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Multilayer helical windings are commonly used in the transformers as high voltage windings
The insulation between windings and grounded core and the insulation between the windings of the same phase is
Which one of the windings does NOT belong to concentric windings of transformer?
The stator of a split-phase induction motor has two windings, the main winding and the auxiliary winding. How are these windings displaced in space by electrical degrees?
Which of these windings are said to be bifurcated windings?
Which among the following makes double layer windings advantageous than the single layer windings?
DC machines have ________ windings and synchronous machines use ______ windings.
Consider the following statements: In case of helical gears, teeth are cut at an angle to the axis of rotation of the gears. 1) Helix angle introduces another ratio called axial contact ratio. 2) Transverse contact ratio is equal to axial contact ratio in helical gears. 3) Large transverse contact ratio does not allow multiple teeth to share the load. 4) Large axial contact ratio will cause larger axial force component Which of the above statements are correct?
For helical gears, the angle between hob’s spindle axis and workpiece’s spindle axis must be _____ as the helix angle of the helical gear.
The helical spring ad wire of helical torsion spring, both are subjected to torsional shear stresses.