Term
What is a unit of Tempertature?
Ceksius Degree
Joule
Kilogram
Calorie |
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Definition
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Term
Heat is a transfer of thermal engry fro one object to another because of a difference in:
Specific Heat
Phase
Temperature
Waste Heat |
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Definition
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Term
What property of an object is related to the average kientic energy of the partictles in that object?
Specific Heat
Mass
Conuctivity
Temperature |
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Definition
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Term
As the tmeprature of an object arises, so does the:
Kinetic Energy of the object
Mass of the object
Thermal Energy of the object
potential Energy of the object |
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Definition
| Thermal Energy of the object |
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Term
Which of the follwoing devices is base on the proerty of thermal expansion>
balance
calorimeter
convection oven
Thermoneter |
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Definition
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Term
Thermal Enrgy depeond son an objects:
Mass
Phase(solid,liquid,gas)
Temperature
All of the above |
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Definition
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Term
In the formuila Q = m x c X ^T, which qunatity represents the specific heat?
c
m
Q
^T |
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Definition
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Term
The spefic heat of copper is 0.385J/g C. Wgucg equation would you use tio calculate the amount of heat needed to raise the temperature of 0.75 g of copper from 7degreesC to 29degrees C>
Q=0.385J/g c X 29C -7C)
Q=0.75g x0.985J/gC x29C
Q=0.75g x0.385 J/gC x22C
Q=0.75x0.85J/g C x & C |
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Definition
| Q +0375g x 0.85J/g degrees c x22 c |
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Term
Whst d oes a calorimeter directly measure
Change in Temperture
Kinetic Energy
zSpecific Heatr
Radiation |
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Definition
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Term
Energy fromt he sun reaches the earth mostly by:
Conduction
COnvection
Radiation
Thermal Expansion |
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Definition
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Term
Matter is needed to transfer thermal energy by :
Conductuin
Convection
Radiation
Both A & B |
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Definition
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Term
Whaich of the follwoing materials conducts heat well?
Glass
Plastic
Metal
Wood |
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Definition
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Term
The 2nd law of thermodynamics states that thermal energy can flow from colder objects to hotter objects:
By Convection
Only if workd is done on the system
spontaneously
wehn thermal expansion takes palce |
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Definition
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Term
Which of the follwoing happesn in a stema engise?
Fule is burned otuside the engine
Heat is converted into work
Hot steam pushes a psiton
All of the above |
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Definition
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Term
Which central heating system involves a furnace & blower?
electric baseborad
foreced air
hot water
steam |
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Definition
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Term
A fulid that vaporizes & condeneses inside the tubing of a heat pump is called the:
compressor
fuel
refrigerant
condenser |
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Definition
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Term
Which type of central heating system is often used when heating many buildings fro a central location?
electric
forced air
hot water
steam |
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Definition
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