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Science

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Professional Development

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Hard

Matej Mokricki

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1 Slide • 19 Questions

Electrical installations

By Matej Mokricki

Multiple Choice

What is RCD?

Residual Current Device

Regular Current Detector

Reactive Current Device

Residual Circuit Device

Multiple Choice

What is MCB?

Miniature Circuit Breaker

Micro Circuit Breaker

Multi Circuit Breaker

Main Circuit Breaker

Multiple Choice

What means MCCB?

Miniature Case Circuit Breaker

Molded Case Circuit Breaker

Molded Case Control Breaker

Molded Circuit Control Box

Multiple Choice

What means RCCB?

Residual Current Conductor Breaker

Residual Current Circuit Breaker

Residual Current Circuit Board

Residual Current Control Box

Multiple Choice

What menas AC?

Alternating Current

Direct Current

Alternating Circuit

Alternating Charge

Multiple Choice

What means DC?

Direct Current

Direct Connection

Data Center

Digital Circuit

Dual Circuit

Multiple Choice

What are Electrical Installations?

Electrical installations are solely for telecommunications systems.

Electrical installations refer to the generation of electricity.

Electrical installations are systems and components used to distribute electrical power in buildings.

Electrical installations are only used for outdoor lighting.

Multiple Choice

Ohm's Law?

U = R / I

I = U + R

R = U - I

U = I * R

Multiple Choice

Electric power equation?

P = I / U

P = U + I

P = U - I

P = U × I

Multiple Choice

Electrical energy equation?

We = V × Q

We = m × g × h

We = I × R

We = P × t

Multiple Choice

What means conductor cross-section?

The area of a conductor's cross-section, indicating its capacity to carry electrical current.

The color of a conductor's insulation.

The weight of a conductor's material.

The length of a conductor's wire.

Multiple Choice

Which is correct IEC standard for electrical installations?

IEC 60364

IEC 61000

IEC 60245

IEC 60320

Multiple Select

Dangerous voltages?

120 VAC

24 VAC

230 VAC

60 VAC

Multiple Choice

What means SIST?

Slovenian Institute for Standardization

Systematic Instructional Support Training

Systematic Instructional Support Technology

Systematic Instructional Support Task

Multiple Choice

International SI units?

The seven base SI units are meter, kilogram, second, ampere, kelvin, mole, and candela.

yard, ounce, day, watt, rankine, quark, and foot

inch, pound, minute, joule, fahrenheit, atom, and lux

liter, gram, hour, volt, celsius, particle, and lumen

Multiple Choice

SELV voltage?

Below 100V AC or 240V DC

Above 50V AC or 120V DC

Only applicable in industrial settings

Safety Extra Low Voltage (SELV) is typically below 50V AC or 120V DC.

Multiple Choice

PELV voltage?

0 to 10 volts AC

0 to 50 volts AC or 0 to 120 volts DC

50 to 100 volts DC

0 to 25 volts AC

Multiple Choice

What means PRCD?

Personal Residual Current Device Unit

Public Residual Current Device

Personal Reactive Current Device

Portable Residual Current Device

Multiple Choice

Frequency of AC outlet voltage in EU?

50 Hz

60 Hz

40 Hz

30 Hz

Electrical installations

By Matej Mokricki

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