A. Non-crystalline organic polymeric
B. Ceramic
C. All crystalline
D. All amorphous
Related Mcqs:
- Isotropic materials have the same _______________________ in all directions?
A. Induced stresses
B. Density
C. Elastic properties
D. Thermal properties - The transition temperature at which all the ferromagnetic materials become paramagnetic materials is termed as the ‘Curie temperature’. Its value for cobalt is ______________ °C?
A. 768
B. 1127
C. 1359
D. 1480 - The behaviour of a metal specimen, which when plastically strained in tension reduces its yield stress in compression and vice versa; is termed as the_______________?
A. Work hardening
B. Bauschinger effect
C. Creeping effect
D. Stress recovery effect - In “Imperial Smelting Process” for extraction of zinc, zinc vapour thus produced is quenched in the external condenser by the use of the following _______________________?
A. Jet of water at high pressure
B. Blast of air
C. Mixture of water and air
D. Rain of molten lead - Carbon is present in the form of _______________________ in grey cast iron ?
A. Spheroids
B. Nodular aggregates of graphite
C. Flakes
D. Cementite - Drossing is a _______________________ operation?
A. Smelting
B. Dressing
C. Roasting
D. Dressing - The passage between the nozzle and the _______________________ is called ‘sprue’ in case of injection moulding?
A. Runner
B. Cylinder
C. Mold
D. None of these - Optical activity is a/an _______________________ property ?
A. Additive
B. Constitutive
C. Both A. & B.
D. Neither A. nor B. - For grinding of softer materials, the grinding wheel should have _________________ grain size ?
A. Finer
B. Coarser
C. Medium
D. Any type of - What is the range of tempering temperature (°C) for most of the materials ?
A. 75-100
B. 200-300
C. 350-450
D. 500-600
