FFC Management Trainee Program Solved Past Papers 2017
- What is the unit of electric charge, and how is it measured?
- Explain the use of a regenerator in a thermal power plant and its impact on energy efficiency.
- When SCR firing angle decrease, output… increase.
- How does the efficiency of a thermal power plant improve with the use of high steam pressure?
- What is the typical dropout to cutoff ratio for a relay, and why is it important in power systems?
- Describe the structure of an efficient transformer and why it is designed that way.
- What is a TRIAC, and what is its unique property in terms of conduction?
- How is voltage drop compensated in power systems, and what are the methods used for this purpose?
- In hydro power water from source to turbine is brought in …… Water is channeled through tunnels in the dam.
- What are the transmission line constants, and why are they important in power system analysis?
- What is a reliable distribution system, and why is the ring main distribution system considered one?
- Explain the skin effect in electrical transmission lines and its significance.
- What is the role of a circuit breaker in electrical systems, especially during surges?
- What is the maximum temperature at the top center of a piston, and why is it important in engine design?
- How is water transported from its source to a hydroelectric turbine, and why are tunnels used in the process?
- What is the role of a condenser in a power generation system, and where does it condense steam?
- Can you name some unconventional sources of energy in the context of power generation and explain their potential applications?
- Describe the characteristics of a tunnel diode, including its doping level.
- How is coal transported to a boiler, and why are V-belts used in this process?
- Which one finds application in speed control of dc motor… Armature Control Method.
- What is the typical range of horsepower for diesel locomotives, and why are they used in transportation?
- Explain what “J rotates” means in the context of electrical engineering.
- When and why is a Mho relay used in long transmission lines?
- What is the significance of Alfa in a DC chopper circuit?
- Compare the disadvantages of Gauss-Seidel and Newton methods in power system analysis.
- What is a hydrograph, and how is it relevant in hydroelectric power generation?
- How does wind affect supporting towers in power transmission lines, and what measures are taken to mitigate its effects?
- What is the maximum temperature on piston top center?
- How can large impedance loading of long transmission lines be increased without affecting stability?
- What functions does disturbance monitoring equipment serve in a power system, and why is it essential?
- What is the range of horsepower of diesel locomotive?
- Explain the purpose of bundled conductors in power transmission lines.
- Which type of copper has the highest tensile strength, and where is it commonly used?
- What is the role of a condenser in a power generation system?
- What is the significance of anthracite coal in power generation?
- What types of tests are conducted for isolators, and why are they important in power systems?
- What is a reliable distribution system, and why is it important?
- What is the unit of electric charge?
- How does an increase in current in the secondary winding of a transformer affect the primary winding?
- How is a fault in a power system calculated, and what methods are commonly used for fault analysis?
- What is the typical dropout to cutoff ratio for a relay?
- What are the transmission line constants, and why are they important?
- How is voltage drop compensated in power systems?
- Explain the use of a regenerator in a thermal power plant.
- Can you name some unconventional sources of energy in power generation?
- Describe the structure of an efficient transformer.
- What is a TRIAC, and what is its unique property?
- What is the role of a circuit breaker in electrical systems?
- How is water transported to a hydroelectric turbine?
- When does negative regulation occur in a transformer?
2 version of FFC Management Trainee Program Solved Past Papers 2017
- Dropout to cutoff ratio for relay is …… D. 0.6 to 1.0.
- Not unconventional source of energy is …… solar energy, bioenergy, tidal energy and wind energy.
- Efficiency of thermal power plant improves with….. use of high steam pressure.
- Condenser condenses steams coming out from….. Turbine.
- Coal with lowest calorific values is…….. Lignite
- Graph between discharge and time is….. Hydrograph.
- Coal is brought to boiler in …….V-belts..
- Which engine has highest air to fuel ratio…. Gas Engine
- Which one is not transmission voltage in Pakistan… 264kv.
- Skin effect definition
- Voltage drop is compensated by…… Installing synchronous motors.
- Corona current loss waveform…..
- Effect of wind is more on… Supporting Towers.
- Relay use for long transmission line is… Mho relay.
- Power is transmitted by high voltage because…… to increase efficiency.
- Which one is reliable distribution system…. ring main distribution system.
- Regenerator is used in thermal plant……. A regenerator is a type of heat exchanger where
- Maximum temperature on piston… top centre.
- The range of horsepower of diesel locomotive is of the order of….1500-2500HP.
- Which enters the super heater of boiler…?Wet steam.
- In hydro power water from source to turbine is brought in …… Water is channeled through tunnels in the dam.
- Super quality of coal…. Anthracite:
- Hydrogen is used in generator because…. Hydrogen is used to cool the windings of large power plant generators because of hydrogen’s high heat capacity and low density.
- Which interrupts the supply at surges…? circuit breaker
- Copper with highest tensile strength is …… Copper Magnesium
- Lightening arresters are placed… near the Transformer.
- Which tests are conducted for isolators……DC insulation test.
- Large impedance loading of long transmission can be increased without affecting its stability by connecting lumped…. lumped inductances in series with the line..
- Bundled conductors are used because…. reduce the corona loss and radio interference.
- DC chopper, Alfa ……
- Which one finds application in speed control of dc motor… Armature Control Method.
- Which of the following are the transmission line constants…. resistance, inductance and
- Disadvantages of gauss seidal to Newton method…. Increase of number of iterations directly with the increased number of buses. Slow rate of convergence and thus, large number of iterations. Effect on convergence due to choice of slack bus..
- Which is not the function of disturbance monitoring equipment…?incorrect protection setting
- J rotates………
- J is equal to…….
- Dc generator generates…DC voltage.
- Structure of efficient transformer……. It is made up of a laminated soft iron core in order to reduce the losses in a transformer.
- Unit of charge….Coulomb.
- When current in secondary of transformer increases, then current in primary…….also increases.
- FET classification is based on…Control Gate Construction.
- TRIAC is…..bidirectional.
- 33km transmission line 30MW, then voltage…… 33KV.
- When SCR firing angle decrease, out put…. increase.
- As compare to oscillator, inverter….. Provide low frequency output.
- Tunnel diode is…… high pn doped.
- SCR saturate when…..
- In transformer negative regulation occurs when PF is……… , When load is of the capacitive
- Fault in power system is calculated through which method….
- Capacitance is neglected when transmission line is less than.. upto 50km to 80km.
