A. Atoms
B. Neutrons
C. Nucleons
D. Electrons
A. Electrode size
B. Plate thickness
C. Voltage across the arc
D. Welded portion length
Which of the following mainly decides the current to be employed is arc welding ? Read More »
Chemical Engineering Basics A. Ammonium phosphate
B. Calcium phosphate
C. Animal charcoal
D. Ammonium sulphate
Main constituent of bone ash is____________________? Read More »
Chemical Engineering Basics A. Induced stresses
B. Density
C. Elastic properties
D. Thermal properties
Isotropic materials have the same _______________________ in all directions? Read More »
Chemical Engineering Basics A. Pressure
B. Thermit
C. Resistance
D. Arc
Projection welding & stud welding is categorised as the _______________ welding? Read More »
Chemical Engineering Basics A. Chromel-alumel
B. Copper-constantan
C. Platinum-platinum rhodium
D. Iron-constantan
A. Smelting
B. Dressing
C. Roasting
D. Dressing
Drossing is a _______________________ operation? Read More »
Chemical Engineering Basics A. Graphite
B. Lead sulphide
C. Lead
D. Both B. & C.
Lead pencil contains____________________? Read More »
Chemical Engineering Basics A. Galvanising
B. Tinning
C. Sherardizing
D. None of these
A. Septic tank
B. Oxidation well
C. Digestor
D. Lagoon
The underground well of a bio gas plant is called the________________? Read More »
Chemical Engineering Basics