Important Industrial Drive Multiple Choice Questions and Answers


46.  Electric drive is becoming more and more popular because


   A. It is simple, cleaned, compact and reliable

   B. It provides easy and smooth control, flexibility in layout, easy starting and facility for remote control

   C. It is cheaper in initial as well as in maintenance cost

   D. All of the above


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D. All of the above

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47.  The basic elements of an electric drive are


   A. Electric motor and the transmission system

   B. Electric motor, the transmission and control system

   C. The transmission and control system

   D. Electric motor and conversion equipment


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B. Electric motor the transmission and control system

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48.  Introduction of automation in production process has become possible only because of the use of


   A. An electric drive

   B. Group drives

   C. Individual and multi motor drives

   D. Individual Drive


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C. Individual and multi motor drives

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49.  DC motor are still preferred for use in


   A. Electric excavators, steel mills and cranes

   B. Lathes and machine tools

   C. Flour Mills and Jaw crushers

   D. Paper industry


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A. Electric excavators, steel mills and cranes

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50.  A typical active load is


   A. Hoist

   B. Lathe

   C. Blower

   D. Pump


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A. Hoist

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