Heating Effects MCQ

Test your knowledge with important Heating Effects MCQ and their applications. These MCQs are beneficial for competitive exams too. Explore 30 + more Heating Effects MCQs at Bissoy

• Convert 50℉ into Celsius.
  ক

  20 ℃

  খ

  10 ℃

  গ

  30 ℃

  ঘ

  40 ℃
• Convert 20 ℃ into Fahrenheit.
  ক

  68 ℉

  খ

  58 ℉

  গ

  78 ℉

  ঘ

  48 ℉
• What is the unit of power?
  ক

  Joule/sec

  খ

  Joule/sec2

  গ

  Joule/sec3

  ঘ

  Joule/sec4
• Calculate the heat absorbed by a 3 Ω resistor when 6 V is applied across it.
  ক

  12 W

  খ

  10 W

  গ

  8 W

  ঘ

  11 W
• Calculate the quality factor for the R-C circuit connected in the cooling system if R=1 Ω and C=10 F.
  ক

  0.1

  খ

  0.2

  গ

  0.3

  ঘ

  0.4
• Calculate the steady state temperature value for T(t)=1.5(1-e-17t).
  ক

  1.5

  খ

  4.8

  গ

  3.9

  ঘ

  2.4
• A circuit consists of two 7 F capacitors connected in series and 12 H inductor. Determine the order of the circuit.
  ক

  1

  খ

  2

  গ

  0

  ঘ

  3
• Insufficient rating of the machine can damage the windings.
  ক

  True

  খ

  False
• What is heating time constant of the machine?
  ক

  The ratio of the thermal capacity and heat dissipation constant value

  খ

  The ratio of the thermal capacity and heat dissipation constant value

  গ

  The ratio of the thermal capacity and heat dissipation constant value

  ঘ

  The ratio of the thermal capacity and heat dissipation constant value
• Inadequate rating of the equipment can ___________
  ক

  Increase the speed

  খ

  Decrease the speed

  গ

  Damage the winding

  ঘ

  Increase the efficiency
• Cooling air travels 10 m distance in 5 sec from point A to point B. Calculate the velocity of the cooling air.
  ক

  2 m/s

  খ

  4 m/s

  গ

  6 m/s

  ঘ

  10 m/s
• Iron losses occur in the machine are variable losses.
  ক

  True

  খ

  False