Description : Water cannot be used to extinguish fire caused by electric current, because – (1) it may cause electrocution (2) it may cause hydrolysis (3) it may cause electrolysis (4) it may spoil the wiring
Last Answer : (1) it may cause electrocution Explanation: Using water for putting out electric fires is risky, as the firemen can be electrocuted by the water jet. Water is a good conductor of ... jet directly into the hands of the person who is holding the waterhose, resulting in immediate electrocution
Description : (4) water and petrol are immiscible with each other and petrol which forms the upper layer continues to burn Explanation: Water is not effective in extinguishing a fire caused by petrol because water and ... . Water cannot generally be used to extinguish a gasoline fire, unless used in a fine mist.
Last Answer : "All the four quantum numbers of two electrons in an atom are not the same." It is the law of (1) Hund’s (2) Exclusion Principle of Pauli (3) Uncertainty Principle of Giesenberg (4) Avogadro’s law
Description : Water should not be used to extinguish fire caused by Electricity, because –
Last Answer : It may cause electrocution
Description : An aqueous solution of CuSO4 is acidic in nature because the salt undergoes (a) dialysis (b) hydrolysis (c) electrolysis (d) photolysis
Last Answer : Ans:(b)
Description : What should be used to extinguish a computer fire?
Last Answer : CO2 in vapor form, or Halon if you can find it. Read the directions, both can kill in confined spaces.
Description : Which is the gas used to extinguish fire? -Do You Know?
Last Answer : Carbon dioxide extinguishes work by displacing oxygen, or taking away the oxygen element of the fire triangle. The carbon dioxide is also very cold as it comes out of the extinguisher, so it cools the fuel as well.
Description : In regard to RACE is it more important to try to extinguish a fire than it is to warn people?
Last Answer : RACE stands for RescueAlertConfineEvacuate/ExtinguishSo the first things you do are rescue people and alert them to the fire.
Description : How do you extinguish a class A fire?
Last Answer : Feel Free to Answer
Description : The gas used to extinguish fire is – (1) Neon (2) Nitrogen (3) Carbon dioxide (4) Carbon monoxide
Last Answer : (3) Carbon dioxide Explanation: Fires require these 3 things: a fuel (a hydrocarbon, which is a compound containing only carbon and hydrogen), a source of oxygen, and heal. Carbon Dioxide is most commonly used to extinguish fire as it displaces wwgen, thus choking the very source of a fire.
Description : Which is the gas used to extinguish fire?
Last Answer : Carbon dioxide
Description : The gas used to extinguish fire is (1) Neon (2) Nitrogen (3) Carbon dioxide (4) Carbon monoxide
Last Answer : Carbon monoxide
Description : _______ is the process in which acids and bases react to form salts and water. (1) Neutralization (2) Electrolysis (3) Distillation (4) Hydrolysis
Last Answer : (1) Neutralization Explanation: Neutralization is a process when acids and bases react to form salt and water.
Description : H.A. Robert’s concept of “DEFLECTED CURRENT" Signifies Options: 1) Electrocution 2) Magnetism 3) Obstacle to Cure 4) Galvanism
Last Answer : 3) Obstacle to Cure
Description : When a console indicating lamp burns out, attempts to renew it should not be made while maneuvering because _______________. A. the new lamp may be of a higher wattage and cause heat damage to the lens ... D. a socket/wiring fault may cause a ground or short circuit to shut down a vital function
Last Answer : Answer: D
Description : Define the following : Electrochemistry , Electrolyte , Non-Electrolyte , Electrolytic Cell , Galvanic or Voltaic cell , Electrolysis , Hydrolysis & electroplating.
Last Answer : Ans : (a) Electrochemistry : Electrochemistry is the branch of chemistry which deals with such chemical reactions involving the inter-conversion of electrical energy and chemical energy. Example : Batteries , ... should be a solution of the coating metal, such as its metal nitrate or sulfate.
Description : In the illustration, the purpose of part B is to _________. EL-0033 A. increase resistance in series with the contacts as they close to prevent arcing B. create a magnetic field in the steel ... event of an overload D. provide ventilation to the contact when the breaker is close to rated capacity
Last Answer : Answer: B
Description : An electrical connection between the wiring of an electric motor and its metal frame is known as a/an _____________. A. eddy current B. ground C. impedance D. flux leakage
Description : A galvanometer is an instrument used to measure ___________. A. thickness of galvanized metal B. resistance of electrical wiring insulation C. very small amounts of current or voltage D. quantity of galvans in an electric circuit
Last Answer : Answer: C
Description : What exactly is electrocution?
Last Answer : Welcome to Fluther! Electrocution is defined as death caused by an electric shock. Since you are still alive, you were not electrocuted, but would have suffered from an electric shock.
Description : When should you suspect head neck or back injury Fall from height Car or motorcycle accident Electrocution All of the above?
Description : At FOBs in electrified section the electrocution by live OHE wires is prevented by providing a) smoke gaurds b) Roofing c) Bottom lateral bracings d) protective screens*
Last Answer : d) protective screens*
Description : To protect wiring from excessive passing of current is A. voltmeter B. fuse C. galvanometer D. resistanc
Last Answer : fuse
Description : What is the best method a fire investigator can use to verify that electrical wiring in a fire building is safe to examine?
Description : Pick up the correct statement from the following: (A) Borrow pits are located outside the right of way (B) Borrow pits may be located on either side of the right of way (C) Spoil bank is located on one side of the right of way (D) All the above
Last Answer : Answer: Option D
Description : When current flows through heater coil it glows but supply wiring does not glow because?
Last Answer : When current flows through heater coil it glows but supply wiring does not glow because resistance of heater coil is more than the supply wires.
Description : Vegetable are spoil because they contain rich amount of
Last Answer : Water
Description : Which of the listed devices may be installed on a large diesel-electric alternating current propulsion generator? A. Temperature detector coils inserted in the stator slots for measuring stator temperature. B. ... . C. Electric space heaters to prevent condensation of moisture. D. All of the above.
Description : Which of the listed devices may be installed on a large turbo-electric alternating current propulsion generator? A. Temperature detector coils inserted in the stator slots for measuring stator temperature. B. A ... . C. Electric space heaters to prevent condensation of moisture. D. All of the above.
Description : The temperature of boiling water in a steam engine may be high because : (1) there are dissolved substances in water (2) there is low pressure inside the boiler (3) there is high pressure inside the boiler (4) the fire is at very high temperature
Last Answer : there is high pressure inside the boiler
Description : The metal which cannot be obtained by electrolysis of aqueous solution of its salts is
Last Answer : The metal which cannot be obtained by electrolysis of aqueous solution of its salts is A. Ag B. Mg C. Cu D. Al
Description : Give reason: A.C cannot be used for electrolysis.
Last Answer : In electrolysis the ionisation of the electrolyte takes place where the positive and negative charges move towards opposite electrodes. But if we pass an alternating current the polarity ... electrode resulting in no ionisation. Hence electrolysis cannot take place with alternating current.
Description : Does anyone have a wiring diagram for a Hyster electric forklift model E65XM2-40 Thanks, Ken.?
Last Answer : You can request a wiring diagram from Hyster Company. Just visit their website at http://hyster.com/americas/en-US and click on Contact Us at the bottom of the page.
Description : Name safety devices used in electric wiring.
Last Answer : i) Spirit Level:- * It is used to check the level. * It is a common instrument to test or adjust horizontal surface. ii) Growler:- * It is a equipment used for finding shorted turns of ... main or supply verification (xii) Wire Stripper: To cut the wire & remove the insulation of the wire.
Description : Periodic testing by a shoreside support technician using a special camera which can detect potentially dangerous loose or corroded bus bar and controller connections is termed ______________. A. heat sensitive thermography B. visual pyrotronics C. corrosion electrolysis D. electric vibroanalysis
Last Answer : Answer: A
Description : Fluther cat whisperers can you help me extinguish this behavior?
Last Answer : Bring her to someone’s room when you go to sleep… Eliminate the whole “Looking” aspect of it and if she knows where you are, she wont have to mew for you…
Description : Whether you choose or whether you don't, I leap from the peak to the hope of a bond. Attempts to extinguish my work's divine, Only hardens the grip-holds in time. What am I? -Riddles
Last Answer : Love.
Description : You have eight burning candles, three of which you extinguish. How many candles are left?
Last Answer : I think I have 8 candles left ... :)
Description : How do use the word extinguish in a sentence?
Last Answer : Please extinguish your cigarette.
Description : What does the author mean when he states that imperialism seeks to extinguish the spirit of 1776?
Last Answer : Your teacher is asking for a written answer to this statement.We don’t write items for students and your teacher is looking foryour critical thinking skills and how well you understood thelesson.
Description : Extinguish With Vinegar?
Last Answer : GERD sufferers can find a likely ally in the fight for comfort from vinegar. By adding vinegar based dressings to salads or vegetables, acids that rise from the stomach can become neutralized ... helps when inadequate amounts of acid are present, which can also cause uncomfortable chest discomfort.
Description : When did Bahmani Kingdom in South India extinguish?
Last Answer : In beginning of 16th century
Description : The contacts of high voltage switches used in power system are submerged in oil. The main purpose of the oil is to (a) lubricate the contacts (b) insulate the contacts from switch body (c) extinguish the arc (d) all of the above (e) none of the above
Last Answer : (c) extinguish the arc
Description : In a circuit breaker the basic problem is to (a) maintain the arc (b) extinguish the arc (c) transmit large power (d) emit the ionizing electrons
Last Answer : (c) transmit large power
Description : Ethyl alcohol cannot be produced (A) From waste sulphite substrate of paper mills (B) By Esterification and hydrolysis of ethylene (C) From molasses (D) None of these
Last Answer : (D) None of these
Description : What is Faraday's first law of electrolysis ?
Last Answer : First formula: In the process of electrolysis, the amount of material deposited on the electrode is proportional to the amount of electricity flowing through the solution or electrolyte.
Description : One should not connect a number of electrical appliances to the same power socket because 1. this can damage the appliances 2. this can damage the domestic wiring due to overheating 3. the appliances will not get full voltage Which ... valid reasons? (a) 2 and 3 (b) 2 only (c) 1 and 2 (d) 3 only
Description : A current-carrying conductor making electrical contact with a wiring conduit will be indicated by a _____________. A. high switchboard wattmeter reading B. totally dark switchboard ground detecting light C. low switchboard wattmeter reading D. all of the above
Description : For the illustrated wiring of a three phase alternator, which statement is true about the current? EL-0074 A. phase current is 1.73 times the line current B. line current is 1.73 times the ... . there is no relationship between phase current and line current D. line current is equal to phase current
Description : A current-carrying conductor makes accidental contact with a wiring conduit. This will be indicated by a _____________. A. low switchboard wattmeter reading B. high switchboard wattmeter reading C. darkened switchboard ground detecting lamp D. darkened switchboard synchronizing lamps
Description : A current carrying conductor making an electrical contact with a wiring metal conduit is indicated by a _____________. A. low switchboard wattmeter reading B. reading of 1.0 on the power factor meter C. high switchboard voltmeter reading D. totally darkened switchboard ground-detecting light