Why are water and foam fire extinguishers unsuitable for electrical fires?

Why are water and foam fire extinguishers unsuitable for electrical fires?
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What are the different type of fire extinguishers used for different type of fires. Describe in brief working of fire extinguisher used for ‘electrical fire’?

Description : What are the different type of fire extinguishers used for different type of fires. Describe in brief working of fire extinguisher used for ‘electrical fire’?

Last Answer : Ans The types of extinguishers normally used are: Soda acid type Foam type Dry powder type Carbon dioxide type & Halol (chloro bromo methane) type Soda acid type of extinguisher is ... checked regularly for loss of charge, damage etc. Records of all tests and checks must be maintained.

What class of fires are carbon dioxide fire extinguishers most commonly used on?

Description : What class of fires are carbon dioxide fire extinguishers most commonly used on?

Last Answer : Carbon Dioxide based extinguishers are classified by the letters BC and ABC. They are primarily used in laboratories and should not be used in homes or businesses.

Which chemical is used in foam fire extinguishers? -Do You Know?

Description : Which chemical is used in foam fire extinguishers? -Do You Know?

Last Answer : Chemical foam extinguisher – The chemicals used in this foam type fire extinguisher are sodium bicarbonate and aluminium sulphate

Which chemical is used in foam fire extinguishers?

Description : Which chemical is used in foam fire extinguishers?

Last Answer : Aluminium sulphate

1. Which chemical is used in foam fire extinguishers? 2. Where is the headquarters of World Health Organization? 3. By whom was concept of Five Year Plans in India introduced? 4. West Bengal shares boundaries with how many foreign countries? 5. Who was the successor of Shivaji ?

Description : 1. Which chemical is used in foam fire extinguishers? 2. Where is the headquarters of World Health Organization? 3. By whom was concept of Five Year Plans in India introduced? 4. West Bengal shares ... Which is not a plantation crop? 20. By whom was first women's university in India was founded?

Last Answer : Answer : 1. Aluminium sulphate 2. Geneva, Switzerland 3. Jawaharlal Nehru 4. Three 5. Sambhaji 6. Hypothalmus 7. Direct elections 8. Oscillator 9. Punjab 10. Henry Vivian Derozio 11. Ranjita Biswas ... A Chairman and three other members 17. Silver 18. Increase 19. Sugarcane 20. Dhondo Keshave Karve

How many fire extinguishers do you have in your house or apartment?

Description : How many fire extinguishers do you have in your house or apartment?

Last Answer : I just have one KIDDE dry chemical ABC fire extinguisher. Good for most fires (electrical, flammable liquids and wood). It’s about a one gallon size. Pressure is good. I need to get it checked out soon (it’s been over 6 years). Thanks for reminding me.

When will sound based fire extinguishers be used for wildfires?

Description : When will sound based fire extinguishers be used for wildfires?

Last Answer : Have you any idea what might be required to generate sounds sufficient to extinguish a blaze the size of a forest fire?

Why do we need household fire extinguishers?

Description : Why do we need household fire extinguishers?

Last Answer : All fires start off small. If you have a fire extinguisher and can put it out quickly, you won’t have a huge fire. I’d also recommend a fire blanket in your kitchen to starve fat fires.

Fire extinguishers contain :

Description : Fire extinguishers contain :

Last Answer : Fire extinguishers contain : A. Nitrogen oxide B. Methyl bromide C. halone D. Chlorofluorocarbons.

When On a recreational boat the location of emergency equipment (life jackets fire extinguishers visual distress signals radio etc.) should be reviewed before departure with which persons?

Description : When On a recreational boat the location of emergency equipment (life jackets fire extinguishers visual distress signals radio etc.) should be reviewed before departure with which persons?

Last Answer : Need answer

What is a requirement fire fire extinguishers on a boat?

Description : What is a requirement fire fire extinguishers on a boat?

Last Answer : Must be Coast Guard approved

How many b1 fire extinguishers must aboard motorboats between 26 and 40 feet have aboard?

Description : How many b1 fire extinguishers must aboard motorboats between 26 and 40 feet have aboard?

Last Answer : two

Which gas is used in fire extinguishers? (1) Carbon dioxide (2) Nitrogen oxide (3) Carbon monoxide (4) Sulpher dioxide

Description : Which gas is used in fire extinguishers? (1) Carbon dioxide (2) Nitrogen oxide (3) Carbon monoxide (4) Sulpher dioxide

Last Answer : (1) Carbon dioxide Explanation: Sodium bicarbonate, regular or ordinary used on class B and C fires, was the first of the dry chemical agents developed. In the heat of a fire, it releases a cloud of carbon dioxide that smothers the fire.

What are the classes of fire and what type of extinguishers are used for them?

Description : What are the classes of fire and what type of extinguishers are used for them?

Last Answer : Class A: Ordinary combustible materials. Eg:- Paper, Wood , Cloth, Plastic, Rubber Extinguisher:- Water, DCP ,Foam, CO2,Halon Class B: Combustible liquids and greases Eg:- Gasoline, ... Magnesium, Potassium, Zinc, Calcium, Sodium, Titanium Extinguisher:- Metal X Type, Combustible metal type,

How many types of fire extinguishers are there and state their suitability?

Description : How many types of fire extinguishers are there and state their suitability?

Last Answer : a. Soda acid type - suitable for Class A type of fires. b. Foam type - suitable for Class A and Class B type of fires. c. Carbon-di-oxide type - suitable for Class B, Class C and for Class ... difluoro methane) - suitable for Class A, Class B, Class C and Class E types of fires. 

Sodium carbonate (soda ash) is not used in the manufacture of (A) Fire extinguishers (B) Sugar (C) Baking powder (D) Detergents

Description : Sodium carbonate (soda ash) is not used in the manufacture of (A) Fire extinguishers (B) Sugar (C) Baking powder (D) Detergents

Last Answer : (D) Detergents

Types of Fire Extinguishers? Use of Fire Extinguisher ?

Description : Types of Fire Extinguishers? Use of Fire Extinguisher ?

Last Answer : Ans. CO2 Type Fire Extinguishers, DCP type Fire Extinguishers Used for extinguishing fires of (1) Solid fires (2) Liquid fires (3) Gasfires(4)Electric

Dry powder fire extinguishers contain (1) sand (2) sand and sodium carbonate (3) sand and potassium carbonate (4) sand and sodium bicarbonate

Description : Dry powder fire extinguishers contain (1) sand (2) sand and sodium carbonate (3) sand and potassium carbonate (4) sand and sodium bicarbonate

Last Answer : sand and sodium bicarbonate

If four fires break out in a city of population 40 lakhs and if each hydrant has three streams and duration of each fire is four hours, the total quantity of water required, is (A) 1880 kilo litres (B) 2880 kilo litres (C) 3880 kilo litres (D) 4880 kilo litres

Description : If four fires break out in a city of population 40 lakhs and if each hydrant has three streams and  duration of each fire is four hours, the total quantity of water required, is  (A) 1880 kilo litres  (B) 2880 kilo litres  (C) 3880 kilo litres  (D) 4880 kilo litres 

Last Answer : (B) 2880 kilo litres 

How do I change the user agent reported by my Kindle Fire's browser? If I can't, is there a third-party browser for Fire that lets you do this?

Description : How do I change the user agent reported by my Kindle Fire's browser? If I can't, is there a third-party browser for Fire that lets you do this?

Last Answer : I have a Fire tablet too. I use Firefox for a browser on it. In Firefox if you click the three vertical dots in the upper right there is a option to show desktop site. If you select this ... APKs. Instructions here. And I would install this once you get firefox working. It makes things much nicer.

One morning a man is leaving on business trip and finds he left some paperwork at his office. He runs into his office to get it and the night watchman stops him and says, 'Sir, don't get on the plane. I had a dream last night that the plane would crash and everyone would die!' The man takes his word and cancels his trip. Sure enough, the plane crashes and everyone dies. The next morning the man gives the watchman a $1,000 reward for saving his life and then fires him. Why did he fire the watchman that saved his life? -Riddles

Description : One morning a man is leaving on business trip and finds he left some paperwork at his office. He runs into his office to get it and the night watchman stops him and says, 'Sir, don't get on the ... for saving his life and then fires him. Why did he fire the watchman that saved his life? -Riddles

Last Answer : He was fired for sleeping on the job!

The pacific Ring of Fire is - (1) an area of constant forest fires in the Pacific islands (2) a volcanic belt around the Pacific (3) an area of intense heat in the Pacific (4) islands rich in fuel minerals in the pacific

Description : The pacific Ring of Fire is - (1) an area of constant forest fires in the Pacific islands (2) a volcanic belt around the Pacific (3) an area of intense heat in the Pacific (4) islands rich in fuel minerals in the pacific

Last Answer : (2) a volcanic belt around the Pacific Explanation: The Pacific Ring of Fire is an area where a large number of earthquakes and volcanic eruptions occur in the basin of the Pacific Ocean. It has ... of the world's earthquakes and 81% of the world's largest earthquakes occur along the Ring of Fire.

The 'Pacific ring of fire ' is associated with : (1) oil well fires (2) thermal power station (3) volcanoes and earthquakes (4) forest fires

Description : The 'Pacific ring of fire ' is associated with : (1) oil well fires (2) thermal power station (3) volcanoes and earthquakes (4) forest fires

Last Answer : (3) volcanoes and earthquakes Explanation: Pacific ring of fire is an area where a large number of earthquakes and voicanic eruptions occur in the basin of the Pacific ocean.

The 'Pacific Ring of Fire' is associated with – (1) oil well fires (2) thermal power station (3) volcanoes and earthquakes (4) forest fires

Description : The 'Pacific Ring of Fire' is associated with – (1) oil well fires (2) thermal power station (3) volcanoes and earthquakes (4) forest fires

Last Answer : (3) volcanoes and earthquakes Explanation: The Pacific Ring of Fire is an area where a large number of earthquakes and volcanic eruptions occur in the basin of the Pacific Ocean. In a 40,000 km ... of the world's earthquakes and 81% of the world's largest earthquakes occur along the Ring of Fire.

The pacific Ring of Fire is (1) an area of constant forest fires in the Pacific islands (2) a volcanic belt around the Pacific (3) an area of intense heat in the Pacific (4) islands rich in fuel minerals in the pacific

Description : The pacific Ring of Fire is (1) an area of constant forest fires in the Pacific islands (2) a volcanic belt around the Pacific (3) an area of intense heat in the Pacific (4) islands rich in fuel minerals in the pacific

Last Answer : a volcanic belt around the Pacific

The ‘Pacific Ring of Fire’ is associated with (1) oil well fires (2) thermal power station (3) volcanoes and earthquakes (4) forest fires

Description : The ‘Pacific Ring of Fire’ is associated with (1) oil well fires (2) thermal power station (3) volcanoes and earthquakes (4) forest fires

Last Answer : volcanoes and earthquakes

Presence of non-biodegradable substances, like alkyl benzene sulphonate (ABS) from the detergents in polluted water stream causes (A) Fire hazards (B) Explosion hazards (C) Persistent foam (D) Depletion of dissolved oxygen

Description : Presence of non-biodegradable substances, like alkyl benzene sulphonate (ABS) from the detergents in polluted water stream causes (A) Fire hazards (B) Explosion hazards (C) Persistent foam (D) Depletion of dissolved oxygen

Last Answer : (C) Persistent foam

Large scale fire on fuel gas line is normally extinguished by (A) Water (B) Steam (C) Foam (D) Nitrogen

Description : Large scale fire on fuel gas line is normally extinguished by (A) Water (B) Steam (C) Foam (D) Nitrogen

Last Answer : (D) Nitrogen

Fire in fuel gas pipelines is extinguished most effectively by (A) Spraying water (B) Blanketting the area with nitrogen atmosphere (C) Fire fighting foam (D) None of these

Description : Fire in fuel gas pipelines is extinguished most effectively by (A) Spraying water (B) Blanketting the area with nitrogen atmosphere (C) Fire fighting foam (D) None of these

Last Answer : Option B

Which type of fire extinguisher is used for petroleum fire? (1) Foam type (2) Soda acid type (3) Powder type (4) None of these

Description : Which type of fire extinguisher is used for petroleum fire? (1) Foam type (2) Soda acid type (3) Powder type (4) None of these

Last Answer : (1) Foam type Explanation: Foam type fire extinguishers are suitable for fires that involve flammable or combustible liquids, including petrol, grease, and oil. They are applied to fuel fires as ... seal over the fuel, preventing oxygen reaching it. Powder types are useful for combustible metals.

Which type of fire extinguisher is used for petroleum fire? (1) Foam type (2) Soda acid type (3) Powder type (4) None of these

Description : Which type of fire extinguisher is used for petroleum fire? (1) Foam type (2) Soda acid type (3) Powder type (4) None of these

Last Answer : (3) Powder type

How foam is used in a fire?

Description : How foam is used in a fire?  

Last Answer : Foam is used as a blanketing effect in a fire.  

Which type of fire extinguisher is used for petroleum fire ? (1) Foam type (2) Soda acid type (3) Powder type (4) None of these

Description : Which type of fire extinguisher is used for petroleum fire ? (1) Foam type (2) Soda acid type (3) Powder type (4) None of these

Last Answer : Foam type

Circuit breakers are essentially (a) current carrying contacts called electrodes (b) arc extinguishers (c) circuits to break the system (d) transformers to isolate the two systems (e) any of the above

Description : Circuit breakers are essentially (a) current carrying contacts called electrodes (b) arc extinguishers (c) circuits to break the system (d) transformers to isolate the two systems (e) any of the above

Last Answer : (a) current carrying contacts called electrodes

Why would a Lexan mug be unsuitable for microwave use?

Description : Why would a Lexan mug be unsuitable for microwave use?

Last Answer : Lexan is generally safe to use in a microwave but the FDA requires serious testing to prove that before the manufacturer is allowed to leave the Do Not Microwave off the bottom. So its often marked as not safe for microwaving just to save money.

At what size is a zucchini unsuitable for zucchini bread?

Description : At what size is a zucchini unsuitable for zucchini bread?

Last Answer : Those kinds of zucchini are meant for zucchini bread! They won’t taste good if you cook them, but they’ll make enough bread to start a bakery. That’s really the only good use of huge squashes. Yay! You can send loaves to your friends on ask-public!

Why is Laterite Soil unsuitable for cultivation? -SST 10th

Description : Why is Laterite Soil unsuitable for cultivation? -SST 10th

Last Answer : (i) Laterites are intensively leached Soils of the monsoon climate. They lack in elements of fertility and thus are normally of low value for crop production. Laterite Soil is found in India ... areas which experience high temperature and heavy rainfall. They are formed by the process of leaching.

Who is the author of the book An unsuitable boy ? -General Knowledge

Description : Who is the author of the book An unsuitable boy ? -General Knowledge

Last Answer : Karan johar

Which language genre is unsuitable for drama dialogue ?

Description : Which language genre is unsuitable for drama dialogue ?

Last Answer : The saintly style of language is unsuitable for drama dialogue.

Why two or more other physical features of India where unsuitable for settlement?

Description : Why two or more other physical features of India where unsuitable for settlement?

Last Answer : Need answer

The polar regions are sparsely populated because of - (1) lack of minerals (2) unsuitable climatic conditions (3) infertile land (4) mountainous topography

Description : The polar regions are sparsely populated because of - (1) lack of minerals (2) unsuitable climatic conditions (3) infertile land (4) mountainous topography

Last Answer : (2) unsuitable climatic conditions Explanation: The population density is low in polar regions because the climate is too cold and harsh for people to survive there. The polar regions such as the ... or no vegetation to support the resident population. Most of the polar regions are cold deserts.

Which of the following gases has very high neutron capture cross￾section, making it unsuitable as a coolant in nuclear reactor? (A) N2 (B) He (C) CO2 (D) H2

Description : Which of the following gases has very high neutron capture cross￾section, making it unsuitable as a coolant in nuclear reactor? (A) N2 (B) He (C) CO2 (D) H2

Last Answer : (A) N2

Which of the following may prove unsuitable for filtering volatile liquids? (A) Pressure filter (B) Gravity filter (C) Centrifugal filter (D) Vacuum filter

Description : Which of the following may prove unsuitable for filtering volatile liquids? (A) Pressure filter (B) Gravity filter (C) Centrifugal filter (D) Vacuum filter

Last Answer : (D) Vacuum filter

Which of the following materials may prove unsuitable for handling acetic acid (glacial & anhydrous) at 40°C? (A) Silicone rubber, teflon, porcelain and wood (B) Nickel, monel, stainless steel and graphite (C) Aluminium, copper, high silicon iron (D) Brass, cast iron, mild steel and tin

Description : Which of the following materials may prove unsuitable for handling acetic acid (glacial & anhydrous) at 40°C? (A) Silicone rubber, teflon, porcelain and wood (B) Nickel, monel, stainless steel and graphite (C) Aluminium, copper, high silicon iron (D) Brass, cast iron, mild steel and tin

Last Answer : (D) Brass, cast iron, mild steel and tin

Which of the following isn’t the property of a taper roller bearing? (a) High rigidity (b) Easy dismantling (c) Take low radial and heavy loads (d) It is unsuitable for high speed applications

Description : Which of the following isn’t the property of a taper roller bearing? (a) High rigidity (b) Easy dismantling (c) Take low radial and heavy loads (d) It is unsuitable for high speed applications

Last Answer : (c) Take low radial and heavy loads

A knuckle joint is unsuitable for two rotating shafts, which transmit torque a) True b) False

Description : A knuckle joint is unsuitable for two rotating shafts, which transmit torque a) True b) False

Last Answer : a) True

Cu ions released from copper-releasing intra uterine devices (IUDs) (a) make uterus unsuitable for implantation (b) increase phagocytosis of sperms (c) suppress sperm motility (d) prevent ovulation.

Description : Cu ions released from copper-releasing intra uterine devices (IUDs) (a) make uterus unsuitable for implantation (b) increase phagocytosis of sperms (c) suppress sperm motility (d) prevent ovulation.

Last Answer : suppress sperm motility

The function of copper ions in copper releasing IUDs is (a) they inhibit gametogenesis (b) they make uterus unsuitable for implantation (c) they inhibit ovulation (d) they suppress sperm motility and fertilising capacity of sperms.

Description : The function of copper ions in copper releasing IUDs is (a) they inhibit gametogenesis (b) they make uterus unsuitable for implantation (c) they inhibit ovulation (d) they suppress sperm motility and fertilising capacity of sperms.

Last Answer : (d) they suppress sperm motility and fertilising capacity of sperms.

Which of the following will be unsuitable for dust cleaning from flue gas at 400°C from a pulverised coal fired boiler? (A) Multicyclones (B) Bag filter (C) Wet scrubber (D) Hydrocyclones

Description : Which of the following will be unsuitable for dust cleaning from flue gas at 400°C from a pulverised coal fired boiler? (A) Multicyclones (B) Bag filter (C) Wet scrubber (D) Hydrocyclones

Last Answer : (B) Bag filter

Which of the following is unsuitable fuel for producer gas manufacture? (A) Coke (B) Anthracite (C) Coal having low fusion point of its ash (D) Coal having high fusion point of its ash

Description : Which of the following is unsuitable fuel for producer gas manufacture? (A) Coke (B) Anthracite (C) Coal having low fusion point of its ash (D) Coal having high fusion point of its ash

Last Answer : (C) Coal having low fusion point of its ash