Materials and Construction MCQs

479 MCQs — Chemical Engineering MCQs (Page 7 of 48)

Attempt Materials and Construction Quiz

Rotary kilns in cement industry are lined with _____________bricks?

A. Fireclay
B. Silica
C. Lead
D. High alumina & high magnesia

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Wrought iron is having very high ________________?

A. Hardness
B. Strength
C. Corrosion resistance
D. Susceptibility to changes in its properties by heat treatment

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A hardness depth of about 3 mm can be achieved by induction hardness in ______________ seconds?

A. 5
B. 100
C. 250
D. 500

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Presence of cobalt in steel improves its____________________?

A. Cutting ability
B. Corrosion resistance
C. Tensile strength
D. None of these

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Bush bearings are made of______________________?

A. Mild steel
B. Phosphorous bronze
C. White metal alloys
D. None of these

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How many atoms are there per unit cell in a body centred cubic lattice system ?

A. 6
B. 5
C. 3
D. 2

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Nickel base alloys with ______________ are known as monel metal?

A. Zinc
B. Tin
C. Copper
D. Molybdenum

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Glass is corroded by________________?

A. Fluorine (dry or wet)
B. Sulphuric acid
C. Phosphoric acid
D. None of these

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Tin base and lead base alloys are used for bearing materials. Tin compared to lead has lower_________________?

A. Price
B. Corrosion resistance
C. Thermal conductivity
D. Abundant availability

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Nickel as a material of construction__________________?

A. Is used as an alloying element for both ferrous & non-ferrous alloys
B. Is paramagnetic below 415° c (its curie temperature)
C. Diamagnetic
D. Has a body centred cubic (bcc) crystal lattice structure

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