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What is the main function of a Manual Call Point (MCP) in a fire alarm system?

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Answer & Explanation

Correct AnswerB. To allow a person to manually trigger the fire alarm

Quick Explanation

A Manual Call Point (MCP) lets an occupant manually initiate the fire alarm after discovering a fire or dangerous condition. Activating it sends an alarm signal to the fire alarm control panel.

Formula / Key Relation

Person detects fire → operates MCP → fire alarm panel receives alarm → notification/control actions

Detailed Explanation

Concept & Reasoning

Automatic detectors respond to smoke, heat or flame; an MCP is a human-operated initiating device. It is placed along escape routes/accessible locations so an alarm can be raised immediately even before an automatic detector reaches its threshold.

How to Solve It in the Exam

MCP = manual fire alarm trigger.

Important Exam Point

Separate initiating devices from notification devices such as sounders/strobes.

Related Revision Path

This question sits in the revision path Building Electrical Services → Fire Alarm Systems → Manual Initiation Devices .

Quick Trick

MCP = manual fire alarm trigger.

Common Mistake

Calling MCP a smoke detector.

Exam Tip

Separate initiating devices from notification devices such as sounders/strobes.

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Exam Path

Knowledge Path

Study concept · Manual Call Point →Practice concept Practice topic

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Assistant Engineer (Electrical), Class-2, Road and Building Department2025Q. 291