Category: Chemical Engineering Basics

A. Is trebled
B. Remains unchanged
C. Decreases by a factor of 3
D. Decreases by a factor of 1/3

A. CaF2
B. Ca3(PO4)2
C. CaCO3
D. CaCl2

A. Turbulent
B. Viscous
C. Gravity
D. Pressure

A. Seam welding, projection welding & spot welding are the classification of electrical resistance
welding
B. Electrode tip in spot welding is of copper and the tip diameter should be equal to t (where, t =
plate thickness to be welded)
C. In spot welding, two pieces to be joined are overlapped and placed between two electrodes
D. Mild steel sheet cannot be spot welded

A. Martensitic
B. Bainitic
C. Carburised
D. Stressed

A. Aluminium
B. Stainless steel
C. Brass
D. Copper

A. gm .cm-1 sec-1
B. gm . cm2 . sec-2
C. gm .cm-2, sec-1
D. gm . cm . sec-1

A. Orange yellow in alkaline medium
B. Orange yellow in acidic medium
C. Colourless in acidic medium
D. Colourless in basic medium

A. Shock loading
B. Vibration
C. Fatigue
D. Tension

A. Zirconia
B. Alumina
C. Bakelite
D. Tungsten carbide