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Department of Computer Science and Engineering
EE 11
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Question 1 : the speed of a dc shunt motor_______________ from no load to full load
Option-1 :falls slightly
Option-2 :improves slightly
Option-3 :remains unchanged
Option-4 :falls rapidly
Question 2 : the efficiency of a dc motor when developing maximum power will be about
Option-1 :100%
Option-2 :50%
Option-3 :less than 50%
Option-4 :more than 50%
Question 3 : torque developed in a dc motor depends upon
Option-1 :magnetic field
Option-2 :current flowing through the armature conductors
Option-3 :active length of the conductors
Option-4 :all of these factors
Question 4 : if the flux of a dc motor approaches zero, its speed will
Option-1 :approach infinity
Option-2 :approach zero
Option-3 :remain unchanged
Option-4 :between 0 and infinity
Question 5 : A DC SHUNT MOTOR IS RUNNING AT LIGHT LOAD, WHAT WILL HAPPEN IF THE FIELD WINDINGS GETS OPENED?
Option-1 :motor will stop
Option-2 :motor will burn
Option-3 :motor will make noise
Option-4 :motor will pick up high speed
Question 6 : the capacity voltage transformer used in computer centre
Option-1 :true
Option-2 :false
Question 7 : which of the following power plant is the least reieabl;e
Option-1 :wind
Option-2 :tidal
Option-3 :geothermal
Option-4 :solar
Question 8 : to avoid glare
Option-1 :object should be viewed from distance
Option-2 :object should be moved constanly
Option-3 :object should be viewed closely
Option-4 :veiwers should move constantly
Question 9 : auto transformer have only one winding
Option-1 :true
Option-2 :false
Question 10 : halogen lamps can be used for computer centre
Option-1 :true
Option-2 :false
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