Answer Posted / krishna prasad
electric traction means creating an adhesive force between the rail cars by generating the DC voltage from the source apart,by conducting it to a locomotive through rails and overhead lines,used for locomotion
Is This Answer Correct ? | 3 Yes | 1 No |
Post New Answer View All Answers
What is the difference between shortcircuit current, rated current of cable & MCB with example? What will be the size of cable required for 5.5 KW motor (Full load current 10 Amps approx.), Starting current with DOL is 120 Amps. Aprrox. Short circuit current with LLLG fault is 2000 Amps Approx.
What are the site acceptance tests for power cables, DG Sets, LT panels & 30kVA UPS ?
i need previous entrence exam papers of nhpc.
In hydel power plants, L.A's, S.C's are placed inside the control panel boards. what is the purpose? [already the total body was earthed to ground.]
A cable with concentric PE conductor must be used with frequency converter circuits what does its means.?
Can we use shunt trip coil instead of trip coil with protection relay for protection?
draw vector diagram and +ve,zero sequence diagram of symmetrical three phase fault.
why we used dc supply for field in dg set
how to find the multiplication factor for digital energy meter and analog energy meter
What is the difference between solid grounding and impedance grounding?
what is the use of commutator in dc motor if we supply ac ? commutator is used to convert ac to dc.and it is used to arrange the flux in unidirectional in case of dc supply. if we give ac as supply to dc motor what is the use of commutator?
what are the differences between 'exhaust fan', 'heavy-duty exhaust fan' & 'super heavy duty exhaust fan'. what are their power ratings ?
I Have 3 Phase 10 KW AC Alternator i found one phase weak, so what will be the reason & what action shouls i take to rectify the same.
How equivalent impedance is calculated in thevenin theorem?
how many electricity poles are there and what are the names and their sizes.