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  • Question 1
    4 / -1

    Time taken by a 836 W heater to heat one litre of water from 10°C to 40°C is

  • Question 2
    4 / -1

    An electric bulb is rated 220 V – 100 W. The power consumed by it when operated on 110 V will be

  • Question 3
    4 / -1

    Which factor is immaterial for the wire used in electric fuse?

  • Question 4
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    A railway compartment is lit up by thirteen lamps each taking 2.1 A at 15 V. The heat generated per second in each lamp will be

  • Question 5
    4 / -1

    A fuse wire with radius 1 mm blows at 1.5 A. The radius of the fuse wire of the same material to blow at 3 A will be

  • Question 6
    4 / -1

    For a thermocouple, the inversion temperature is 600°C and the neutral temperature is 320°C. Find the temperature of the cold junction?

  • Question 7
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    In a thermocouple, the neutral temperature is 270°C and the temperature of inversion is 525°C. The temperature of cold junction would be

  • Question 8
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    If the temperature of cold junction of thermocouple is lowered, then the neutral temperature

  • Question 9
    4 / -1

    Temperature of cold junction in a thermocouple is 10°C and neutral temperature is 270°C, then the temperature of inversion is

  • Question 10
    4 / -1

    For a given thermocouple, neutral temperature

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