Electrical & Electronics Engineering

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Q. Which of the following represents a transfer function?
  • A. G(s) = Y(s)/U(s)
  • B. G(s) = U(s)/Y(s)
  • C. G(s) = Y(s) + U(s)
  • D. G(s) = U(s) - Y(s)
Q. Which phenomenon can cause voltage instability in a transmission line?
  • A. Load shedding
  • B. Reactive power flow
  • C. Overhead line sag
  • D. Insulator failure
Q. Which power generation method is most affected by weather conditions?
  • A. Nuclear
  • B. Coal
  • C. Wind
  • D. Natural gas
Q. Which power generation method uses photovoltaic cells?
  • A. Geothermal
  • B. Wind
  • C. Solar
  • D. Biomass
Q. Which protection scheme is commonly used for transformer protection?
  • A. Overcurrent protection
  • B. Differential protection
  • C. Distance protection
  • D. Voltage protection
Q. Which renewable energy source uses photovoltaic cells for electricity generation?
  • A. Wind energy
  • B. Solar energy
  • C. Geothermal energy
  • D. Biomass energy
Q. Which switchgear component is primarily used to interrupt fault currents?
  • A. Circuit breaker
  • B. Fuse
  • C. Isolator
  • D. Transformer
Q. Which terminal of an operational amplifier is typically used as the inverting input?
  • A. Non-inverting terminal
  • B. Inverting terminal
  • C. Output terminal
  • D. Power supply terminal
Q. Which transformer type is used for voltage regulation in industrial applications?
  • A. Step-up transformer
  • B. Step-down transformer
  • C. Variable transformer
  • D. Phase-shifting transformer
Q. Which type of converter is best suited for applications requiring high efficiency at low power levels?
  • A. Buck converter
  • B. Boost converter
  • C. Flyback converter
  • D. Buck-boost converter
Q. Which type of converter is typically used in renewable energy systems to connect to the grid?
  • A. Buck converter
  • B. Boost converter
  • C. Inverter
  • D. Chopper
Q. Which type of converter is used to convert AC to DC?
  • A. Inverter
  • B. Rectifier
  • C. Chopper
  • D. Boost converter
Q. Which type of diode is specifically designed for voltage regulation?
  • A. Zener diode
  • B. Schottky diode
  • C. Light Emitting Diode (LED)
  • D. Rectifier diode
Q. Which type of diode is used for voltage regulation?
  • A. Zener diode
  • B. Schottky diode
  • C. Light-emitting diode
  • D. Photodiode
Q. Which type of fault is most common in transmission lines?
  • A. Single line-to-ground fault
  • B. Three-phase fault
  • C. Line-to-line fault
  • D. Double line-to-ground fault
Q. Which type of FET is controlled by voltage applied to the gate?
  • A. Junction FET (JFET)
  • B. Metal-Oxide-Semiconductor FET (MOSFET)
  • C. Insulated Gate Bipolar Transistor (IGBT)
  • D. Bipolar Junction Transistor (BJT)
Q. Which type of FET is known for its high input impedance?
  • A. JFET
  • B. MOSFET
  • C. BJT
  • D. IGBT
Q. Which type of foundation is most suitable for weak soil conditions?
  • A. Shallow foundation
  • B. Deep foundation
  • C. Spread footing
  • D. Mat foundation
Q. Which type of modulation is most commonly used in analog communication systems?
  • A. Amplitude Modulation (AM)
  • B. Frequency Modulation (FM)
  • C. Phase Modulation (PM)
  • D. Pulse Width Modulation (PWM)
Q. Which type of modulation is most commonly used in digital communication systems?
  • A. Amplitude Modulation (AM)
  • B. Frequency Modulation (FM)
  • C. Phase Shift Keying (PSK)
  • D. Pulse Width Modulation (PWM)
Q. Which type of power generation is characterized by the use of a fuel cell?
  • A. Thermal generation
  • B. Hydroelectric generation
  • C. Nuclear generation
  • D. Electrochemical generation
Q. Which type of power generation is characterized by the use of steam produced from water heated by nuclear reactions?
  • A. Geothermal
  • B. Nuclear
  • C. Solar thermal
  • D. Wind
Q. Which type of power generation is primarily used for base load power?
  • A. Solar power
  • B. Wind power
  • C. Nuclear power
  • D. Diesel generators
Q. Which type of power generation method is characterized by the use of geothermal heat?
  • A. Solar power
  • B. Wind power
  • C. Geothermal power
  • D. Nuclear power
Q. Which type of power generation uses the heat from the Earth's interior?
  • A. Geothermal
  • B. Nuclear
  • C. Wind
  • D. Solar
Q. Which type of power generation uses the kinetic energy of moving water?
  • A. Geothermal
  • B. Wind
  • C. Hydroelectric
  • D. Solar
Q. Which type of switchgear is commonly used for high voltage applications?
  • A. Air-insulated switchgear
  • B. Oil-insulated switchgear
  • C. Vacuum switchgear
  • D. Miniature circuit breakers
Q. Which type of switchgear is typically used for high voltage applications?
  • A. Air-insulated switchgear
  • B. Gas-insulated switchgear
  • C. Miniature circuit breaker
  • D. Fuse switch
Q. Which type of system is typically more robust to disturbances?
  • A. Open-loop systems
  • B. Closed-loop systems
  • C. Both are equally robust
  • D. Neither is robust
Q. Which type of transformer is commonly used for voltage regulation in distribution systems?
  • A. Isolation transformer
  • B. Auto transformer
  • C. Step-down transformer
  • D. Phase-shifting transformer
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