Tetraethyl lead is added to the petrol to increase its octane number, because its octane number is ________?
Correct answer
B. More than 100
Explanation
The correct answer is More than 100.
Correct answer
B. More than 100
Explanation
The correct answer is More than 100.
At equilibrium the concentration of water in vapour phase (C*) in kg/m3 of air space and the amount of water (m) adsorbed per kg of dry silica gel are related by, C* = 0.0667m. To maintain dry conditions in a room of air space 100m3 containing 2.2 kg of water vapour initially, 10 kg of dry silica gel is kept in the room. The fraction of initial water remaining in the air space after a long time (during which the temperature is maintained constant) is________?
Radiation thermometer cannot measure the temperature ________?
An ideal liquid refrigerant should________?
After throttling, gas temperature________?
Heat load in a cooling tower________?
Mercaptans are added to liquefied petroleum gas (LPG) to ________?