The iron alloy, ALNICO is mainly used to make Permanent magnets
Description : Select insulating materials for following parts : (i) Insulation between heating element and base plate of electric iron. (ii) Insulation used over copper or aluminium conductor used for making coils. (iii) Transformer bushings. (iv) Insulation between transmission line and pole.
Last Answer : Parts Insulating Materials Insulation between heating element and base plate of electric iron. Mica Insulation used over copper or aluminium conductor used for making coils. ... Transformer bushings Porcelain Insulation between transmission line and pole. Porcelain
Description : An unshielded moving iron voltmeter is used to measure the voltage in an AC circuit. The stray DC magnetic field having a component along the axis will be (1) unaffected (2) decreased (3) increased (4) either decreased or increased depending on the direction of the DC field
Last Answer : An unshielded moving iron voltmeter is used to measure the voltage in an AC circuit. The stray DC magnetic field having a component along the axis will be either decreased or increased depending on the direction of the DC field
Description : Eddy current damping cannot be used for moving iron instrument because
Last Answer : Eddy current damping cannot be used for moving iron instrument because the presence of a permanent magnet required for such purpose would affect the deflection and hence the reading of the instrument
Description : Nichrome wire is an alloy of?
Last Answer : Nichrome wire is an alloy of nickel and chromium.
Last Answer : In a D.C. generator, the iron losses mainly take place in armature rotor.
Description : Which is the best conductor: silver, carbon, or iron?
Last Answer : Silver is the best conductor. Carbon is the semiconductor. Iron have less conductance as compared to silver.
Description : At full -load of a transformer, the iron loss and copper loss are 3000 W and 4000 W respectively. Then total loss at maximum efficiency is : (A) 7000 W (B) 6000 W (C) 8000 W (D) 4000 W
Last Answer : At full -load of a transformer, the iron loss and copper loss are 3000 W and 4000 W respectively. Then total loss at maximum efficiency is : 6000 W
Description : A ferrite core has less eddy current loss than an iron core because?
Last Answer : A ferrite core has less eddy current loss than an iron core because ferrites have high hysteresis.
Description : In AC. circuits, laminated iron is invariably used in order to?
Last Answer : In AC. circuits, laminated iron is invariably used in order to reduce eddy current loss.
Description : Do you iron your clothes?
Last Answer : Lika hail no!
Description : Which Foods are Good Sources of Iron?
Last Answer : Google, Google and Google some more. I did this for iron rich foods just 2 days ago and there is a plethora of great information. Also, do what your Dr. told you, but I do find that slow release iron supplements (like slow-fe) are far easier on your system.
Description : How to Clean Wrought Iron
Last Answer : How to Clean Wrought Iron Items made from wrought iron can look beautiful, grand and elegant, but it only takes a few years for them to make your house looking like a haunted house more than an elegant ... of time. Chances are, you will just have to paint over the stains to cover them up completely.
Description : How to Iron Jeans ?
Last Answer : How to Iron Jeans There's nothing like a pair of thoroughly wrinkled jeans to make one look unkempt and unhygienic. Learn how to iron your jeans properly, which will only make you look good, but it will ... can last for a week. You can also opt to iron your jeans once a week, after laundering.
Description : How to Increase Iron in Your Diet ?
Last Answer : How to Increase Iron in Your Diet Iron is essential for the production of hemoglobin and myoglobin. These are important proteins needed in transporting oxygen throughout the body. Iron also improves ... iron sources in your diet to prevent acquiring diseases associated with low levels of iron.
Description : How to Iron a Shirt ?
Last Answer : How to Iron a Shirt If you want to learn how to iron your own clothes, shirts are a good starting point. Shirts are typically the easiest to iron, and can be done perfectly in a short time. Here' ... fabric and beads should have a towel on top for an indirect contact, with the iron on a low setting.
Description : How to Clean a Steam Iron ?
Last Answer : How to Clean a Steam Iron Ironing clothes with a steam iron is a relatively easy task, but if the appliance is not properly maintained, it will cause more harm than good. Steam irons become clogged ... ironing will not be a tedious task. Remember these steps and keep your steam iron in tiptop shape.
Description : What to look for when choosing an iron?
Last Answer : What to look for when choosing an iron? Today, the purchase of an iron is not a big problem. This piece of household appliances is presented in a wide range of stores. Each manufacturer tries to ... its presence increases the cost of the iron by an average of 10%. Good luck with your choice!
Description : In DC motor iron losses are occurred in?
Last Answer : In DC motor iron losses are occurred in the armature.
Last Answer : A moving iron instrument can be used for both D.C. and A.C.
Last Answer : Iron losses in a D.C. machine are independent of variations in load.
Description : In an actual transformer the iron loss remains practically constant from no load to full load because?
Last Answer : In an actual transformer the iron loss remains practically constant from no load to full load because core flux remains practically constant.
Last Answer : If the supply frequency to the transformer is increased, the iron loss will increase.
Last Answer : Iron loss of a transformer can be measured by low power factor wattmeter.
Description : When secondary of a current transformer is open-circuited its iron core will be?
Last Answer : When secondary of a current transformer is open-circuited its iron core will be hot because of heavy iron losses taking place in it due to high flux density.
Description : What three elements besides iron make up the alloy alnico, used for making magnets?
Last Answer : ANSWER: WLUMINUM, NICKEL, AND COBALT
Description : Light triggering is mainly used in
Last Answer : Light triggering is mainly used in High voltage direct current transmission
Description : The alloy of aluminium used for making magnet is-----? A. Duralumin B. Y-Alloy C. Alnico (Answer) D. Aluminium bronze
Last Answer : C. Alnico (Answer)
Description : __________ is the trade name assigned to a non-ferrous cast alloy composed of cobalt, chromium & tungsten. (A) Stellite (B) High speed steel (C) Cermet (D) Alnico
Last Answer : Option A
Description : State the insulating materials used in motor. Write temperature class and withstand temperature ranges for them.
Last Answer : The insulating materials used in motor are as belows: 1. Cotton, 2. Silk, or paper, 3. Press board, 4. Resins 5. PVC 6. Cellulose-Fiber, 7. Enameled coating, etc ... Over 180° Mica, porcelain, ceramics, glass quartz, asbestos, treated glass fiber or treated asbestos. etc.
Description : State the material used for making (1) Magnetic Core (2) Fuse element
Last Answer : The material used for making of: (1) Magnetic Core : Iron, cobalt, Nickel, CRGO, HRGO , silicon steel (2) Fuse Element: Tin- lead wire, Tinned copper wire
Description : State different types of holders used in wiring installation.
Last Answer : Following types of holders used in wiring installation: 1. Pendent Holder 2. Batten Holder 3. Angle holder 4. Screwed holder
Description : State properties of conductor material used for overhead conductor.
Last Answer : Following are the properties of conductor material:- 1. High conductivity :- Material should have high conductivity 2. High mechanical strength:- Material should have sufficiently high mechanical strength ... available & less costly. 9. Scrap Value: - Material should have high scrap value.
Description : Give the classification of the errors used in measuring instrument & state the reason for their occurrence.
Last Answer : Types of errors in measuring instruments: A) Gross error: These are due to mistakes on the part of person using the instrument. B) Systematic Error: i) Instrumental Error: These ... multiplying factor. C) Random error: These persist even after gross and systematic errors are removed.
Description : Name the material used for :- (i) Moving coil (ii) Permanent magnet in PMMC instrument.
Last Answer : (i) Material used for Moving coil: Copper, Aluminum( some times) (ii) Permanent magnets are made of special alloys such as : Aluminum-Nickel-Cobalt (Alnicos) Strontium-Iron Neodymium-Iron-Boron Samarium-Cobalt.
Description : State the use of shunt and series resistance used in extension of meter.
Last Answer : Use of shunt and series resistance: i) Use of shunt: To extend the range of Ammeter. ii) Use of series resistance: To extend the range of Voltmeter.
Description : State the material used for moving coil and former for PMMC instruments.
Last Answer : Material Used for Moving Coil and Former for PMMC Instruments: Material used for moving coil: Copper Material used for Former: Aluminium
Description : Why common emitter configuration is commonly used?
Last Answer : Common emitter configuration is commonly used for amplifications because 1. The common emitter configuration (CE) provides maximum voltage and current gain and hence provides maximum power gain. The ... automatic impedance matching maximum power transfer will take place from one stage to other.
Description : Wave trap is used to trap waves of: (A) Power frequencies (B) Higher frequencies entering generator or transformer units (C) All of the above (D) None of the above
Last Answer : Wave trap is used to trap waves of: Higher frequencies entering generator or transformer units
Description : As per Electricity Act, ____________means any line which is used for carrying electricity for any purpose. (A) Electric line (B) Transmission line (C) All of the above (D) None of the above
Last Answer : As per Electricity Act, Electric line means any line which is used for carrying electricity for any purpose.
Description : The self GMD method is used to evaluate
Last Answer : The self GMD method is used to evaluate inductance and capacitance
Description : Which of the following is used for thermoelectric cooling? A) Peltier effect B) Seebeck effect C) Both A and B D) None of these
Last Answer : Which of the following is used for thermoelectric cooling? A) Peltier effect B) Seebeck effect C) Both A and B D) None of these
Description : Which of the following elements are used as dopants in silicon or germanium semiconductors? A) Antimony B) Phosphorus C) Arsenic D) All the above
Last Answer : Which of the following elements are used as dopants in silicon or germanium semiconductors? A) Antimony B) Phosphorus C) Arsenic D) All the above
Last Answer : Turbine used for low head is Kaplan turbine.
Description : Silicon steel is used in electrical machines because it has?
Last Answer : Silicon steel is used in electrical machines because it has low hysteresis loss.
Description : Permanent magnet is normally made of- (a) Aluminum (b) Wrought iron (c) Cast iron (d) Alnico alloys
Last Answer : Ans: C
Description : Pick out the wrong statement. (A) A ferromagnetic material becomes paramagnetic above the 'Curie temperature' (B) Permanent magnets are made of hard materials, whereas electromagnets require soft ... hysterisis loss and coercive forces (D) Tungsten steel and alnico are not hard magnetic materials
Last Answer : Option D
Description : How much money should I ask for our used dryer?
Last Answer : I googled and it looked like people ask $400 to $600 for the washer dryer set, but I didn't click and see how old they are. So, I guess you could ask $200-$300 maybe? I really have no knowledge of ... eBay and Craig's list, and see if you can find some competition to get a rough idea for your area.
Description : Bull riding vest?
Last Answer : answer:They make bull riding vests? Wow, I learn so much here!!! Have you tried eBay?
Description : Used Bicycles
Last Answer : Most people are apprehensive and reluctant to buy hand-me-downs, especially when it comes to items with which their lives have to depend on - a prime example of which is a bicycle. Compared to other ... also give you an estimate of the repair costs. Most of the time, shops do inspections for free.
Description : Where are portable screw compressors used?
Last Answer : Where are portable screw compressors used? The use of a portable screw air compressor in road, construction, mining and installation works indicates that its area of practical use is ... with these important, but fairly simple requirements will significantly lengthen the life of your compressor.