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Heat Transfer Quiz

Quiz by Vish Shankar

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14 questions
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  • Q1
    The 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 heat
    thermal energy
    thermal conductivity.
    20s
  • Q2
    Inter molecular forces between molecules of a substance are strongest when the material is a:
    plasma.
    gas.
    solid.
    liquid.
    20s
  • Q3
    Doctor John can quickly walk barefoot across red hot coals of wood without harm because of:
    Doctor John has special powers.
    Basic physics concepts
    Mind of matter
    Reasons outside the realm of physics
    20s
  • Q4
    A 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 decreases
    20s
  • Q5
    Which of the following is true.
    Question Image
    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
  • Q6
    Which of the following is true?
    Question Image
    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
  • Q7
    The average random kinetic energy of atoms or molecules within an object is a measure of the object’s:
    heat
    specific heat.
    temperature
    thermal energy
    20s
  • Q8
    The sum of all the kinetic energy of the atoms or molecules measures the object’s:
    thermal conductivity.
    specific heat.
    thermal energy.
    temperature.
    20s
  • Q9
    According to the table of specific heat, the material requiring the least energy to raise its temperature from 20°C to 40°C is:
    Question Image
    gold
    oil.
    water
    wood.
    20s
  • Q10
    Heat energy from the Sun is transferred to Earth by:
    convection
    radiation
    conduction.
    insulation.
    20s
  • Q11
    Holding your hand above the flame of a candle, you will receive the most heat by means of:
    radiation
    insulation.
    conduction.
    convection.
    20s
  • Q12
    In nature, heat will always flow from a ______ object to ________ object
    warm, cold
    cold, warm
    warm, warm
    cold, cold
    20s
  • Q13
    The temperature at which molecules in a substance stop moving is called __________ ________:
    absolute zero
    cold stone
    below zero
    near zero
    20s
  • Q14
    The flow of thermal energy is called ___________
    heat
    conductivity
    absolute zero
    20s

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