Related Questions

The material for armouring on cable is usually
A Steel tape
B Galvanized steel wire
C Any of the above
D None of the above
Multi-core cables generally use
A Square conductors
B Circular conductors
C Rectangular conductors
D None of the above
A ferrite core has less eddy current loss than an iron core because
A Ferrites have high resistance
B Ferrites are magnetic
C Ferrites have low permeability
D Ferrites have high hysteresis
Which of the following does not cause losses in optical fibre cables?
A Stepped index operation
B Scattering
C Microbending
D Light absorption
Due to which of the following reasons the cables should not be operated too hot?
A The oil may loose its viscosity and it may start drawing off from higher levels
B Expansion of the oil may cause the sheath to burst
C Unequal expansion may create voids in the insulation which will lead to ionization
D All of the above
Pressure cables are generally not used beyond
A 11 kV
B 33 kV
C 66 kV
D 132 kV
In a single stage, single acting reciprocating air compressor without clearance volume, the work-done is maximum during
A Isothermal compression
B Isentropic compression
C Polytropic compression
D None of these
In a single stage, single acting reciprocating air compressor, without clearance volume, the work-done is minimum during
A Isothermal compression
B Isentropic compression
C Polytropic compression
D None of these
Which one of the following cables can transmit data at high speads?
A Co-axial cables
B Twisted pair cables
C Fibre optic cables
D UTP cables
Which one of the following cables can transmit data at high speeds?
A Co-axial Cables
B Twisted pair cables
C Fibre optic cables
D UTP cables

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