Correct answer
B. Mainly tin (85%) and lead
Explanation
The correct answer is Mainly tin (85%) and lead.
If h1 = inner film co-efficient and /h2 = outer film co-efficient, then the overall heat transfer co-efficient is________?
Laser is a device to produce________?
The main use of heavy gas oil produced by the vacuum distillation unit is as a________?
Turndown ratio of a gas burner is equal to the ________?
Polyvinyl alcohol is used as a________?
With increase in the liquid flow rate at a fixed gas velocity in a randomly packed counter current gas-liquid absorption column, the gas pressure drop________?