GIZ - 5

Which component can store energy and can be used in time-delay circuits?

• A capacitor
• A potentiometer
• A resistor
• A thermistor

Efficiency of a transformer is given by:

• Output power /input power
• Input power /output power
• Output magnetic lines of force /input magnetic lines of force
• None of this

An alternator converts ______ energy into ____energy.

• Potential to kinetic
• Mechanical to electrical
• Electrical to mechanical
• None of this

Offers ground fault protection and improved ground fault coordination capability.

• Electronic rms Trip Breakers
• Thermal-Magnetic Breakers
• Arc Extinguishers
• Earth leakage circuit breakers

Its function is to combine, divide, and extinguish the arc drawn between opening breaker contacts.

• Electronic rms Trip Breakers
• Thermal-Magnetic Breakers
• Arc Extinguishers
• Earth leakage circuit breakers

What does NTC stand for?

• Negative temporal coefficient
• Negative Temperature Coefficient
• Normal thermal coefficient
• Normal Temperature Coefficient

A motor overload protection is connected in parallel to the motor windings.

• True
• FALSE

What is the measurement unit for the pressure?

• Pa
• bar
• atm
• all the above

1 bar equals to …?

• 101325 Pa
• 100000
• 1,033 Pa
• 760 Pa

100 C equals to …….

• 373 K
• 300 K
• 350 K
• None of the above