Which of the following are the important limitations of rod
gap surge arresters?
1. They are not capable of selling off power frequency
follow up current.
2. After a discharge, the rods are destroyed completely.
3. Performance is affected by climatic conditions.
Use the following codes for selecting the correct answer.
Codes:
(a)1, 2 and 3 (b)1 and 2
(c)2 and 3 (d)1 and 3
What is the accepted limit to increase the choosen transformer capacity over the load and why ?
The Q-facr o of a coil given as wL/R. what will be shape of Q versus frequency graph.
we are going to install a solar PV site and how can we calculate PV Solar Panel Efficiency, can anybody tell me complete method for its calculation.
Current Capacity of 55sqmm & 80sqmm conductor
Why does the speed regulating system adopting I controller have no steady-state error? In this single closed-loop speed regulating system, when the input of the I controller Un=0, what is the output voltage of the regulator? What factors do the output voltage depend on?
The undesirable property of an electrical insulating material is
What are the advantages and disadvantages of the ac motors?
what is the difference between equipment earth and system earth.
A 230 v dc series motor is connected to 230 V ac supply, then
In an ideal transformer no load primary current I0 A lags behind V1 by 90 degree B is in the phase with V1 C leads V1 by 90 degree D lags V1 by 45 degree
10 hp motor ,7.5 kw ,960 rpm, full load current 15.5, delta connection so how much take current no load trial time. any formula please give..... second question :- what is different between brekar control wiring and motor starter control wiring
how the transformer stables out zone faults? Because we use non directional O/C relays .Is there any special considerations are taking into account to overtake this?
Civil Engineering (5086)
Mechanical Engineering (4456)
Electrical Engineering (16639)
Electronics Communications (3918)
Chemical Engineering (1095)
Aeronautical Engineering (239)
Bio Engineering (96)
Metallurgy (361)
Industrial Engineering (259)
Instrumentation (3014)
Automobile Engineering (332)
Mechatronics Engineering (97)
Marine Engineering (124)
Power Plant Engineering (172)
Textile Engineering (575)
Production Engineering (25)
Satellite Systems Engineering (106)
Engineering AllOther (1379)