Correct answer
B. Chrome or magnesite
Explanation
The correct answer is Chrome or magnesite.
Peroxyacetyl nitrate (PAN), a pollutant is found in the________?
In parallel pipe problems, the________?
Which of the following parameters is not responsible for the heat loss from a hot steam carrying bare pipe surface located in a room without fans?
The dew point of an unsaturated gas-vapor mixture does not depend upon the ________ of the mixture?
Enthalpy of a vapor gas mixture may be increased by increasing the________?
A steel member used in the furnace construction to take the thrust of the brickwork is called________?