
18. One horsepower of work energy equals the amount of work done when lifting ____________________ pounds to the height of ____________________ foot in ____________________ minute.
32,000,32000,Thirty two thousand, help students assimilate material , ,
19. One pound of ice at 15°F exerts its force downward. After absorbing 2000 Btus, the force will be exerted _____________.
33,000, one, one, 2000, 100, 60, 16,000, 12, 1, 16,000, 12, 1,
20. A law of conservation of energy states that energy is neither created nor destroyed.
downward, in all directions, outward and dowward, none of the above,
21. The three basic states of matter are ____________________.
downward, outward and dowward, in all directions, none of the above,
22. An # is the smallest part of a material.
atom, , ,
23. # is the mass to volume relationship of a material.
molecule, , ,
24. A helicopter is lifting an 800-pound unit at a rate of 200 feet per minute. The helicopter is using # of work energy in the process.
Density,density, , ,
25. A gas exerts a pressure or force # .
power,Power, , ,