M11c8⚡️

مقطع من الاغاني عراقيه قصيره · 30問 · 2ヶ月前

通報

問題一覧

On a Fenwall continuous-loop fire detector, an overheat condition causes a

drop in the resistance of the eutectic salt, closing an electric circuit

When a carbon monoxide detector which has been exposed to a level of carbon monoxide, will turn from

green to black color

Which type of fire extinguishant has been discontinued due to its toxicity and corrosiveness aluminum alloys

Methyl bromide MB

A thermal switch works on the principle of

thermal expansion

How much accumulation of smoke particles is required in the air to activate a photoelectric type smoke detector?

0.1

A lavatory waste bin fire extinguisher will be activated above

70 ̊C (158 ̊F)

Lavatory (NO SMOKING) placards must be displayed

both inside and outside of lavatory

A hand held portable fire extinguisher operating handle is

secured with copper tell-tale wire

Portable fire extinguishers are operated by

breaking the tamper-proof seal then squeezing the handle as required.

A fire can be put out by crew members in cargo bay is in a

class B compensation

A systron-Donner fire detection system uses

helium gas

Visual detection of smoke and have accusable in flight fire extinguisher available is

class B fire zone

These switches consist of a pair of contacts held apart by mechanism which is released when a fusible compound melts these switches are called

melting-link switches

The system uses a single wire surrounded by a continuous string of ceramic beads in an inconel tube is

Fenwall system

The Fire Detection Unit generates a loop fault warning

when failure in a detector and electrical failure

Thermal switches used for fire detection are connected

in parallel with each other and in series with the indicator lights

Light refraction smoke detectors

sense light reflected from smoke particles passing through chamber

Smoke detection devices are classified by their method of

Detection

Thermocouple fire detection systems activate the warning system by

generating a voltage when heated

Presence of smoke in the avionics compartment or behind circuit breaker panels can be sensed and confirmed by

a Sniffer

M11c1

M11c1

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M11c4

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M11c5⚡️

M11c5⚡️

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M11c6⚡️

M11c6⚡️

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M11c7

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M11c9

M11c9

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M11c10

M11c10

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M11c11

M11c11

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M11c12

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M11c13

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M11c14⚡️

M11c14⚡️

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M11c15

M11c15

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M11c16

M11c16

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M11c17

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M11c18⚡️

M11c18⚡️

M11c19⚡️

M11c19⚡️

M11c20⚡️

M11c20⚡️