2. Carbon steel ball with diameter of 150 mm is heat treated in a gas fired furnace where the gas in the furnace is at 1

[answerhappygod]

2 Carbon Steel Ball With Diameter Of 150 Mm Is Heat Treated In A Gas Fired Furnace Where The Gas In The Furnace Is At 1 1 (25.81 KiB) Viewed 16 times

2. Carbon steel ball with diameter of 150 mm is heat treated in a gas fired furnace where the gas in the furnace is at 1200 K and convection coefficient of 55 W/mK. If the initial temperature of the carbon steel ball is 450K and the specific heat capacity and density of Carbon Steel are 600 J/kg. K and 7800 kg/m' respectively; a. How much time does the ball take to be heated to a temperature of 900K 14 marks b. What will be the temperature of the ball after 200 minutes of heating [3 marks c. If you increase the diameter of the ball three times what will be the duration required for heating the ball to the required temperature of 900K [3 marks)