MCQs
Total Questions : 38
| Page 1 of 4 pages
Answer: Option B. -> J.B. Joseph Fourier
Answer: (b).J.B. Joseph Fourier
Answer: (b).J.B. Joseph Fourier
Answer: Option A. -> Q = -k A d t /d x
Answer: (a).Q = -k A d t /d x
Answer: (a).Q = -k A d t /d x
Answer: Option B. -> Heat always flow in the direction of negative temperature gradient
Answer: (b).Heat always flow in the direction of negative temperature gradient
Answer: (b).Heat always flow in the direction of negative temperature gradient
Answer: Option D. -> 1, 3 and 4
Answer: (d).1, 3 and 4
Answer: (d).1, 3 and 4
Answer: Option C. -> Non- linear temperature profile
Answer: (c).Non- linear temperature profile
Answer: (c).Non- linear temperature profile
Question 6. The diagram shows heat conduction through a plane wall. The surface temperature is 475 K and it radiates heat to the surroundings at 335 K. If thermal conductivity of the material is 12.5 W/m degree, find the temperature gradient. Let convective coefficient be 80 W/m² degree and radiation factor is 0.9
Answer: Option A. -> – 1052.4 degree celsius
Answer: (a).– 1052.4 degree celsius
Answer: (a).– 1052.4 degree celsius
Answer: Option B. -> V = (3GT/M)⅟₂
Answer: (b).V = (3GT/M)⅟₂
Answer: (b).V = (3GT/M)⅟₂
Answer: Option D. -> 2.45
Answer: (d).2.45
Answer: (d).2.45
Answer: Option A. -> Asbestos
Answer: (a).Asbestos
Answer: (a).Asbestos
Answer: Option B. -> 1, 2, 3 and 4
Answer: (b).1, 2, 3 and 4
Answer: (b).1, 2, 3 and 4