A. Make the plate softer
B. Burn oil & grease sticking to plate surfaces
C. Avoid plate distortion
D. Prevent cold cracks
Preheating before welding is done to____________________? Read More »
Chemical Engineering Basics A. Liquid iron
B. Solid iron
C. Sponge iron
D. Iron saturated with carbon
The product of a commercial direct reduction process is___________________? Read More »
Chemical Engineering Basics A. 8.82
B. 9.81
C. 10.88
D. 0.95
A. Decreases & increases
B. Increases & increases
C. Increases & decreases
D. Decreases & decreases
A. Vapour locking
B. Hot starting
C. Spark plug fouling
D. All A, B & C
A. Blades of gas turbine
B. Piston of an I. C. engine
C. Flywheel of steam engine
D. Cycle chain
Consideration of the creep is the most important in case of the_____________________? Read More »
Chemical Engineering Basics A. High brittleness
B. Higher tendency to distort
C. High ductility
D. None of these
Fine grained steels have____________________? Read More »
Chemical Engineering Basics A. Viscous force is larger than the inertia force
B. Inertia force is larger than the viscous force
C. Inertia force is larger than the surface tension force
D. Inertia force is larger than the gravitational force
If Reynolds number is greater than 1, then the_____________________? Read More »
Chemical Engineering Basics A. Refine coarse grain structure obtained during hot working
B. Improve ductility
C. Improve yield strength
D. Improve mechanical properties
Normalising of an object does not________________________? Read More »
Chemical Engineering Basics A. 110
B. 85
C. 60
D. 45
