Materials and Construction

A. Drawn into wires
B. Hammered to a thin sheet
C. Fractured without deformation
D. Made lustrous by heating it

A. Friable
B. Ductile
C. Brittle
D. None of these

A. Chemical
B. Electrochemical
C. Both A. & B.
D. Neither A. nor B.

A. High co-efficient of thermal expansion
B. Low thermal conductivity
C. High corrosion resistance
D. All A., B. and C.

A. Calcium
B. Silicon
C. Boron
D. Aluminium

A. High silicon iron (14% Si)
B. Tin
C. Stainless steel
D. All A., B. and C.

A. 0.5
B. 2
C. 40
D. 75

A. Quartz
B. Calcite
C. Corundum
D. Fluorite

A. Armature of small motors/generators
B. Generators and small motors
C. Induction motors
D. High frequency transformers

A. Aluminium
B. Iron
C. Lead
D. Nickel