102a Flashcards

1
Q

Sensible heat is

A

Heat we can sense by touch

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2
Q

Specific heat is the

A

Amount of heat required to change 1lb of substance by one degree Fahrenheit

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3
Q

Heat is energy in the

A

Form of molecular motion

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4
Q

Superheating is

A

Adding heat to Vapour at its evaporation pressure

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5
Q

Sub cooling is

A

Removing heat from a liquid at its condensation pressure

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6
Q

If sensible heat is removed from a Vapour it’s called

A

Desuperheating

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7
Q

Sub cooling take place in a liquid when its temperature is lowered below the

A

Boiling point at boiling pressure

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8
Q

First law of thermodynamics is

A

Energy cannot be created or destroyed

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9
Q

Second law of thermodynamics

A

Heat energy moves from high to low

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10
Q

A BTU is the

A

Amount of heat required to raise the temperature of 1lb of water by one degree Fahrenheit

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11
Q

Specific heat is the amount of heat required to change

A

A specified mass of a substance by one degree

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12
Q

Water to steam is

A

970BTU

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13
Q

Water to Solid is

A

144BTU

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14
Q

Is temperature heat

A

No

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15
Q

Temperature is the average amount of

A

Molecular motion in a substance

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