ACES EE EE Trivia-6

An ACSR conductor of size 48/7 means that

• it has 48 strands of steel and 7 strands of aluminum

• it has 7 strands of steel and 48 strands of aluminum

• the conductor has 55 strand

• the conductor has 41 strands

A double circuit transmission line will have four conductors including one earth conductor

• true

• false

• maybe

• none of these

Hydro power stations are used as base load stations

• true

• false

• maybe

• none of these

In D.C. transmission there is no skin effect

• true

• false

• maybe

• none of these

Water hammer is developed in turbine

• true

• false

• maybe

• none of these

The reflection factor for a short circuited transmission line is unity

• true

• false

• maybe

• none of these

The value of diversity factor is

• less than one

• greater than one

• equal to one

• less than half

The percentage of electric energy consumed on a world wide basis is

• 80%

• 75%

• 30%

• none of these

The turbine used for high head in hydro plant is

• Francis turbine

• Kaplan turbine

• Pelton wheel

• none of these

The Pelton wheel is

• axial flow impulse turbine

• reaction turbine

• pressure turbine

• none of these