engineering recuitment ISRO Technical Assistant 2024 Mock Test Heat Transfer Conduction Conduction with Uniform Heat Generation
A 1.57 kW resistance heater wire, whose thermal conductivity k = 10 W/m-K, has diameter of 5 mm and length 0.5 m and is used to boil water. If the outer surface temperature of the resistance wire is 110°C, determine the temperature at the center of the wire. [Assume, π = 3.14]
1
145 °C
2
120 °C
3
154 °C
4
135 °C