RECTIFIERS AND CONVERTERS QUIZ

Both of the listed here

They are mechanically strong

They do not require any voltage for filament heating

None of the listed here

Electrolytic and electro-chemical processes

All of the listed here

Battery charging work

Arc welding

Zinc

Aluminium

Load

Copper

100 A at 100 V

300 A at 300 V

400 A at 400 V

500 A at 500 V

Illumination

Electrolysis

Traction

Variable speed operation

All of the listed here

Motor converters

Rotary converters

Rectifiers

zero power factor

low power factor

None of the listed here

high power factor

self restoring property of mercury

high temperature inside the rectifier

energy spent in overcoming the electrostatic field

high ionization potential

tube is evacuated

anode is heated

low mercury vapour pressures are used

an auxiliary electrode is used

0.5 V to 1.5 V per cm length of the arc

0.05 V to 0.2 V per cm length of the arc

2 V to 3.5 V per cm length of the arc

none of the listed here