Common types of Fire Extinguisher Onboard

By -

Water and Foam

Water and Foam fire extinguishers extinguish the fire by taking away the heat element of the fire triangle. Foam agents also separate the oxygen element from the other elements.
Water extinguishers are for Class A fires only - they should not be used on Class B or C fires. The discharge stream could spread the flammable liquid in a Class B fire or could create a shock hazard on a Class C fire.
http://www.femalifesafety.org/images/water-and-foam.jpg
Carbon Dioxide
Carbon Dioxide fire extinguishers extinguish fire by taking away the oxygen element of the fire triangle and also be removing the heat with a very cold discharge.
Carbon dioxide can be used on Class B & C fires. They are usually ineffective on Class A fires.
Dry Powder extinguishers are similar to dry chemical except that they extinguish the fire by separating the fuel from the oxygen element or by removing the heat element of the fire triangle.
However, dry powder extinguishers are for Class D or combustible metal fires, only. They are ineffective on all other classes of fires.
http://www.femalifesafety.org/images/dry-powder.jpg

Dry Chemical

Dry Chemical fire extinguishers extinguish the fire primarily by interrupting the chemical reaction of the fire triangle.

Today's most widely used type of fire extinguisher is the multipurpose dry chemical that is effective on Class A, B, and C fires. This agent also works by creating a barrier between the oxygen element and the fuel element on Class A fires.
Ordinary dry chemical is for Class B & C fires only. It is important to use the correct extinguisher for the type of fuel! Using the incorrect agent can allow the fire to re-ignite after apparently being extinguished succesfully.

Comments

Post a Comment

Popular posts from this blog

By -
Image
SULTANAH NUR ZAHIRAH Source: theadmirehunkz.blogspot.com                   Sultanah Nur Zahirah or Rozita binti Adil Bakeri was born 7 December 1973,  in Alor Star, Kedah, Malaysia. She is the current Sultanah of Terengganu. She was the 13th Raja Permaisuri Agong (Queen Consort) of Malaysia from 2006 to 2011. She received her primary school education at Sekolah Kebangsaan St. Nicholas' Convent, and her secondary school education at SMK St. Nicholas' Convent, both in Alor Star, Kedah, where she was a student librarian and Girl Guides member. She married Sultan Mizan Zainal Abidin of Terengganu on 28 March 1996 in Kuala Terengganu. She was then known as Cik Puan Sri Rozita Adil Bakeri. Sultanah Nur Zahirah is the second Raja Permaisuri Agong after Permaisuri Siti Aishah of Selangor who wears the headscarf (tudong) on a daily basis. She is also the third commoner to become the Raja Permaisuri Agong, after Tuanku Bainun binti Mohamad Ali of Perak and Tuanku Permaisuri Si
Read more

Pesta Pantai Terengganu 2017

By -
Image
Salam Semua. Kembali lagi kita harini ha. Log kali ini kita nak cerita tentang Pesta Pantai Terengganu 2017 yang berlangsung kat perkarangan pantai Batu Buruk, Kuala Terengganu. Sebelum kita start cerita pasal pergi pesta kita cerita sikit la sejarah pesta pantai ni. Mengikut sejarah, ada banyak jugak la versi kepada asal usul pesta pantai ni. Yang pertama, pesta pantai ni dikatakan bermula daripada penduduk Kampung Padang Kemunting dan Maras yang mengadakan pesta setelah selesai musim menuai padi, penduduk kampung akan berpesta selama seminggu di tepi pantai untuk meraikan kejayaan hasil menuai padi dan menghargai penat lelah. Tetapi versi ini dikatan adalah versi sejarah yang diolah untuk memberi gambaran lebih elok kepada komuniti rakyat Terengganu. Versi kedua yang lebih realistik dan mempunyai lebih banyak sumber rujukan, pesta pantai dulunya dikenali sebagai Pesta Puja Pantai. Pesta ini diadakan oleh para petani dan nelayan di beberapa buah negeri pantai timur semenanjung dan M
Read more

Learn How to Play 3 Musical Instruments in 3 Weeks

By -
Image
Its kinda hard to believe that you can learn 3 musical instruments in a week right? Yes it is. For you guys, the tone deaf people, you can just forget about it. Practice your hearing first then you can proceed and read this. Practice your humming and make sure it is synchronized with the song that you're listening to. This is the basic if you're into music. 1. Guitar What is so hard about it? Whenever you're free, spare an hour or two, play a song with 3 major chords, finito trabajo. I just took some random pics for you guys, you can just google the chords and the songs. Taking a break from your assignments? Revision? Use them to practice the guitar. In a week, you can at least know all the basic of guitar, major chords minor chords super chords ultra chords mega chords for sure. Nak main lead goreng2 tu, gotta mix up with people who can play, or, you can ask Google or youtube to help. 2.Keyboard/Piano I've played classical songs on the guitar for like a year,
Read more