AC THREE PHASE MOTOR - Quiz

1) What are the two functional circuits incorporated with a three phase motor starter?

Open circuit and short circuit Closed circuit and open circuit Short circuit and closed circuit Control circuit and power circuit

2) Which is the main property of leatheroid paper insulation?

Non moisturized material Highly non-hygroscopic Very good for class F insulation Better ageing and dielectric strength

3) Which type of insulating material is selected for binding the coils and over hangs?

Cotton sleeves Empire sleeves Terylene thread Fibre glass tape

4) Which insulation is used for cuffing in AC winding?

Fibre glass tape Leatheroid paper Empire fiber glass tape Fabric based adhesive tape

5) What refers coil in AC winding?

Number of turns connected in series Number of turns connected in parallel Number of turns under two similar poles Number of turns under two dissimilar poles