Answer / joshygovindan

The VESDA system uses an aspirator to sample air from
various strategic points within the room and this is
continuously monitored for products of combustion. The
system is highly sensitive and can detect very early stages
of burning, before a fire has time to develop

An automatic fire alarm system is designed to detect the
unwanted presence of fire by monitoring environmental
changes associated with combustion. In general, a fire
alarm system is either classified as automatic, manually
activated, or both. Automatic fire alarm systems can be
used to notify people to evacuate in the event of a fire or
other emergency, to summon emergency forces aid, and to
prepare the structure and associated systems to control the
spread of fire and smoke.

how the grounding[earting] is achieved on ships.

1 Answers  

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If we have 15000kw connected load in a factory than how much power demand sanction should be taken from electricity board. Pls provide complete calculation.

3 Answers  

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What is the difference between Ceiling Fan armature and Tablefan Armature or winding.

5 Answers   Pricol,

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How to check maintenance free battery 12V,26AH using analog multimeter

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placing earthing pit in pathway is correct or wrong??. placing earthing wireGI1/18 inside walls is correct or wrong?. explain!!!

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What is AVR in Generators and How is it working.

4 Answers  

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What must the distance between two MV cables be when they are laid on tray?

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What will be the voltage regulation of a full load and 0.80 power factor lagging load transformer when a two winding single phase transformer has a voltage regulation of 4.5% at full load and unity power factor?

0 Answers   HPCL,

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Determine the minimum cable size for a 28A single phase final sub circuit originating from the distribution board supplied by three phase submain. The route length of the final sub circuit is 54 m. Assume 1% voltage drop in the consumer's mains. Submain specification: Cable: 50mm2 4 core V75 copper; Route length 42m; Maximum demand 135A per phase

1 Answers  

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what is the difference between earthing and grounding of electric circuits

5 Answers   HCL, Turbo,

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why it is necessary to short and ground of a current transformer secondary side?

6 Answers   Ambuja,

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transformer losses

1 Answers  

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