Correct answer
B. Both A. & B.
Explanation
The correct answer is Both A. & B..
For the Stoke’s law to be valid in the case of a falling sphere in a fluid, the________?
In a turbine, the fluid expands almost________?
In the manufacture of urea, the intermediate chemical formed is________?
Glass reacts with________?
Babbitt metal used for bearings is a ________base alloy?
A furnace is made of a refractory brick wall of thickness 0.5 metre and thermal conductivity 0.7 W/m.°K For the same temperature drop and heat loss, this refractory wall can be replaced by a layer of diatomaceous earth of thermal conductivity 0.14 W/m.K and thickness ________ metre?