RRB JE electrical practice paper-2 | RRB JE Electrical
Ques.1. Shunt conductance in the power transmission is due to
- Leakage over the insulator
- Leakage over the conductors
- Leakage over the poles
- Leakage between ground and conductor
Ques.2. A logarithmic spiral extending out of singular points is
- Stable
- Unstable focus
- Conditionally stable
- Marginally stable
Ques.3. The symbol Q refer to
- Resonance Quotient
- Quality Factor
- Power Quotient
- Qualification test
Ques.4. The gang capacitor is a variable capacitor in which capacitance is varied by changing the
- Dielectric
- Number of plates
- Plate area
- Distance between the points
Ques.5. Ohm is the unit of
- Resistance
- Inductive Reactance
- Capacitive Reactance
- All of the above
Ques.6. Which of the following instruments indicates the instantaneous value of the electrical quantity being measured at the time at which it is being measured?
- Absolute instrument
- Indicating instrument
- Recording Instrument
- Integrating Instrument
Ques.7. Inside the hollow conducting sphere
- Electric field is zero
- Electric field is a non-zero constant
- Electric field changes with magnitude of the change given to the conductor
- Electric field changes with the distance from the center of sphere
Ques.8. Commutator in DC generator is used for
- Collecting of current
- Reduce Losses
- Increasing efficiency
- Convert AC armature current in DC
Ques.9. What are the constituents in speed time curve of train?
- Coasting
- Initial Acceleration
- Constant speed
- All of these
Ques.10. If field current is decreased in shunt dc motor the speed of the motor
- Remain same
- Increases
- Decreases
- None of the above