Materials and Construction MCQs

479 MCQs  — Chemical Engineering MCQs  (Page 20 of 48)

Coke oven walls are lined with _____________ bricks?
A. Silica
B. Tar-dolomite
C. Low thermal conductivity
D. Fire clay
Carbon content in plain carbon steel is ______________ percent?
A. 0.1 to 0.15
B. 0.35 to 0.45
C. 0.65 to 0.80
D. 0.85 to 1.2
Common house hold glass (i.e., soda-lime glass) is a/an _____________ material?
A. Fully crystalline
B. Partly crystalline
C. Amorphous
D. None of these
A magnetic material becomes ____________ above the Curie temperature?
A. Ferromagnetic
B. Diamagnetic
C. Paramagnetic
D. None of these
Metalloid is__________________?
A. Highly electronegative in nature
B. An element which exhibits the properties of both metal & non-metal
C. An alloy
D. All a., b. and c.
Most suitable material for high pressure vessel operating at 500 atm. and 500° C is__________________?
A. Molybdenum stainless steel
B. 18/8 stainless steel
C. Mild steel
D. High silicon iron (14% si)
Hydrochloric acid absorber in made of___________________?
A. Cast iron
B. Mild steel
C. Karbate
D. Stainless steel