Basic Thermodynamics of Engines Flashcards

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1
Q

Temperature at which all molecules cease to move.

A

Zero absolute

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2
Q

Distance traveled per unit time. (m/s, km/hr)

A

Speed

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3
Q

Acceleration due to gravity in SI and Customary units(English units)

A

9.80 m/s; 32.2 ft/s2

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4
Q

Volume conversions in SI and English units.

A

1 m3 = 1000 L; 1 ft3 = 1728 in3

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5
Q

Unit of Force

A

Newton (N) = kg.m/s2; lbf

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6
Q

Accomplished when force acts through a distance.

A

Work

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7
Q

Unit for Work

A

Joule (J) = N.m; ft-lb

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8
Q

Capacity for doing work

A

Energy

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9
Q

Rate of doing work. It is the amount of work accomplished per unit of time.

A

Power

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10
Q

Unit for power

A

Watts (W); foot-pound per second (ft-lb/s); horsepower (hp)

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11
Q

1 hp in ft-lb/s

A

550

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12
Q

Amount of force exerted on a unit area by a gas or other fluid.

A

Power

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13
Q

Unit for power

A

Pascal (Pa) = N/m2; Pounds per square inch (psi)

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14
Q

Pressure that air exerts on any body in the atmosphere.

A

Barometric pressure

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15
Q

Trapped pressure typically measured by gages which indicate only the excess of the trapped pressure over the barometric pressure.

A

Gage pressure

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16
Q

Total pressure and the sum of the gage pressure plus the barometric pressure.

A

Absolute pressure

17
Q

Ideal gas law formula

A

pV = MRT

18
Q

Term for a constant-temperature compression or expansion process

A

Isothermal

19
Q

Term for the process in which no heat is transferred.

A

Adiabatic