Flames i fums Flashcards

1
Q

Que són les flames de premescla?

A

La barreja combustible/comburent és fa a dins del recipient. Flama d’alta temperatura. Forma de con i és de color blavosa.

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2
Q

Que són les flames de difusió?

A

Combustible i comburent es van barrejant a mesura que es dóna la combustió. Flama de baixa temperatura. Color groc o taronja.

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3
Q

Color de flama daurat…

A

Ferro

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4
Q

Color de flama violeta…

A

Potassi i/o Mercuri

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5
Q

Color de flama blanca…

A

Magnesi

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6
Q

Color de flama blava…

A

Hidrocarburs

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7
Q

Color de flama verda…

A

Bari i/o coure

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8
Q

Color de flama taronja…

A

Sodi i/o calci

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9
Q

Color de flama vermell…

A

Estorci i/o liti

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10
Q

De que està format el fum?

A

Brea: Partícules sòlides i líquides en suspensió.
Sutge: Residu sòlid arrossegat pels gasos de la combustió.
Cendra: Residu sòlid de la combustió permanent al lloc on es produeix la reacció.

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11
Q

Color de fum blanc…

A

Productes vegetals i/o pinsos

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12
Q

Color de fum groc…

A

Sofre i/o àcids

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13
Q

Color de fum gris…

A

Fibra vegetal i/o cel·lulosa

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14
Q

Color de fum gris fosc…

A

Cautxú

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15
Q

Color de fum negre…

A

Petroli

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