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how we calculate the motor rating of pump for water suction ?its any formula for that plz give thank u
3 8402State uses of different types of stsrters with different capacities of motors as below: a. up to 5HP b. above 5hp to 10hp c. above 10hp to 20hp d. above 20hp
2088What is power factor? How to improve Power factor? draw a circuit diagram showing the connection of power factor improvement equipment to the electrical instillation.
1 3071A 7 storey building has a floor area of 35,000sq.ft on each storey. On the ground floor 11KV electrical sub-station is to be erected. A load of 3kw for every 400sq.ft (p.f is 0.8) is proposed for each floor. fire pump 7.5hp, water pump 5hp, lift 2 nos, each 10hp and 20shop load of each shop is 5kw. calculate a. load each floor b. total load of building c. L.T feeders for aech floor and from transformer to main. d. distribution diagram e. capacity of sub-station/capacitor bank f. line diagram
2820-What shall be short circuit current of LV switchgear for a 1000 kva, 11.415kv, 3 phase tranformer with 5% reactance.
2136-How do you select cable size for a given load at a given distance from source of supply. How do you find voltage drop.
1803-What should be minimum value of insulation resistance and maximum value of earth resistance at any electrical instillation and what is method of testing the same.
2104Post New Electrical Engineering Questions
one split ac how can told of this ac which Tr tell me us
What is reverse power relay?
Why induction motor is widely used in industry
why d.c produces corrosion
one electromagnet is called
1.Can we use 6.6/11KV 300sq mm xlpe 3core cable for LT use (415 Volt). 2. If we use it for LT then what is the current rating
Is there possible to Test Transformer for Overfluxing Capability. Or is there any firm who does Overfluxing Test on Transformer?
why impedance relay is used for medium transmission line protection
Starting Time of LT & HT Motor
why 1.7Uo for HV cable Hi pot test?IE standard why?
which book to refer in electrical engineering for iocl exam & which book for general english.
what is the reactance,capacitance & impedence electrical armoured & unarmored Cables.
can indirect loading be called as phantom loading?
If more than rated DC voltage appears across trip coil of the breaker, what will happen? e.g. in 110V DC circuit system, if voltage across battery terminal showing 121 V
What is relation between mu(nought) and epsilon(nought)?
