Question Divers Flashcards

(14 cards)

1
Q

Que veut dire GNV

A

Gaz naturel pour véhicule

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2
Q

Densité du butane

A

2,07

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3
Q

Densité du propane

A

1,52

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4
Q

2 types de réservoir GPL

A
  • torique
  • cylindrique
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5
Q

A quoi sert la polyvanne sur un réservoir GPL

A
  • limiter le remplissage
  • limiter le débit du gaz
  • interdire le retour du gaz dans la canalisation
  • indiqué le niveau de gaz restant
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6
Q

GPL : soupape de sécurité

A

27b

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7
Q

Les différents accident rencontrés pour les réservoir GPL

A
  • fuite de gaz
  • apparitions de torchère a répétition
  • explosion type BLEVE
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8
Q

3 effets du BLEVE

A
  • effet missile jusqu’à 100m
  • création de flux thermique ( 30m pandent 3s )
  • surpression ressenti jusqu’à 120m
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9
Q

Densité du méthane

A

0,55B

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10
Q

LiE et LSE du méthane

A

6% et 16%

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11
Q

3 sécurité sur les bus au GNV

A
  • Électrovannes
  • thermo fusible
  • vannes manuelles
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12
Q

T°C du thermo fusible

A

110°C

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13
Q

Densité de l’hydrogène

A

0,07b

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14
Q

Lie et LSE hydrogène

A

4,1% et 74,8%

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