5247Chemical EngineeringMedium
Maximum allowable noise exposure limits for a man working for 8 hours a day in a noisy chemical plant is about ________ decibels?
A90
B20
C120
D60
Correct answer
A. 90
Explanation
The correct answer is 90.
Correct answer
A. 90
Explanation
The correct answer is 90.
Neutralisation of nitric acid with ammonia to produce ammonium nitrate is a/an ________ reaction?
For water at 300°C, it has a vapour pressure 8592.7 kPa and fugacity 6738.9 kPa Under these conditions, one mole of water in liquid phase has a volume of 25.28 cm3 and that in vapour phase in 391.1 cm3.Fugacity of water (in kPa) at 9000 kPa will be________?
Efficient burning of anthracite coal requires________?
Dispersion of a gas through liquid is done by using a________?
In an exothermic reaction, the energy of the reacting substances as compared to that of products is________?
The enzyme which can catalyse the conversion of glucose to ethyl alcohol is ________?