Correct answer
C. Results in making part of the heating surface inactive
Explanation
The correct answer is Results in making part of the heating surface inactive.
Water-ethyl alcohol solution can be concentrated (in respect of alcohol concentration) by ________ distillation?
With increase in temperature, the rate of extraction in leaching (solid-liquid extraction system)?
When a high liquid hold up is required in a reactor for gas liquid reaction, use ________ column?
________ is used for producing a thick suspension from a thin slurry?
The inner wall of a furnace is at a temperature of 700°C. The composite wall is made of two substances, 10 and 20 cm thick with thermal conductivities of 0.05 and 0.1 W.m-1.°C- 1 respectively. The ambient air is at 30°C and the heat transfer co-efficient between the outer surface of wall and air is 20 W.m-2.°C-1. The rate of heat loss from the outer surface in W.m-2is________?
Petroleum is believed to have originated from ________ sources?