Home / EEE / Electrical Machine Design :: section-1

EEE :: Electrical Machine Design

  1. Materials exhibiting zero value of resistivity are known as ______ .

  2. A.

     conductors

    B.

     semiconductors

    C.

     insulators

    D.

     superconductors

    View Answer

    Workspace

    Discuss Discuss in Forum


  3. Disc windings are primarily used in

  4. A.

     short capacity transformers

    B.

     medium capacity transformers

    C.

     high capacity transformers

    D.

     any of the above

    View Answer

    Workspace

    Discuss Discuss in Forum


  5. Resistances can be measured with the help of

  6. A.

     wattmeters

    B.

     voltmeters

    C.

     ammeters

    D.

     ohmmeters and resistance bridges

    E.

     all of the above

    View Answer

    Workspace

    Discuss Discuss in Forum


  7. If an inductance is connected in one arm of bridge and resistances in the remaining three arms

  8. A.

     the bridge can always be balanced

    B.

     the bridge cannot be balanced

    C.

     the bridge can be balanced if the resistances have some specific values

    D.

     none of the above

    View Answer

    Workspace

    Discuss Discuss in Forum


  9. A sensitive galvanometer produces large deflection for a

  10. A.

     small value of current

    B.

     large value of current

    C.

     large value of power

    D.

     large value of voltage

    E.

     none of the above

    View Answer

    Workspace

    Discuss Discuss in Forum


  11. Alternating current is measured by

  12. A.

     induction ammeter

    B.

     permanent magnet type ammeter

    C.

     electrostatic ammeter

    D.

     moving iron repulsion type voltmeter

    View Answer

    Workspace

    Discuss Discuss in Forum


  13. A universal RLC bridge uses

  14. A.

     Maxwell bridge configuration for measurement of inductance and De Santas bridge for measurement of capacitance

    B.

     Maxwell Wein bridge for measurement of inductance and modified De Santy’s bridge for measurement of capacitance

    C.

     Maxwell Wein bridge for measurement of inductance and Wein bridge for measurement of capacitance

    D.

     Any of the above

    View Answer

    Workspace

    Discuss Discuss in Forum


  15. Is an instrument which measures the insulation resistance of an electric circuit relative to earth and one another,

  16. A.

     Tangent galvanometer

    B.

     Meggar

    C.

     Current transformer

    D.

     None of the above

    View Answer

    Workspace

    Discuss Discuss in Forum


  17. are always double layer type.

  18. A.

     Closed windings

    B.

     Open windings

    C.

     Either of the above

    D.

     None of the above

    View Answer

    Workspace

    Discuss Discuss in Forum


  19. The mcrease in heat dissipation by air blasts is due to increase in

  20. A.

     conduction

    B.

     convection

    C.

     radiation

    D.

     any ofthe above

    View Answer

    Workspace

    Discuss Discuss in Forum