CONDUCTOR & INSULATOR

A conductor should have .................

• Low specific resistance

• Medium specific resistance

• High specific resistance

• Any specific resistance

Which one of the flowing conductor is used in bulbs?

• Tungsten

• Carbon

• Copper

• Nichrome

Which one of the following conductor is used in heating elements?

• Tungsten

• Carbon

• Copper

• Nichrome

Which one of the following is not a conductor?

• Copper

• Silver

• PVC

• Aluminium

The standard Wire Gauge can measure from.......

• 0 to 32

• 0 to 34

• 0 to 35

• 0 to 36

Four illustrations are shown in the figure for a crimped termination of a cable to an eyelet lug, Which of the representation is the correct termination?

• (a)

• (b)

• (c)

• (d)

What is the voltage grade of heavy duty PVC sheathed power cable?

• 440V / 11000V

• 650V / 1100V

• 1100V / 11000V

• 11000V / 132000V

What is the advantage of a stranded conductor over solid conductors?

• More flexible

• More area of cross-section area

• More resistance

• More weight

What is the use of Eureka wire?

• Rheostat

• Heater

• Earth wire

• Winding wire

7/1.40 is the specification of the one stranded conductor. What does the denominator indicate in the above specification?

• Diameter of the conductor in mm

• Area of the conductor in square mm

• Radius of the conductor in square mm

• Diameter of the each conductor