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Aptitude Test (Mathematics and Soft Skill) DDCET
BASIC ELECTRONICS
Basics of Science and Engineering (DDCET)
CONTROL SYSTEM ENGINEERING
DIGITAL ELECTRONICS
ELECTRICAL CIRCUIT ANALYSIS
ELECTRICAL ENERGY CONSERVATION AND AUDITING
ELECTRICAL ENGINEERING MATERIALS
ELECTRICAL MACHINES
ELECTRICAL VEHICLES
ELECTRICAL WIRING
ELECTROMAGNETICS
MEASUREMENT & INSTRUMENTATION
MICROPROCESSOR AND MICROCONTROLLER INTERFACING
POWER ELECTRONICS & DRIVES
POWER SYSTEM
SIGNALS & SYSTEMS
UTILIZATION OF ELECTRICAL ENERGY
POWER SYSTEM
Q101.
A capacitor connected in parallel with an equipment provides some degree of protection against
neutral displacement
Ferranti effect
loss of stability
surges.
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Solution
Q102.
Bus-bar zone faults are generally
Phase to phase faults.
Double line to ground faults.
Single line to ground faults.
Three phase short circuits.
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Solution
Q103.
Restraining torque is due to _________ component of mangnetizing inrush current.
\(3^{rd}\) harmonics
\(2^{nd}\) harmonics
\(5^{th}\) harmonics
\(7^{th}\) hatmonics
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Solution
Q104.
The total load on any overcurrent device located in a panelboard shall not exceed ____ of its rating if in normal operation the load will be continuous.
80%
50%
125%
100%
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Solution
Q105.
Electrical faults can be prevented by
increasing the value of earthing resistance
By avoiding overloading
By using inferior quality of material
By using proper rating protective devices
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Solution
Q106.
The angle between the phase wires and ground wire used for lighting protection on the tower is generally
15°
30°
60°
45°
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Solution
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