Correct answer
A. Tungsten carbide
Explanation
The correct answer is Tungsten carbide.
Coal is heated in presence of air to a temperature of about ________ °C, while determining its ash content for proximate analysis?
A high pressure boiler generates steam at a pressure greater than ________ kg/cm2?
Joule-Thomson Co-efficient at any point on the inversion curve is________?
Main product in calcium carbide-water reaction is________?
Depreciation of machines fails under the indirect expenses head. As per income tax regulations, it is calculated by the ________ method?
The actual temperature drop across the heating surface of an evaporator depends on the________?