#1
Which of the following is a safety precaution when working with electrical measurements?
Wear insulated gloves
Touch live wires with bare hands
Use wet hands
Ignore safety gear
#2
What does the acronym 'EMF' stand for in the context of electrical measurements?
Electro-Magnetic Field
Electric Motor Force
Energy Measurement Factor
Electronic Measurement Frequency
#3
In electrical measurements, what does the term 'RMS' stand for?
Root Mean Square
Random Measurement Signal
Resistance Measurement System
Real Magnetic Sensitivity
#4
What is the primary purpose of a 'safety interlock' in electrical systems?
To increase electrical resistance
To prevent accidental operation of equipment
To amplify electrical signals
To measure inductance
#5
When working with electrical measurements, why is it important to follow the specified operating voltage range of an instrument?
To increase measurement accuracy
To decrease instrument lifespan
To prevent damage to the instrument and ensure safety
To measure resistance
#6
What is the purpose of a multimeter in electrical measurements?
To measure temperature
To measure resistance
To measure time
To measure weight
#7
Why is it important to use properly rated fuses in electrical circuits?
To increase power consumption
To decrease resistance
To prevent overcurrent and fires
To measure voltage
#8
Why is it important to calibrate measuring instruments regularly in electrical work?
To increase their weight
To reduce accuracy
To ensure accuracy in measurements
To decrease their lifespan
#9
What is the function of a 'shunt' in an ammeter?
To measure resistance
To bypass current around the meter
To amplify voltage
To measure temperature
#10
Why is it crucial to follow the color-coding standards for electrical wiring?
To make the workplace colorful
To confuse electricians
To ensure proper identification of conductors
To create an artistic environment
#11
What is the main hazard associated with high voltage electrical measurements?
Electric shock
Excessive light exposure
Loud noise
Chemical burns
#12
In electrical measurements, what does the term 'CAT III' indicate?
Category III
Current Attenuation Test
Common Amplitude Transformer
Cathode Ray Tube III
#13
When using a power meter, what does the term 'power factor' indicate?
Efficiency of the power supply
Ratio of real power to apparent power
Voltage drop in the circuit
Temperature rise in the equipment
#14
What safety measure should be taken when working on live electrical circuits?
Wear metal jewelry
Isolate the circuit before working
Work alone for better concentration
Ignore warning signs
#15
What does the term 'Ohm's Law' describe in electrical measurements?
The relationship between voltage, current, and resistance
The law of magnetic induction
The behavior of capacitors
The measurement of power factor