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You Are On Multi Choice Question Bank SET 2705

135251. The capacity of a cell is measured in:





135252. In a 3 phase star connected balanced load,the current in the neutral wire is:





135253. In a 3 phase Delta connected circuit:





135254. The meter installed at your house to measure electrical energy is an example of:





135255. Dynamo meter type instruments are used to measure:





135256. The unit of commercial electrical energy is measured in:





135257. When the disc of an energy meter is rotating even without connecting any load,the error is called?





135258. An electrical circuit that has infinity resistance shown in megger is called a ---------





135259. For pipe earthing the minimum internal diameter of galvanized iron or steel pipe required is:





135260. The heat proof insulating material used for heater base is:





135261. The thermostat in an automatic electric iron will:





135262. What type of motor is used in a food mixer?





135263. If the voltage applied at the terminals of 230V single phase 1200 mm sweep ceiling fan is 120 V then the fan:





135264. The sweep of the ceiling fan is determined by:





135265. The potential difference that causes the break down of insulation is called:





135266. The possible minimum reading which can be taken by 25 mm out side micrometer is:





135267. Britannia joint is used in:





135268. Switch board is fixed at a height of:





135269. The load on each power sub circuit shall be restricted to:





135270. The number of light points admissible in a circuit is:





135271. A fuse rating is expressed in terms of:





135272. Fusing factor of HRC fuses will be:





135273. In which of the following wiring,to operate three lamps in all we require six,two way switches?





135274. ADC generator works on the principle of:





135275. In an 8 pole simplex wave winding armature,the number of parallel paths are:





135276. In a 250 V.C Machine,shunt field resistance is found to be 500 ohms.The shunt field current will be:





135277. The current in the armature of a Shunt generator can be determined by the formulae:





135278. Which one of the following generator is used for charging batteries with constant voltage?





135279. The direction frotation of a DC motor is determined by:





135280. The back e.m.f of a C Motor depends on:





135281. The main function of starter of the DC Motor is to:





135282. The speed of DC shunt motor has to be controlled through the field,the most suitable starter for this purpose is:





135283. The speed of a DC motor is:





135284. The running speed of a 3 phase squirrel cage induction motor is:





135285. For 3 HP,3 phase 415 V,50 Hz squirrel cage induction motor started through a O.L starter,the back up fuse rating will be:





135286. When remote ‘ON’and ‘OFF’ are used in a O.L starter,the remote ‘ON’button should be connected with the existing ‘ON’button in:





135287. When a 3 phase induction motor is switched to star position through a star delta starter:





135288. In a manual star delta starter,the stop button connection is in series with the:





135289. A High starting torque is obtained in a slip ring induction motor by using a:





135290. We can identify a wound rotor induction motor by seeing:





135291. A poly phase induction motor is usually:





135292. For ceiling fan generally which type of motor is used?





135293. The maximum efficiency of transformer is obtained when:





135294. Buchhol’s relay is a device related with:





135295. Auto transformer works on the principle of:




135296. Which one of the following,is the e.m.f equation of transformer?





135297. The main source of hydro electric power station is:





135298. Which insulator is used on dead ends of medium voltage line?





135299. Which type of guarding is provided on a railway line crossing?





135300. In a transmission line which type of insulators are used:





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