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Consider the following statements:
1. The thermal conductivity of a material is it’s ability to conduct heat.
2. The thermal conductivity can be defined as the rate of heat transfer through a unit thickness of the material per unit area.
3. In solids, heat conduction is due to lattice vibrational energy as well as energy transported via free flow of electrons.
4. Convection involves combined effect of conduction and fluid motion.
Which of the above statements are valid?
  • a)
    1 and 2
  • b)
    2, 3 and 4
  • c)
    1, 3 and 4
  • d)
    3 and 4
Correct answer is option 'C'. Can you explain this answer?
Verified Answer
Consider the following statements:1. The thermal conductivity of a mat...
Thermal conductivity can be defined as the rate of heat transfer through a unit thickness of material per unit area per unit temperature difference.
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Most Upvoted Answer
Consider the following statements:1. The thermal conductivity of a mat...
S ability to conduct heat.
2. Materials with high thermal conductivity are good conductors of heat.
3. Metals generally have high thermal conductivity.
4. Insulators have low thermal conductivity.

All of these statements are true.
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Consider the following statements:1. The thermal conductivity of a material is it’s ability to conduct heat.2. The thermal conductivity can be defined as the rate of heat transfer through a unit thickness of the material per unit area.3. In solids, heat conduction is due to lattice vibrational energy as well as energy transported via free flow of electrons.4. Convection involves combined effect of conduction and fluid motion.Which of the above statements are valid?a)1 and 2b)2, 3 and 4c)1, 3 and 4d)3 and 4Correct answer is option 'C'. Can you explain this answer?
Question Description
Consider the following statements:1. The thermal conductivity of a material is it’s ability to conduct heat.2. The thermal conductivity can be defined as the rate of heat transfer through a unit thickness of the material per unit area.3. In solids, heat conduction is due to lattice vibrational energy as well as energy transported via free flow of electrons.4. Convection involves combined effect of conduction and fluid motion.Which of the above statements are valid?a)1 and 2b)2, 3 and 4c)1, 3 and 4d)3 and 4Correct answer is option 'C'. Can you explain this answer? for Mechanical Engineering 2024 is part of Mechanical Engineering preparation. The Question and answers have been prepared according to the Mechanical Engineering exam syllabus. Information about Consider the following statements:1. The thermal conductivity of a material is it’s ability to conduct heat.2. The thermal conductivity can be defined as the rate of heat transfer through a unit thickness of the material per unit area.3. In solids, heat conduction is due to lattice vibrational energy as well as energy transported via free flow of electrons.4. Convection involves combined effect of conduction and fluid motion.Which of the above statements are valid?a)1 and 2b)2, 3 and 4c)1, 3 and 4d)3 and 4Correct answer is option 'C'. Can you explain this answer? covers all topics & solutions for Mechanical Engineering 2024 Exam. Find important definitions, questions, meanings, examples, exercises and tests below for Consider the following statements:1. The thermal conductivity of a material is it’s ability to conduct heat.2. The thermal conductivity can be defined as the rate of heat transfer through a unit thickness of the material per unit area.3. In solids, heat conduction is due to lattice vibrational energy as well as energy transported via free flow of electrons.4. Convection involves combined effect of conduction and fluid motion.Which of the above statements are valid?a)1 and 2b)2, 3 and 4c)1, 3 and 4d)3 and 4Correct answer is option 'C'. Can you explain this answer?.
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