Related Questions

The diameter of the rotor shaft for an electric motor depends on which of the following?
A r.p.m. only
B Horse power only
C Horse power and r.p.m.
D Horse power, r.p.m. and power factor
A motor pool has 300 vehicles of which 30% are trucks. 20% of all the vehicles in the motor pool are diesel, including 15 trucks. What percent of the motor pool is composed of vehicles that are neither trucks nor diesel?
A 165%
B 90%
C 65%
D 10%
By looking at which part of the motor, it can be easily confirmed that a particular motor is D.C. motor?
A Frame
B Shaft
C Commutator
D Stator
Of the 120 households in an area, 55 have cars, 35 have motor bikes, and 20 have both cars and motor bikes. How many of the households in the area have neither cares nor motor bikes?
A 110
B 90
C 50
D 30
One D.C. motor drives another D.C. motor. The second D.C. motor when excited and driven
A Runs as a generator
B Does not run as a generator
C Also runs as a motor comes to stop after sometime
D None of these
Flywheel is used with D.C. compound motor to reduce the peak demand by the motor, compound motor will have to be
A Level compounded
B Under compounded
C Cumulatively compounded
D Differentially compounded
A synchronous motor installed at the receiving end substation operates with such an excitation that it takes power at lagging power factor. Now if the applied voltage of the synchronous motor goes down, the power factor of the synchronous motor will
A remain same
B go down
C improve
D none of the above
ভাসমান কোন Selection কে অন্য স্থানে সরিয়ে নেওয়া যাবে যখন Selection এর ভিতরে- 
A বর্গাকার আইকন দেখা যাবে
B আয়তাকার আইকন দেখা যাবে
C ত্রিকোণাকার আইকন দেখা যাবে
D গোলাকার আইকন দেখা যাবে
Object বা object-এর অংশবিশেষ select করতে ব্যবহৃত হয়-i. Selection toolii. Direct Selection tooliii. Pencil toolনিচের কোনটি সঠিক?
A i ও ii
B i ও iii
C ii ও iii
D i, ii ও iii
Two-value capacitor motor finds increased application as compressor motor in small home air-conditioners because
A it is comparatively cheaper
B it has almost non-destructible capacitor
C it has low starting as well as running currents at relatively high power factor
D it is quiet in operation

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