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AFCAT - GK Test 1446
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AFCAT - GK Test 1446
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  • Question 1/10
    1 / -0.33
    Which alloy is used as a heating instrument of electrical appliances?
    Solutions

    Alloys like nichrome is used as a heating instrument in electrical appliances because they have higher resistance as compared to other elements, since heat energy is directly proportional to resistance, according to joules law of heating, alloys are mostly preferred rather than elements

  • Question 2/10
    1 / -0.33
    What is the SI unit of Magnetic Induction?
    Solutions

    * Magnetic Induction – Tesla

    * Electrical Capacitance – Farad

    * Pressure – Pascal

    * Solid angle- Steradian

  • Question 3/10
    1 / -0.33
    What is the apparent weight of the person when the elevator is accelerating downwards?
    Solutions

    The apparent weight of the person becomes less than the actual weight when the elevator is accelerating towards downwards. The apparent weight of the person becomes more than the actual weight when the lift is accelerating upwards.

  • Question 4/10
    1 / -0.33
    Which of the following is not a function of the liver?


    Solutions
    Liver is the body's largest internal organ. It has many functions in the body as it helps in protein synthesis and blood clotting, manufacturing triglycerides and cholesterol, glycogen synthesis, and bile production. It also detoxifies chemicals and metabolizes drugs.


  • Question 5/10
    1 / -0.33
    Soap helps in cleaning clothes, because______.
    Solutions
    Soap helps to lower the surface tension of solution, thus soap get stick to the dust particles and grease and these are removed by action of water. 

    As the soap is rubbed on a dirty fabric, the soap's hydrophobic molecule holds the dirt molecule on the cloth and the water holds the hydrophilic molecule. The hydrophobic molecule draws out the dirt while rubbing and forms a micelle. The micelle is a soap-compound shell with dirt at its core. 

    Hence, Option D is correct.
  • Question 6/10
    1 / -0.33
    The most common types of treatment of Cancer are


    Solutions
    Surgery, Chemotherapy and Radiation therapy are the most common types of treatment for Cancer. In Surgery, Cancer is removed from the part of the body as much as possible. In Chemotherapy, with the help of medicines, toxic cells that are rapidly dividing cancer cells are killed. And in Radiation therapy, powerful radiations are used in the body to kill the cells of cancer.


  • Question 7/10
    1 / -0.33
    Which organ is affected by the Tetanus disease?
    Solutions

    • Nervous system is affected by tetanus disease, Clostridium Tetani is the bacteria of Tetanus, high fever, spasm in body, closing of Jaws are the symptom of Tetanus.

    • Intestine is affected by Typhoid, salmonella typhia is the bacteria of typhoid. High fever and headache are the symptom of Typhoid.

    • Lungs are affected by tuberculosis; mycobacterium tuberculosis is the bacteria of tuberculosis. Repeated coughing is a symptom of tuberculosis.

    • Respiratory system is affected by whooping cough, Hemophilia pertusis is the bacteria of whooping cough.

  • Question 8/10
    1 / -0.33
    Tuberculosis is transmitted through
    Solutions
    • Tuberculosis is an infectious disease that is caused by bacteria Mycobacterium tuberculosis. It is spread from person to person through tiny droplets. It primarily affects the lungs, but it can also infection organs of central nervous system, lymphatic system and circulatory system etc.
  • Question 9/10
    1 / -0.33
    Which of the following reactions represents the changing of green colour of ferrous sulphate?
    Solutions
    A reaction in which a single reactant breaks down to give simpler products is known as a decomposition reaction. Ferrous sulphate crystals lose water when heated and the colour of the crystals changes. It then decomposes to ferric oxide, sulphur dioxide and sulphur trioxide.
  • Question 10/10
    1 / -0.33
    Which of these gases is produced on the addition of Baking soda to food items?
    Solutions
    The addition of baking soda to food items before cooking leads to the production of carbon dioxide. This causes foods to rise.


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