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Heat is being transferred by convection from water at 48°C to a glass plate whose surface temp. is exposed to the water is at 40°C. The thermal conductivity of water is 0.6 W/mK and the thermal conductivity of glass is 1.2 W/mK.
The spatial gradient of temperature in the water at the water-glass interface is dT/dy = 1 × 104 K/m.
The heat transfer coefficient h in w/m2K is
[2003]
  • a)
    0.0
  • b)
    4.8
  • c)
    6
  • d)
    750
Correct answer is option 'D'. Can you explain this answer?
Verified Answer
Heat is being transferred by convection from water at 48°C to a gl...
For convection
Heat flux, q = h(Tf – Ti)

∴ 
= 750 W/m2K
View all questions of this test
Most Upvoted Answer
Heat is being transferred by convection from water at 48°C to a gl...
For convection
Heat flux, q = h(Tf – Ti)

∴ 
= 750 W/m2K
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Heat is being transferred by convection from water at 48°C to a glass plate whose surface temp. is exposed to the water is at 40°C. The thermal conductivity of water is 0.6 W/mK and the thermal conductivity of glass is 1.2 W/mK.The spatial gradient of temperature in the water at the water-glass interface is dT/dy = 1 × 104 K/m.The heat transfer coefficient h in w/m2K is[2003]a)0.0b)4.8c)6d)750Correct answer is option 'D'. Can you explain this answer?
Question Description
Heat is being transferred by convection from water at 48°C to a glass plate whose surface temp. is exposed to the water is at 40°C. The thermal conductivity of water is 0.6 W/mK and the thermal conductivity of glass is 1.2 W/mK.The spatial gradient of temperature in the water at the water-glass interface is dT/dy = 1 × 104 K/m.The heat transfer coefficient h in w/m2K is[2003]a)0.0b)4.8c)6d)750Correct answer is option 'D'. 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 Heat is being transferred by convection from water at 48°C to a glass plate whose surface temp. is exposed to the water is at 40°C. The thermal conductivity of water is 0.6 W/mK and the thermal conductivity of glass is 1.2 W/mK.The spatial gradient of temperature in the water at the water-glass interface is dT/dy = 1 × 104 K/m.The heat transfer coefficient h in w/m2K is[2003]a)0.0b)4.8c)6d)750Correct answer is option 'D'. 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 Heat is being transferred by convection from water at 48°C to a glass plate whose surface temp. is exposed to the water is at 40°C. The thermal conductivity of water is 0.6 W/mK and the thermal conductivity of glass is 1.2 W/mK.The spatial gradient of temperature in the water at the water-glass interface is dT/dy = 1 × 104 K/m.The heat transfer coefficient h in w/m2K is[2003]a)0.0b)4.8c)6d)750Correct answer is option 'D'. Can you explain this answer?.
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