Electrical & Electronics Engineering

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Q. Which controller is typically used to eliminate steady-state error in a system?
  • A. Proportional controller
  • B. Integral controller
  • C. Derivative controller
  • D. PID controller
Q. Which controller is used to eliminate steady-state error in a system?
  • A. Proportional controller
  • B. Integral controller
  • C. Derivative controller
  • D. PID controller
Q. Which device is used to protect electrical equipment from overcurrent?
  • A. Fuse
  • B. Inductor
  • C. Capacitor
  • D. Transformer
Q. Which factor does NOT influence the bearing capacity of a foundation?
  • A. Soil type
  • B. Foundation depth
  • C. Soil moisture content
  • D. Foundation color
Q. Which factor is NOT typically considered in the design of transmission lines?
  • A. Environmental impact
  • B. Load demand
  • C. Aesthetic appearance
  • D. Local weather patterns
Q. Which generation method is most commonly associated with the use of geothermal energy?
  • A. Binary cycle power plants
  • B. Photovoltaic cells
  • C. Wind turbines
  • D. Nuclear reactors
Q. Which of the following configurations can be used to create a differential amplifier?
  • A. Inverting and non-inverting amplifiers
  • B. Only inverting amplifiers
  • C. Only non-inverting amplifiers
  • D. Voltage followers
Q. Which of the following configurations can be used to create a summing amplifier?
  • A. Inverting amplifier
  • B. Non-inverting amplifier
  • C. Voltage follower
  • D. Differential amplifier
Q. Which of the following describes a closed-loop control system?
  • A. Output is independent of input.
  • B. Feedback is used to compare output with input.
  • C. No feedback is used.
  • D. Only feedforward control is applied.
Q. Which of the following factors affects the performance of a transmission line?
  • A. Line length
  • B. Conductor material
  • C. Temperature
  • D. All of the above
Q. Which of the following factors does NOT affect the consolidation rate of soil?
  • A. Soil type
  • B. Loading rate
  • C. Pore water pressure
  • D. Soil color
Q. Which of the following factors does NOT affect the performance of a transmission line?
  • A. Line length
  • B. Voltage level
  • C. Weather conditions
  • D. Type of transformer used
Q. Which of the following factors does NOT affect the resistance of a transmission line?
  • A. Material of the conductor
  • B. Length of the line
  • C. Temperature of the environment
  • D. Voltage level of the line
Q. Which of the following indicates a stable system in a Bode plot?
  • A. The gain margin is positive.
  • B. The phase margin is negative.
  • C. The gain increases without bound.
  • D. The phase crosses -180 degrees.
Q. Which of the following indicates a stable system in the context of Bode plots?
  • A. The gain margin is negative.
  • B. The phase margin is positive.
  • C. The gain increases indefinitely.
  • D. The phase crosses -180 degrees at a low frequency.
Q. Which of the following indicates a stable system in the root locus plot?
  • A. All poles are in the right half-plane.
  • B. All poles are in the left half-plane.
  • C. Poles are on the imaginary axis.
  • D. Poles are outside the unit circle.
Q. Which of the following indicates an underdamped system in a second-order transfer function?
  • A. Damping ratio less than 0.
  • B. Damping ratio equal to 0.
  • C. Damping ratio between 0 and 1.
  • D. Damping ratio greater than 1.
Q. Which of the following indicates that a system is stable?
  • A. All poles of the transfer function are in the right half of the s-plane.
  • B. All poles of the transfer function are in the left half of the s-plane.
  • C. Poles are on the imaginary axis.
  • D. Poles are complex with positive real parts.
Q. Which of the following is a characteristic of a closed-loop control system?
  • A. It does not require a reference input.
  • B. It uses feedback to compare the output with the desired input.
  • C. It is always faster than an open-loop system.
  • D. It cannot handle disturbances.
Q. Which of the following is a characteristic of a FET?
  • A. Current-controlled device
  • B. Voltage-controlled device
  • C. Requires biasing for operation
  • D. Has a high input current
Q. Which of the following is a characteristic of a JFET?
  • A. It is voltage-controlled
  • B. It is current-controlled
  • C. It has a gate current
  • D. It operates in the saturation region only
Q. Which of the following is a characteristic of a MOSFET?
  • A. Requires a continuous current to operate
  • B. Has a gate that is insulated from the channel
  • C. Is always on when powered
  • D. Has low input impedance
Q. Which of the following is a characteristic of a second-order underdamped system?
  • A. No oscillations
  • B. Oscillations with decreasing amplitude
  • C. Oscillations with constant amplitude
  • D. Instantaneous response
Q. Which of the following is a characteristic of a stable system?
  • A. All poles are in the right half of the s-plane.
  • B. All poles are in the left half of the s-plane.
  • C. Poles are on the imaginary axis.
  • D. Poles can be anywhere in the s-plane.
Q. Which of the following is a characteristic of an open-loop control system?
  • A. It requires feedback.
  • B. It is less complex than closed-loop systems.
  • C. It is always stable.
  • D. It can automatically correct errors.
Q. Which of the following is a characteristic of MOSFETs?
  • A. They are current-controlled devices
  • B. They have high input impedance
  • C. They require a biasing current
  • D. They are less sensitive to temperature changes
Q. Which of the following is a common application of a distribution transformer?
  • A. Power generation
  • B. Voltage stepping in transmission lines
  • C. Supplying power to residential areas
  • D. Industrial power supply
Q. Which of the following is a common application of open-loop control systems?
  • A. Temperature control in a furnace.
  • B. Cruise control in vehicles.
  • C. Washing machines on a fixed cycle.
  • D. Robotic arms with sensors.
Q. Which of the following is a common application of solar power generation?
  • A. Pumped storage
  • B. Photovoltaic systems
  • C. Geothermal heating
  • D. Nuclear fission
Q. Which of the following is a common application of transformers?
  • A. Voltage regulation in power systems
  • B. Signal amplification in audio systems
  • C. Energy storage in batteries
  • D. Frequency conversion in inverters
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