CHEMICAL ENGINEERING BASICS QUIZ

Which of the following metals reacts violently with water ?

Calcium

Mercury

Magnesium

Sodium

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Angular displacement can be measured suitably by a

Stroboscope

Linear variable differential transducer (LVDT)

Tachometer

Shaft encoder

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What is the value of included angle of a triangular notch for maximum discharge ?

30°

120°

90°

60°

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Kinematic viscosity of water as compared to that of air is

15% more

More

15% less

Same

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Blast furnace slag is mainly molten

Calcium silicate

Magnesium silicate

Sand

Iron pyrite

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The emf of a Deniell cell Zn | Zn²⁺ || Cu²⁺ | Cu can be increased by

Decreasing the surface area of the electrodes

Increasing the surface area of the electrodes

Increasing the concentration of zinc sulphate solution

Increasing the concentration of copper sulphate solution

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Swaging is a/an __________ operation.

Forging

Piercing

Extrusion

Drawing

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Out of the following, the lowest packing of atoms exists in __________ crystal lattice structure.

Hexagonal close, packed (hcp)

Body centred cubic (bcc)

Simple cubic

Face centred cubic (fcc)

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

SiO₂

P

MnO₂

Al2O₃

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Out of the following, the most ductile material is

Aluminium

Copper

Nickel

Mild steel

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