Why is scaling of Laplacian filtered images necessary?
View Answer Explanation
In an AC machine, the effect of distributing the turns in different slots, results in a further reduction of generated EMF by the factor kd. This factor is called ____________
Which of the following fact is true for the masks that includes diagonal neighbors than the masks that doesn’t?
A polyphase induction motor of the slip ring or wound rotor type can be used ____________
If the rotor of an induction motor is made to revolve in a direction opposite to the rotating flux wave, then RMS value of EMF induced in one phase of rotor E is proportional to ____________
In an alternator, frequency per revolution is equal to ___________
The EMF generated in an alternator depends upon which of the following statements are correct? (i) speed (ii) maximum flux per pole (iii) series turns per phase (iv) phase spread (v) coil-span (vi) type of alternator
If the dimensions of all the parts of a synchronous generator and the number of field and armature turns are doubled, then the generated voltage will change by a factor of ________
A 6 pole machine is rotating at a speed of 1200rpm. This speed in mechanical rad/sec and electrical radians per second is respectively?
What is the basic property of electrical conducting materials?
The short pitch winding for an alternator gives which of the following statements? (i) improved wave form of the generated EMF per phase (ii) reduced value of self inductance of the winding (iii) increased rating of machine (iv) reduced tooth ripples (v) increased total generated EMF (vi) saving in winding copper
All Engineering MCQs