As you want placement papers of recruitment in TCIL, so here I am providing following papers:

TCIL Recruitment Placement Papers
Technical Questions
1 picogram = how many grams (10-2 gm).

TLV means? (threshold limit value).

Ppm full form? (parts per million).

MIC full form ? (methyl isocyanate).

FGD ? (Flue gas desulphurization).

DM ? (Demineralized).

Distillation is a " (Separation process).

Distillation_which will evaporate first (Lower BP).
Volatility.

Henry's Law (applicable to dilute soln, mole fraction <0.03, p=kc).

BOD measured by ? (Aquatic life).

Toxicity is measured by ? (heavy metals).

Heaviest noble gas (radon).

Cryogenics(study of material at subzero temp).

Which element has university named after it ? (Berkelium).

When was coal found? (Ancient times).

Carbonization of coal gives? (coke).

What is basic process in steel making ? (removal of carbon).

Flue gas analysis " (Orsat analysis).

Destructive distillation used for ? (coke refining).

Temperature inversion occurs in which season? (Winter).

Removal of water from oil is done why which process?(leaching).

In what temp celsius and fahrenheit becomes equal?(-40).

Diffusion_conc gradient (None of these).

Argon in atm (0.93%).

Percentage of O2 in exhaust gases (10 %).

Welding Layer: Coke.

Portable H20 is (drinking water).

Which of this is max in steel -? (Dust).

BOD? (Biological oxygen demand).

Universal solvent ? (H2O).

Refrigerant ? (Freon).

Binder used in pellet making?( Bentonite).

Which of these has highest calorific value? (coke oven gas, 4200-4500).

Exhaust gases are converted to less harmful gases by - (catalytic converter).

Scaling is formed in heat exchanger due to? (Hardness).

Acid Dissociation Const for strong acid (<-2).

Iron extraction (Both of These).
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