Correct answer
A. Copper-constantan
Explanation
The correct answer is Copper-constantan.
Joining of thin foils is preferred to be done by ________?
For water-ethanol system, the minimum reflux ratio________?
Annual depreciation costs are constant, when the ________ method of depreciation calculation is used?
In ________ converter for ammonia synthesis, the catalyst is arranged in the form of a single continuous bed?
Maximum amount of thermal radiation is emitted at all wavelengths at any specified temperature by a/an ________ body?
Aryl benzene sulphonate (ABS) is a________?