A. Organic in nature
B. Stronger in compression than in tension
C. Always amorphous in nature
D. Always bad heat conductors
Related Mcqs:
- Ceramic materials fabrication cannot be done by__________________?
A. Welding
B. Slip casting
C. Extrusion
D. Plastic pressing - Which of the following is not used as the ceramic material in „cermets‟?
A. Silicides
B. Oxides
C. Carbides
D. Nitrides - Ceramic materials__________________?
A. Are exemplified by clay and mica
B. Are poor electrical conductors due to lack of free electrons
C. Never exhibit polymorphism
D. All A., B. and C. - Ceramic recuperators are generally made of_________________?
A. Silicon carbide
B. Calcium carbide
C. Fireclay bricks
D. High alumina bricks - Plastics are____________________?
A. Used in very high temperature applications
B. Non-biodegradable
C. Not suitable for drainage pipe manufacture
D. All A., B. & C. - Diamagnetic materials are magnetised________________?
A. Strongly
B. Only slightly
C. With eddy currents only
D. In a direction opposite to that of the applied field - Cermets are ______________ materials?
A. Refractory
B. Reinforced
C. Abrasive
D. Fully metallic - ____________ alloys have the highest specific strength of all the structural materials out of the following?
A. Magnetic steel
B. Titanium
C. Chromium
D. Magnesium - The behaviour of visco-elastic material is time dependent. This behaviour is common in _____________ materials?
A. Non-crystalline solid
B. Crystalline
C. Rubbery
D. Non-crystalline organic polymeric - An elastic behaviour of materials is expressed in terms of_______________?
A. Hysteresis loop area
B. Stress-strain curve
C. Relaxation time
D. None of these
