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Types of Sentences Test - 11

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Types of Sentences Test - 11
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Weekly Quiz Competition
  • Question 1
    1 / -0
    Heat is a form of ..........
  • Question 2
    1 / -0
    The transference of heat in fluids by hot particles rising is called .......... .
    Solution
    In liquids and gases, convection is usually the most efficient way to transfer heat. Convection occurs when warmer areas of a liquid or gas rise to cooler areas in the liquid or gas. As this happens, cooler liquid or gas takes the place of the warmer areas which have risen higher. This cycle results in a continuous circulation pattern and heat is transferred to cooler areas.Hence, Option c is correct. The rest of the options do not express this condition, hence incorrect.
  • Question 3
    1 / -0
    The sparks from a cigarette lighter flint are at high temperature, but they do not bum the skin because they contain very little .......... .
    Solution
    The sparks are not huge and combust very little, emitting little heat. Hence, Option A is correct. The rest of the options do not express this condition, hence incorrect. 
  • Question 4
    1 / -0
    The elbow joint is an example of ______joint
    Solution
    The hinge joint allows the arm to be bent and straightened. It allows in 180∘180∘ in one plane movement only. The elbow is the bending point. Hence, Option C is correct. The rest of the options do not express this meaning, hence incorrect. 

  • Question 5
    1 / -0
    A body will gain heat from its surroundings if its temperature is .......... than that of its surroundings.
    Solution
     An object does not possess ‘heat’; it has internal energy that can be increased by transferring energy from a higher temperature object, i.e. heating. Hence, its temperature is initially lower and Option A is correct. 
  • Question 6
    1 / -0
    Materials which do not conduct heat are called .......... .
    Solution
    An insulator is a material that does not allow a transfer of electricity or energy. Materials that are poor thermal conductors can also be described as being good thermal insulators. Hence, Option A is correct. 
  • Question 7
    1 / -0
    Woolen clothes are good heat insulators because .......... is trapped within the woolen fibres.
    Solution
    The fibres trap air and air is a good insulator because it doesn't allow heat to transfer through it very easily.

    All materials are said to have a property called thermal conductivity which is to say that they can absorb and transfer heat with the their surroundings either very well or very badly. Hence, Option A is correct. 
  • Question 8
    1 / -0
    Feathers and furs keep birds and animals warm during cold weather because they have .......... trapped in them.
    Solution
    A team of researchers has experimentally studied the trapping of air in hairy surfaces and the water-repellent properties of undeformable hairy textures, which is key for animals’ thermoregulation. Hence, Option A is correct. The rest of the options do not express this condition, hence incorrect. 
  • Question 9
    1 / -0
    A heat engine transforms heat energy into .......... energy.
    Solution
    In thermodynamics and engineering, a heat engine is a system that converts heat or thermal energy—and chemical energy—to mechanical energy, which can then be used to do mechanical work. It does this by bringing a working substance from a higher state temperature to a lower state temperature. Hence, Option A is correct. 
  • Question 10
    1 / -0
    Rearrange the following words and phrases to form meaningful sentence:

    not/children/below/of/the age/must/drive/eighteen years
    Solution
    The phrase 'below the age of eighteen years' must be preceded by the noun it qualifies i.e 'children'. We cannot say that children above eighteen years must drive as there is no compulsion indicated. So, the most logical sequence is 'Children below the age of eighteen years must not drive.'
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