MCQs
Total Questions : 75
| Page 6 of 8 pages
Answer: Option A. -> 1/ml
Answer: (a).1/ml
Answer: (a).1/ml
Answer: Option D. -> tan h (ml)/ml
Answer: (d).tan h (ml)/ml
Answer: (d).tan h (ml)/ml
Answer: Option B. -> P/A C = 2/ δ
Answer: (b).P/A C = 2/ δ
Answer: (b).P/A C = 2/ δ
Answer: Option C. -> (P k/h AC)^1/2
Answer: (c).(P k/h AC)^1/2
Answer: (c).(P k/h AC)^1/2
Answer: Option A. -> True
Answer: (a).True
Answer: (a).True
Question 56. A very long copper rod 20 mm in diameter extends horizontally from a plane heated wall maintained at 100 degree Celsius. The surface of the rod is exposed to an air environment at 20 degree Celsius with convective heat transfer coefficient of 8.5 W/m² degree. Workout the heat loss if the thermal conductivity of copper is 400 W/m degree
Answer: Option B. -> 20.71 W
Answer: (b).20.71 W
Answer: (b).20.71 W
Answer: Option C. -> Fin
Answer: (c).Fin
Answer: (c).Fin
Answer: Option B. -> 66.57%
Answer: (b).66.57%
Answer: (b).66.57%
Answer: Option A. -> 1, 2 and 4
Answer: (a).1, 2 and 4
Answer: (a).1, 2 and 4
Answer: Option D. -> 1, 2 and 3
Answer: (d).1, 2 and 3
Answer: (d).1, 2 and 3