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MCQs

Total Questions : 120 | Page 3 of 12 pages
Question 21. Which of the following true for temperature gradient?
  1.    Dimensional quantity
  2.    Dimensionless quantity
  3.    Unit less quantity
  4.    SI unit is K/m²
 Discuss Question
Answer: Option A. -> Dimensional quantity
Answer: (a).Dimensional quantity
Question 22. Which of the following represents unit for temperature gradient?
  1.    K/m²
  2.    K
  3.    K/m
  4.    K/s
 Discuss Question
Answer: Option C. -> K/m
Answer: (c).K/m
Question 23. Which of the following represents the rate of heat loss of a body?
  1.    Initial temperature
  2.    Final temperature
  3.    Difference in temperature between body and surrounding
  4.    None of the mentioned
 Discuss Question
Answer: Option C. -> Difference in temperature between body and surrounding
Answer: (c).Difference in temperature between body and surrounding
Question 24. Which of the following is correct for temperature gradient?
  1.    Describes direction of temperature change
  2.    Describes rate of temperature change
  3.    Describes both direction and rate of temperature change
  4.    None of the mentioned
 Discuss Question
Answer: Option C. -> Describes both direction and rate of temperature change
Answer: (c).Describes both direction and rate of temperature change
Question 25. Temperature gradient is a scalar quantity.
  1.    True
  2.    False
  3.    May be True or False
  4.    Can't say
 Discuss Question
Answer: Option B. -> False
Answer: (b).False
Question 26. Which of the following bridge can function as voltage to the current converter?
  1.    Carey-foster bridge
  2.    Kelvin Bridge
  3.    Fontana Bridge
  4.    H-bridge
 Discuss Question
Answer: Option C. -> Fontana Bridge
Answer: (c).Fontana Bridge
Question 27. Why Kelvin Bridge is known as a double bridge?
  1.    Two power supplies
  2.    Two unknowns
  3.    Two ratio arms
  4.    None of the mentioned
 Discuss Question
Answer: Option C. -> Two ratio arms
Answer: (c).Two ratio arms
Question 28. Which of the following bridge can be used to measure very low resistance?
  1.    Wein Bridge
  2.    Schering Bridge
  3.    Maxwell Bridge
  4.    Carey-foster bridge
 Discuss Question
Answer: Option D. -> Carey-foster bridge
Answer: (d).Carey-foster bridge
Question 29. Maxwell Bridge is used for measuring_______________
  1.    Low quality coil (Q<1)
  2.    Medium quality coil (1<Q<10)
  3.    High quality coil (Q>10)
  4.    All quality coil (any value of Q)
 Discuss Question
Answer: Option B. -> Medium quality coil (1<Q<10)
Answer: (b).Medium quality coil (1<Q<10)
Question 30. Which of the following bridge can be used for measuring very low quality factor?
  1.    Hay’s Bridge
  2.    Maxwell Bridge
  3.    Anderson Bridge
  4.    None of the mentioned
 Discuss Question
Answer: Option C. -> Anderson Bridge
Answer: (c).Anderson Bridge

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