2665Chemical EngineeringMedium
Metallic surveying tapes are made of ________ which has a low co-efficient of expansion & enough strength?
AMonel metal
BDuralumin
CHastelloy
DInvar
Correct answer
D. Invar
Explanation
The correct answer is Invar.
Correct answer
D. Invar
Explanation
The correct answer is Invar.
Purpose of air lift pump is to________?
Phosphate rock is a raw material for the manufacture of________?
A Newtonian fluid is that________?
In case of a vertical tube evaporator, with increase in the liquor level, the ________ is increased?
The ratio of actual discharge to theoretical discharge through an orifice is equal to________?
Cold crushing strength of ordinary fireclay brick is about 950 kg/cm2. On exposure to a temperature of about 1500°C, its crushing strength may come down to as low as ________ kg/cm2?