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Power factor of Direct arc furnaces is_____
AnsweredRajasri Mundrathi asked 4 years ago • Basic Electrical
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Ajax Wyatt furnace is started when
AnsweredRajasri Mundrathi asked 4 years ago • Basic Electrical
462 views1 answers0 votes
In the indirect resistance heating method, max heat-transfer done by
AnsweredRajasri Mundrathi asked 4 years ago • Basic Electrical
317 views1 answers0 votes
The control of temperature is done In a domestic cake baking oven using
AnsweredRajasri Mundrathi asked 4 years ago • Basic Electrical
388 views1 answers0 votes
In a resistance furnace the atmosphere is
AnsweredRajasri Mundrathi asked 4 years ago • Basic Electrical
280 views1 answers0 votes
Which of the following is/are an advantage of electrical heating?
AnsweredRajasri Mundrathi asked 4 years ago • Basic Electrical
277 views1 answers0 votes
Which of the following method/s is used for control the temperature in resistance furnaces?
AnsweredRajasri Mundrathi asked 4 years ago • Basic Electrical
319 views1 answers0 votes
high resistivity material is chosen For heating element is to
AnsweredRajasri Mundrathi asked 4 years ago • Basic Electrical
313 views1 answers0 votes
In induction heating ____ is abnormally high
AnsweredRajasri Mundrathi asked 4 years ago • Basic Electrical
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“Body reflects entire radiation on it” is called___
AnsweredRajasri Mundrathi asked 4 years ago • Basic Electrical
352 views1 answers0 votes
____ material has the gretest value of thermal conductivity
AnsweredRajasri Mundrathi asked 4 years ago • Basic Electrical
302 views1 answers0 votes
Function of choke In arc furnace the is
AnsweredRajasri Mundrathi asked 4 years ago • Basic Electrical
410 views1 answers0 votes
For intermittent work select the following furnaces which is suitable
AnsweredRajasri Mundrathi asked 4 years ago • Basic Electrical
396 views1 answers0 votes
Which method is used for heating In an electric room heat convector?
AnsweredRajasri Mundrathi asked 4 years ago • Basic Electrical
280 views1 answers0 votes
How Power transformers are designed? (In terms of maximum efficiency at)
AnsweredRajasri Mundrathi asked 4 years ago • Electrical Machines
585 views1 answers-1 votes
Crawling is a phenomenon mainly associated with
AnsweredRajasri Mundrathi asked 4 years ago • Electrical Machines
569 views1 answers0 votes
The event of Magnetic Blocking between the stator and the rotor teeth is called
AnsweredRajasri Mundrathi asked 4 years ago • Electrical Machines
395 views1 answers0 votes
The armature of DC generator is laminated for
AnsweredRajasri Mundrathi asked 4 years ago • Electrical Machines
564 views1 answers0 votes
The main purpose of providing tertiary winding in a 3-phase transformer
AnsweredRajasri Mundrathi asked 4 years ago • Electrical Machines
622 views1 answers0 votes
Which of the following motor can operate on both type of P.F.? (lagging as well as leading)
AnsweredRajasri Mundrathi asked 4 years ago • Electrical Machines
407 views1 answers0 votes
In an oil filled transformer, the application of oil is for
AnsweredRajasri Mundrathi asked 4 years ago • Electrical Machines
501 views1 answers0 votes
Which generator is good for feeding long DC transmission lines?
AnsweredRajasri Mundrathi asked 4 years ago • Electrical Machines
521 views1 answers0 votes
Where do we need to use a synchronous motor?
AnsweredRajasri Mundrathi asked 4 years ago • Electrical Machines
623 views1 answers0 votes
Transformers are rated in kVA but not in kW because
AnsweredRajasri Mundrathi asked 4 years ago • Electrical Machines
562 views1 answers0 votes
What is the role of the starter in 3-phase induction motor?
AnsweredRajasri Mundrathi asked 4 years ago • Electrical Machines
536 views1 answers0 votes
The synchronous machine is also called a doubly excited machine, the reason for that is
AnsweredRajasri Mundrathi asked 4 years ago • Electrical Machines
584 views1 answers0 votes
Armature reaction of an unsaturated DC machine is
AnsweredRajasri Mundrathi asked 4 years ago • Electrical Machines
532 views1 answers0 votes
Which of the following machine have maximum efficiency?
AnsweredRajasri Mundrathi asked 4 years ago • Electrical Machines
711 views1 answers-1 votes
Which of the following connections is good for 3-phase, 4-wire system?
AnsweredRajasri Mundrathi asked 4 years ago • Electrical Machines
552 views1 answers-1 votes
Open circuit test is used to find_____.
AnsweredRajasri Mundrathi asked 4 years ago • Electrical Machines
561 views1 answers0 votes
The back emf in D.C. machine______.
AnsweredRajasri Mundrathi asked 4 years ago • Electrical Machines
489 views1 answers0 votes
The tap changer in an electrical power transformer is provided on_____.
AnsweredRajasri Mundrathi asked 4 years ago • Electrical Machines
584 views1 answers0 votes
Which is the basic thing required to produce torque in any motor?
AnsweredRajasri Mundrathi asked 4 years ago • Electrical Machines
696 views1 answers0 votes
Maximum loss in D.C. machine is due to __________.
AnsweredRajasri Mundrathi asked 4 years ago • Electrical Machines
676 views1 answers0 votes
efficiency of PMSM is ____________.
AnsweredRajasri Mundrathi asked 4 years ago • Electrical Machines
623 views1 answers0 votes
The effect of leakage flux in transformer is to__________.
AnsweredRajasri Mundrathi asked 4 years ago • Electrical Machines
588 views1 answers-1 votes
What is common between induction generator and induction motor
AnsweredRajasri Mundrathi asked 4 years ago • Electrical Machines
696 views1 answers0 votes
A synchronous motor is useful in industrial applications due to its property of______.
AnsweredRajasri Mundrathi asked 4 years ago • Electrical Machines
760 views1 answers0 votes
why HV winding is always placed above LV windings in core type transformers?
AnsweredRajasri Mundrathi asked 4 years ago • Electrical Machines
766 views1 answers0 votes
Buchholz relay is provided on the transformer to
AnsweredRajasri Mundrathi asked 4 years ago • Electrical Machines
669 views1 answers0 votes
A DC generator without commutator is a
AnsweredRajasri Mundrathi asked 4 years ago • Electrical Machines
907 views1 answers0 votes
The core of transformer must have
AnsweredRajasri Mundrathi asked 4 years ago • Electrical Machines
793 views1 answers0 votes
For the same rating weight of D.C. machine will be_____________
AnsweredRajasri Mundrathi asked 4 years ago • Electrical Machines
874 views1 answers0 votes
If the speed of D.C. shunt motor is increased, the back EMF of the machine will be____________.
AnsweredRajasri Mundrathi asked 4 years ago • Electrical Machines
1373 views1 answers1 votes
How does reduce EMI helps in safe operation of electric vehicle
OpenAnonymous asked 4 years ago • Battery Management System
282 views0 answers0 votes
How is EMI affected by cell balancing
OpenAnonymous asked 4 years ago • Battery Management System
407 views0 answers0 votes
A 3 phase motor having rpm of 150 on putting load on it of 150 to 170 kg its current not get stable what to do
OpenAnonymous asked 4 years ago • Electrical Machines
370 views0 answers0 votes
Find out one basic step for right electrical estimation
AnsweredRajasri Mundrathi asked 4 years ago • Electrical Estimating And Costing
432 views1 answers0 votes
Necessity of electrical estimation is
AnsweredRajasri Mundrathi asked 4 years ago • Electrical Estimating And Costing
383 views1 answers0 votes
_________ is nothing but A list of plans which is executing before the actual work.
AnsweredRajasri Mundrathi asked 4 years ago • Electrical Estimating And Costing
427 views1 answers0 votes
A list or a plan of a building providing information of number of points in each room is called as
AnsweredRajasri Mundrathi asked 4 years ago • Electrical Estimating And Costing
519 views1 answers0 votes
________ are the constants of the transmission lines.
AnsweredRajasri Mundrathi asked 4 years ago • Electrical Estimating And Costing
367 views1 answers0 votes
which-of-the-following-is-known-as-overhead-costs-or-on-costs
AnsweredRajasri Mundrathi asked 4 years ago • Electrical Estimating And Costing
373 views1 answers0 votes
________costing is a type of job costing.
AnsweredRajasri Mundrathi asked 4 years ago • Electrical Estimating And Costing
386 views1 answers-1 votes
The usual spans with R.C.C. poles are______.
AnsweredRajasri Mundrathi asked 4 years ago • Electrical Estimating And Costing
437 views1 answers0 votes
Cost estimation includes the following expenditures
AnsweredRajasri Mundrathi asked 4 years ago • Electrical Estimating And Costing
498 views1 answers0 votes
The Most reliable estimate is_____.
AnsweredRajasri Mundrathi asked 4 years ago • Electrical Estimating And Costing
492 views1 answers0 votes
Which material is used for wiring continuous bus bar?
AnsweredRajasri Mundrathi asked 4 years ago • Electrical Estimating And Costing
889 views1 answers0 votes
in screwed conduit circuits, voltage levels are____.
AnsweredRajasri Mundrathi asked 4 years ago • Electrical Estimating And Costing
557 views1 answers0 votes
Which among these is a method of wiring?
AnsweredRajasri Mundrathi asked 4 years ago • Electrical Estimating And Costing
842 views1 answers0 votes
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