2914Chemical EngineeringMedium
Locomotive boiler tubes are made of ________ alloys?
AMagnesium
BArsenic copper
CAluminium
DNickel
Correct answer
B. Arsenic copper
Explanation
The correct answer is Arsenic copper.
Correct answer
B. Arsenic copper
Explanation
The correct answer is Arsenic copper.
When the concentration of SO2 in air is greater than ________ ppm, it gives a pungent smell?
If air (a non-condensing gas) is present in a condensing vapor stream, it will ________ the condensation rate of vapor?
Secondary hardening in steels arises out of the ________?
A cylindrical storage tank can have a self supported conical roof?
Tetra-ethyl lead is added in gasoline to ________?
Capacity of flight conveyor in tons/hr is given by (where, W & D = width and depth of flight respectively in metre V = speed of the conveyor, metre/second ρ = bulk density of material, kg/m3)?