Quiz No 2 (PDU)

The Voltage Rating of Low-tension (L.T.) cables is....

• 1KV

• 3 KV

• 2KV

• 5KV

The Voltage rating of Screened cables is....

• 20kv to 60kv

• 22 kV to 66 KV

• 30kv to 40kv

• 15kv to 20kv

When there is a break in the conductor of a cable, it is called....

• Short Circuit fault

• earth fault

• Open Circuit fault

• Screening faults

Sub-stations which change the voltage level of electric supply are called.........

• Transformer sub-stations

• Switching Substation

• Outdoor substation

• Substation

When the neutral point of a 3-phase system is connected to earth through a resistor, it is called .

• Inductance Grounding

• Capacitive Grounding

• Resistance Grounding

• Inductance and Capacitive grounding

The electrical energy is converted to heat energy.....

• Electrical Heating

• Arc Heating

• Power

• Both

The electrodes used for projection welding are...

• Flat and smaller in diameter

• Flat and larger in diameter

• Round and smaller in diameter

• Round and larger in diameter

The process of moving any vehicle is called..

• Traction

• Electric Traction

• Electrical Traction system

• Traction System

The first known electric locomotive was built in...

• 1837

• 1835

• 1845

• 1840

The wire is supported by another wire called...

• Span

• Catenary

• Sag

• Static Wire