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The starting resistance of a D.C. motor is generally_______________?
Related MCQs
Which of the following load normally needs starting torque more than the rated torque?
Which of the following law/rule can he used to determine the direction of rotation of D.C. motor ?
In D.C. motor which of the following can sustain the maximum temperature rise?
The ratio of starting torque to full-load torque is least in case of__________?
In case-the conditions for maximum power for a D.C. motor are established, the efficiency of the motor will be__________?
A three point starter is considered suitable for__________?
In D.C. machines fractional pitch winding is used__________?
In which of the following applications D.C. series motor is invariably tried?
By looking at which part of the motor, it can be easily confirmed that a particular motor is D.C. motor?
These days D.C. motors are widely used in__________?
In a D.C. shunt motor, under the conditions of maximum power, the current in the armature will be__________?
In case of D.C. shunt motors the speed is dependent on back e.m.f. only because__________?
What will happen if the back e.m.f. of a D.C. motor vanishes suddenly?
A direct on line starter is used: for starting motors__________?
In a D.C. shunt motor, speed is__________?
The speed of a D.C. shunt motor more than its full-load speed can be obtained by__________?
When two D.C. series motors are connected in parallel, the resultant speed is__________?
To get the speed of D.C, motor below the normal without wastage of electrical energy is used?
If a D.C. motor is connected across the A.C. supply it will__________?
The type of D.C. motor used for shears and punches is__________?
For starting a D.C. motor a starter is required because__________?
A D.C. series motor is that which__________?
In D.C. shunt motors as load is reduced__________?
Starters are used with D.C. motors because__________?
If the field of a D.C. shunt motor gets opened while motor is running__________?
According to Fleming’s left-hand rule, when the forefinger points in the direction of the field or flux, the middle finger will point in the direction of__________?
Which D.C. motor is preferred for elevators ?
Differentially compound D.C. motors can find applications requiring__________?
Which D.C. motor will be preferred for machine tools ?
If a D.C. motor is to be selected for conveyors, which rriotor would be preferred ?
Which of the following application requires high starting torque ?
The direction of rotation of a D.C. series motor can be changed by__________?
No-load speed of which of the following motor will be highest ?
The size of poxvirus is__________?
Kingdom Protoctista includes__________?
The starting resistance of a D.C. motor is generally_______________?
A. low
B. around 500 Q
C. 1000 Q
D. infinitely large
Correct Answer:
low
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Last Updated:
July 02, 2018