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EEE :: Industrial Drives

  1. Light duty cranes are generally used in
  2. A.
    automobile workshops
    B.
    pumping stations
    C.
    power houses
    D.
    All of the above

  3. 15 minute rated motors are suitable for
  4. A.
    light duty cranes
    B.
    medium duty cranes
    C.
    heavy duty cranes
    D.
    all of the above

  5. In overhead traveling cranes
  6. A.
    continuous duty motors are used
    B.
    slow speed motors are preferred
    C.
    short time rated motors arc preferred
    D.
    none of the above

  7. The traveling speed of cranes varies from
  8. A.
    1 to 2.5 m/s
    B.
    5 to 15 m/s
    C.
    20 to 22.5 m/s
    D.
    25 to 40 m/s

  9. The capacity of a crane is expressed in terms of
  10. A.
    Span
    B.
    Type of drive
    C.
    Tonnes
    D.
    Any of the above