Related Questions

Every direct stress is always accompanied by a strain in its own direction and an opposite kind of strain in every direction, at right angles to it. Such a strain is known as
A Linear strain
B Lateral strain
C Volumetric strain
D Shear strain
A cylinderical rod subjected to a tensile strain within the elastic limit undergoes a volume change. If the volume strain is equal to half the tensile strain, then the Poisson's ratio of the rod is
A 0
B 0.33
C 0.44
D 0.25
In AC.S.R. Conductors, the insulation between aluminium and steel conductors is
A Insulin
B Bitumen
C Varnish
D No insulation is required
Transmission line insulators are made of
A glass
B porcelain
C iron
D P.V.C.
Pin type insulators are generally not used for voltages beyond
A 1 kV
B 11 kV
C 22 kV
D 33 kV
Which of the following is not a constituent for making porcelain insulators?
A Quartz
B Kaolin
C Felspar
D Silica
Are the materials having electrical conductivity much less than most of the metals but much greater than that of typical insulators.
A Varistors
B Thermistor
C Semiconductors
D Variable resistors
This group of alumino-silicate minerals is widely used in making electrical insulators
A Bauxite
B Chromite
C Manganese
D Mica
The ratio of the lateral strain to the linear strain is called
A Modulus of elasticity
B Modulus of rigidity
C Bulk modulus
D Poisson's ratio
The ratio of lateral strain to axial strain of a homogeneous material, is known
A Yield ratio
B Hooke’s ratio
C Poisson’s ratio
D Plastic ratio

Next steps