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Untitled Lesson

Untitled Lesson

Assessment

Presentation

Science

Professional Development

Practice Problem

Hard

Created by

Matej Mokricki

Used 1+ times

FREE Resource

1 Slide • 19 Questions

1

Electrical installations

By Matej Mokricki

2

Multiple Choice

What is RCD?

1
Residual Current Device
2
Regular Current Detector
3
Reactive Current Device
4
Residual Circuit Device

3

Multiple Choice

What is MCB?

1
Miniature Circuit Breaker
2
Micro Circuit Breaker
3
Multi Circuit Breaker
4
Main Circuit Breaker

4

Multiple Choice

What means MCCB?

1
Miniature Case Circuit Breaker
2
Molded Case Circuit Breaker
3
Molded Case Control Breaker
4
Molded Circuit Control Box

5

Multiple Choice

What means RCCB?

1
Residual Current Conductor Breaker
2
Residual Current Circuit Breaker
3
Residual Current Circuit Board
4
Residual Current Control Box

6

Multiple Choice

What menas AC?

1
Alternating Current
2
Direct Current
3
Alternating Circuit
4
Alternating Charge

7

Multiple Choice

What means DC?

1

Direct Current

2
Direct Connection
3
Data Center
4
Digital Circuit
5

Dual Circuit

8

Multiple Choice

What are Electrical Installations?

1
Electrical installations are solely for telecommunications systems.
2
Electrical installations refer to the generation of electricity.
3
Electrical installations are systems and components used to distribute electrical power in buildings.
4
Electrical installations are only used for outdoor lighting.

9

Multiple Choice

Ohm's Law?

1

U = R / I

2

I = U + R

3

R = U - I

4

U = I * R

10

Multiple Choice

Electric power equation?

1

P = I / U

2

P = U + I

3

P = U - I

4

P = U × I

11

Multiple Choice

Electrical energy equation?

1

We = V × Q

2

We = m × g × h

3

We = I × R

4

We = P × t

12

Multiple Choice

What means conductor cross-section?

1
The area of a conductor's cross-section, indicating its capacity to carry electrical current.
2
The color of a conductor's insulation.
3
The weight of a conductor's material.
4
The length of a conductor's wire.

13

Multiple Choice

Which is correct IEC standard for electrical installations?

1
IEC 60364
2
IEC 61000
3
IEC 60245
4
IEC 60320

14

Multiple Select

Dangerous voltages?

1

120 VAC

2

24 VAC

3

230 VAC

4

60 VAC

15

Multiple Choice

What means SIST?

1

Slovenian Institute for Standardization

2
Systematic Instructional Support Training
3
Systematic Instructional Support Technology
4
Systematic Instructional Support Task

16

Multiple Choice

International SI units?

1
The seven base SI units are meter, kilogram, second, ampere, kelvin, mole, and candela.
2
yard, ounce, day, watt, rankine, quark, and foot
3
inch, pound, minute, joule, fahrenheit, atom, and lux
4
liter, gram, hour, volt, celsius, particle, and lumen

17

Multiple Choice

SELV voltage?

1
Below 100V AC or 240V DC
2
Above 50V AC or 120V DC
3
Only applicable in industrial settings
4
Safety Extra Low Voltage (SELV) is typically below 50V AC or 120V DC.

18

Multiple Choice

PELV voltage?

1
0 to 10 volts AC
2
0 to 50 volts AC or 0 to 120 volts DC
3
50 to 100 volts DC
4
0 to 25 volts AC

19

Multiple Choice

What means PRCD?

1
Personal Residual Current Device Unit
2
Public Residual Current Device
3
Personal Reactive Current Device
4

Portable Residual Current Device

20

Multiple Choice

Frequency of AC outlet voltage in EU?

1
50 Hz
2
60 Hz
3
40 Hz
4
30 Hz

Electrical installations

By Matej Mokricki

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