A. Cermet
B. Glass
C. Thermosetting plastic
D. Metallic alloy
Related Mcqs:
- Which of the following is the most widely used insulating material for steam carrying pipelines ?
A. Ceramic fibre blanket
B. Glass wool and 85% magnesia
C. Vermiculite
D. Slag wool - Zircaloy used as a fuel cladding material in a nuclear reactor (thermal) is an alloy of zirconium_______________?
A. Tin, nickel, iron and chromium
B. And graphite
C. And copper
D. None of these - The high expansion metal normally used in the bimetallic thermometer is _______________ temperature measurement?
A. Brass for low
B. Nickel alloys for high
C. Both A. & B.
D. Aluminium for all - _____________ steel is widely used for the manufacture of motor car crankshafts?
A. Silicon
B. Nickel
C. Chrome
D. High speed - Failure of a material is termed as fatigue failure, if it fails below the yield point. The resistance to fatigue failure of a material is measured by the__________________?
A. Ultimate tensile strength (U.T.S.)
B. Endurance limit
C. Elastic limit
D. None of these - _____________ of a material results, when its strength is increased & ductility is decreased by heating at a relatively lower temperature after cold working?
A. Solid solution hardening
B. Screw dislocation
C. Strain ageing
D. Twinning - A magnetic material becomes ____________ above the Curie temperature?
A. Ferromagnetic
B. Diamagnetic
C. Paramagnetic
D. None of these - The temperature at which new grains are formed in the metal is called the ______________ temperature?
A. Eutectic
B. Recrystallisation
C. Upper critical
D. Lower critical - In hot wire anemometer used for gas flow measurement, the wire is normally made of ______________________?
A. Copper
B. Platinum
C. Constantan
D. Chromium - Thermal shield used in high powered nuclear reactor to protect the walls of the reactor from radiation damage is made of___________________?
A. Concrete
B. Steel
C. Zircaloy
D. Graphite
