GATE MT · 2017 · MT
Question 32: Heat transfer
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Question 32
MTNAT2 marksNeeds review
A continuous cast steel slab, 1 m × 1 m × 0.1 m, at 1298 K cools in air. The initial rate of heat loss (in kW) from the top surface of slab by radiation and convection is __________ (answer up to two decimal places)
Given: (i) Ambient temperature = 298 K, (ii) emissivity of steel = 0.8, (iii) convective heat transfer coefficient = 4.6 W m
K
, (iv) Stefan-Boltzmann constant (
) =
W m
K
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2017MT
GATE MT 2017 · Paper 1
Metallurgical Engineering · Original paper archive
- Section
- Metallurgical Engineering
- Question type
- Numerical answer (NAT)
- Marks
- 2 marks
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