Heat Transfer Quiz
Quiz by Vish Shankar
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14 questions
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- Q1The property that describes the amount of heat required to raise the temperature of 1 kilogram of a substance 1°C is its:temperature variation.specific heatthermal energythermal conductivity.20s
- Q2Inter molecular forces between molecules of a substance are strongest when the material is a:plasma.gas.solid.liquid.20s
- Q3Doctor John can quickly walk barefoot across red hot coals of wood without harm because of:Doctor John has special powers.Basic physics conceptsMind of matterReasons outside the realm of physics20s
- Q4A large bucket of water is heated under a flame. Which statement below is true:The average kinetic energy of the molecules increases.The average kinetic energy of the molecules remain constant.None of the above.The average kinetic energy of the molecules decreases20s
- Q5Which of the following is true.The molecules in hot cocoa are moving faster than molecules in cold spoon..The molecules in hot cocoa are moving at the same speed as the molecules in cold spoon.The molecules in hot cocoa are moving slower than molecules in cold spoon.30s
- Q6Which of the following is true?Average KE (cold spoon) is same as Average KE (hot cocoa)Average KE (cold spoon) is greater than Average KE (hot cocoa)Average KE (cold spoon) is less than Average KE (hot cocoa)30s
- Q7The average random kinetic energy of atoms or molecules within an object is a measure of the object’s:heatspecific heat.temperaturethermal energy20s
- Q8The sum of all the kinetic energy of the atoms or molecules measures the object’s:thermal conductivity.specific heat.thermal energy.temperature.20s
- Q9According to the table of specific heat, the material requiring the least energy to raise its temperature from 20°C to 40°C is:goldoil.waterwood.20s
- Q10Heat energy from the Sun is transferred to Earth by:convectionradiationconduction.insulation.20s
- Q11Holding your hand above the flame of a candle, you will receive the most heat by means of:radiationinsulation.conduction.convection.20s
- Q12In nature, heat will always flow from a ______ object to ________ objectwarm, coldcold, warmwarm, warmcold, cold20s
- Q13The temperature at which molecules in a substance stop moving is called __________ ________:absolute zerocold stonebelow zeronear zero20s
- Q14The flow of thermal energy is called ___________heatconductivityabsolute zero20s