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Fuses & MCB

Authored by Artan Albayati

Science

11th Grade

Used 21+ times

Fuses & MCB
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10 questions

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1.

MULTIPLE CHOICE QUESTION

1 min • 1 pt

The British standard (BS 1361, BS 1362) categorize ?

Re-wire able fuses.

Miniature circuit breaker.

Transforms Fuse

None of mentioned.

2.

MULTIPLE CHOICE QUESTION

1 min • 1 pt

1- The fuses protected electrical circuits from ...... ?

The water.

The Over load current.

The Electric shock

The Overload and short circuit current.

3.

MULTIPLE CHOICE QUESTION

2 mins • 1 pt

What is the fuse rate if 20 volte of power source applied to 10 Ohms load in electric circuit?

3 Ampers

0.2 Ampers

2 Ampers

200 Amperts

4.

MULTIPLE CHOICE QUESTION

2 mins • 1 pt

The difference between a FUSE and Miniature Circuit Breaker (MCB) is that ....?

Fuse can use many times but CB only once.

Fuse only once and CB many times may used.

Fuse and CB can use many number of times.

All of mentioned.

5.

MULTIPLE CHOICE QUESTION

1 min • 1 pt

A device capable of making and breaking load current and automatically breaking fault current is a

BS 88 Fuse

Isolators

Miniature Circuit-breaker

Disconnector

6.

MULTIPLE CHOICE QUESTION

2 mins • 1 pt

What is the Fault current (Iz) of type D Miniature circuit breaker If Rated current (In) 10A.

50 Amps.

100 Amps.

250 Amps.

None of above.

7.

MULTIPLE CHOICE QUESTION

1 min • 1 pt

One of the below devices is not used for protection.

Switche

RCD

MCB

Fuse

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