Question

What is the unit of specific heat of solid metal?

(a) J/kg

(b) J °C/kg

(c) J/kg °C

(d) °C/kg

I have been asked this question during an online exam.

My doubt stems from Heating and Pouring in chapter Preventive Maintenance in Foundries & Metal Casting Process of Casting-Forming-Welding I

Answer 1

The correct answer is (c) J/kg °C

The explanation is: The units to measure the specific heat of a solid metal or that of liquid metal is given by J °C/kg, where Joule is unit of energy, Celcius is the unit of temperature and kg is the unit of mass.