Ramsay Test Electrical 5

Question 1

What is the current through a 120-volt circuit with a 60-ohm load?

Accepted Answer

2 amperes

Answer

0.5 amperes

Answer

180 amperes

Answer

60 amperes

Question 2

Capacitance is measured in:

Accepted Answer

Farads

Answer

Henries

Answer

Ohms

Answer

Watts

Question 3

What is the main advantage of higher voltage for power transmission?

Accepted Answer

Lower current and reduced line losses

Answer

Higher current for more power

Answer

Eliminates the need for transformers

Answer

Increases conductor heating

Question 4

A normally open relay contact will:

Accepted Answer

Close when the coil is energized

Answer

Open when the coil is energized

Answer

Stay open permanently

Answer

Carry no current ever

Question 5

Which law states the sum of currents entering a node equals the sum leaving?

Accepted Answer

Kirchhoff's Current Law

Answer

Ohm's Law

Answer

Lenz's Law

Answer

Faraday's Law

Question 6

What is the purpose of a circuit breaker?

Accepted Answer

Interrupt current automatically during overload

Answer

Increase voltage

Answer

Store charge

Answer

Smooth AC ripple

Question 7

Insulation resistance is best tested with a:

Accepted Answer

Megohmmeter

Answer

Clamp meter

Answer

Tachometer

Answer

Frequency counter