Practice Test | Kullabs.com
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  • Heat is measured in

    mole
    Metre
    Kelvin
    Degree celcius
  • The boiling point of mercury is

    250 degree celcius
    357 degree celcius
    340 degree celcius
    100 degree celcius
  • The boiling point of alcohol is

    60 degree celcius
    90 degree celcius
    78 degree celcius
    50 degree celcius
  • In SI system, temperature is measured in

    Kelvin
    Calorie
    Metre
    mole
  • Who invented thermo flask?

    Charles Babbage
    Galileo
    Albert Einstein
    James Dewar
  • What is the main source of heat energy?

    Electricity
    Hot water
    Sun
    Fuel
  • What is the mode of transmission of heat from sun to the earth?

    Conduction
    Convection
    transformation
    Radiation
  • Which one of the following is not the good conductor of heat?

    Iron
    Silver
    Copper
    Wood
  • Which one of the following is the good conductor of heat?

    Glass rod
    Cloth
    Plastic
    Copper
  • Conduction takes place in

    Liquid
    Gas
    All of the above
    Solid
  • The transmission of heat in absence of a medium is called

    Conduction
    Convection
    Radiation
    None of the above
  • The movement of hot and light air upwards and heavy air downwards is called

    Radiation of air
    Convection of air
    Conduction of air
    Movement of air
  • The device which keeps hot liquids hot and cold liquids cold for several hour is called

    Thermo flask
    Constant flask
    Thermometer
    Temperature flask
  • The process of transmission of heat by the actual movement of molecules of a medium is called

    transformation
    Radiation
    Conduction
    Convection
  • The process of transmission of heat from one partical to another without the actual movement of the particles is

    transformation
    Conduction
    Convection
    Radiation
  • Which one of the following is a insulators?

    Paper
    Aluminium
    iron
    Copper
  • Which one of the following is not a insulators?

    Iron
    Plastic
    Paper
    Wood
  • Which is the best conductor of heat?

    Copper
    iron
    Silver
    Paper
  • Which one of the following is not the uses of heat energy?

    To heat water
    For cooking
    To change water from liquid state to solid state
    For drying clothes
  • How many modes of transmission of heat are there?

    2
    3
    6
    4
  • What is the freezing point alcohol?

    -39 degree celcius
    -73 degree celcius
    -50 degree celcius
    -35 degree celcius
  • What is the freezing point of mercury?

    -200 degree celcius
    -117 degree celcius
    -100 degree celcius
    -132 degree celcius
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