Related Questions

In the analysis of which of the following lines shunt capacitance is neglected?
A Short transmission lines
B Medium transmission lines
C Long transmission lines
D Medium as well as long transmission lines
If a D.C. shunt motor is working at full load and if shunt field circuit suddenly opens
A This will make armature to take heavy current, possibly burning it
B This will result in excessive speed, possibly destroying armature due to excessive centrifugal stresses
C Nothing will happen to motor
D Motor will come to stop
If a D.C. shunt motor is working at no load and if shunt field circuit suddenly opens
A Nothing will happen to the motor
B This will make armature to take heavy current, possibly burning it
C This will result in excessive speed, possibly destroying armature due to excessive centrifugal stresses
D Motor will run at very slow speed
The affected parameter by shunt capacitance are -
A real power
B reactive power
C frequency
D all of these
পাত-দূরত্ব d এবং ধারকত্ব C. এমন একটি সমান্তরাল পাত ধারকের পাত দুটির মাঝখানে d/2 পুরুত্ববিশিষ্ট একটি ধাতব পাত স্থাপন করা হলো। নতুন ধারকত্ব কত হবে? (A metal plate of thickness d/2 is inserted between the plates of a parallel plate capacitor with plate separation d and capacitance C. What is the new capacitance?)
A C/d
B C/2
C 4Cd
D 2c
The e.m.f. generated by a shunt wound D.C. generator is E. Now while pole flux remains constant, if the speed of the generator is doubled, the e.m.f. generated will be
A $$\frac{{\text{E}}}{2}$$
B 2E
C Slightly less than E
D E
If the field of a D.C. shunt motor gets opened while motor is running
A The speed of motor will be reduced %
B The armature current will reduce
C The motor will attain dangerously high speed 1
D The motor will continue to run at constant speed
Each sentence below has four underlined parts having words or phrases marked A,B,C And D. Identify one of the underlined parts that must be changed to make the sentence correct . The house owners forget that even "so simple a matter " "as cleaning and maintaining a lawn affects ecology and should not be neglected. "No error".
A The house owners forget that even
B so simple a matter
C as cleaning and maintaining a lawn affects ecology and should not be neglected .
D No error .
The officer who had neglected to files his income tax returns had to ......
A return the files
B pay a fine
C be rewarded
D play mischief
E give warning
In the equation of virtual work, following force is neglected
A Reaction of any smooth surface with which the body is in contact
B Reaction of a rough surface of a body which rolls on it without slipping
C Reaction at a point or an axis, fixed in space, around which a body is constrained to turn
D All of the above

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