CHEMICAL ENGINEERING BASICS QUIZ

The total frictional resistance to fluid flow does not depend upon the

Fluid velocity

Fluid pressure

Fluid density

Roughness of the surface

TRUE ANSWER : ?
YOUR ANSWER : ?

Boiler draught of 10 mm water column is equivalent to

1 kgf/mm²

10 kgf/mm²

10 kgf/m²

1 kgf/m²

TRUE ANSWER : ?
YOUR ANSWER : ?

Salvage value is the most flexible criteria for analysing a financial investment. 'Salvaging' means

Writing off the obsolete machine/ property

Disposing off a machine/property on as is where is basis

Disposing off machine/property, which is no longer useful in the present scenerio

Mortgaging the obsolete machine/property

TRUE ANSWER : ?
YOUR ANSWER : ?

'Flare tower' used in industry is meant for

Cooling of furnace exhaust gases

Venting off (after burning) the excess inflammable/toxic gases at high pressure

None of these

Absorbing the pollutant gases from the furnace exhaust

TRUE ANSWER : ?
YOUR ANSWER : ?

During sensible cooling of air, its wet bulb temperature

Decreases but dew point remains constant

Increases & the dew point decreases

Increases but dew point remains constant

Decreases & the dew point increases

TRUE ANSWER : ?
YOUR ANSWER : ?

Air/fuel ratio by weight for combustion of methane with theoretical quantity of air will be about

0.95902777777778

0.70902777777778

1.2090277777778

0.37569444444444

TRUE ANSWER : ?
YOUR ANSWER : ?

Limestone addition in the blast furnace is done to flux __________ present in the raw materials.

MnO₂

SiO₂

Al2O₃

P

TRUE ANSWER : ?
YOUR ANSWER : ?

Powder metallurgy process does not make metal powder by

Atomisation

Grinding/milling

Electrolytic deposition

Hammering

TRUE ANSWER : ?
YOUR ANSWER : ?

__________ is the most important element, which controls the physical properties of steel.

Vanadium

Silicon

Carbon

Manganese

TRUE ANSWER : ?
YOUR ANSWER : ?

__________ iron is produced by the annealing of white cast iron.

Nodular

Ductile

Grey

Malleable

TRUE ANSWER : ?
YOUR ANSWER : ?