Q. _________ is the hardest oxide and is hence used where high wear resistance at high temperature is required.

Related MCQs

Q. Phenol is mainly used

Q. The boiling points of pure components of a binary system __________ with increase in total pressure of the system.

Q. The process involved in converting rubber into a thin sheet or coating it on fabric is called

Q. _________ iron is produced by the annealing of white cast iron.

Q. Heat transfer rate described by Fourier's law will decrease, if the __________ increases.

Q. In a multi-pass shell and tube heat exchanger, tube side return pressure loss is equal to __________ the velocity head.

Q. Presence of even 0.005% of __________ in copper makes it highly brittle, rendering it useless for wire-drawing.

Q. _______ balls capable of grinding the feed in a ball mill gives the maximum efficiency.

Q. The wetted wall tower is used to determine

Q. It is desired to concentrate a 20% salt solution (20 kg of salt in 100 kg of solution) to a 30% salt solution in an evaporator. Consider a feed of 300