Electrical Engineering Archives - Page 10 of 11

Electrical Engineering

901. What is difference between system earthing and equipment earthing?
902. What is spirality effect in transmission lines?
903. What is RDOL starter?
904. What is difference between feeder and distributor?
905. What is teaser transformer?
906. What is arc phenomenon in circuit breaker?
907. What is auxiliary transformer?
908. Why single phase induction motor is not self starting?
909. What does Dyn11 mean in a transformer connection?
910. How is power loss minimized in transmission lines?
911. What is surge impedance and its significance?
912. What is the effect of line capacitance on transmission lines?
913. What is the concept of line inductance in transmission?
914. What are the different types of conductors used in transmission lines?
915. What is the importance of transmission line parameters (R, L, C, G)?
916. What are underground transmission cables, and when are they used?
917. What are overhead transmission lines and their advantages?
918. What is the significance of line impedance in transmission lines?
919. What are the different types of transmission lines?
920. What is the difference between AC and DC transmission?
921. How is electrical power transferred from power plants to consumers?
922. What is the role of step-down transformers in distribution networks?
923. What is the purpose of a step-up transformer in transmission?
924. What are the main components of a power transmission system?
925. What are the different types of transmission systems?
926. What are the common voltage levels used in distribution systems?
927. Why is electrical power transmitted at high voltages?
928. What are the different voltage levels used in power transmission?
929. What is the difference between transmission and distribution systems?
930. What are the advantages and disadvantages of underground cables?
931. What is the significance of HVDC transmission?
932. How do skin effect and proximity effect impact transmission lines?
933. What are bundled conductors, and why are they used in transmission?
934. What are corona losses in transmission lines?
935. What is a transmission line’s surge impedance?
936. What are transmission line parameters and their significance?
937. Why is electrical power transmitted at high voltages?
938. What is the difference between AC and DC transmission?
939. What are the main components of a power transmission system?
940. How do renewable energy sources impact power generation?
941. What factors determine the selection of a power plant location?
942. What is meant by cogeneration in power generation?
943. How does a combined-cycle power plant work?
944. What are the major components of a coal-fired power plant?
945. What is the difference between base load and peak load power plants?
946. What are the advantages and disadvantages of nuclear power plants?
947. How does a hydroelectric power plant generate electricity?
948. What is the basic working principle of a thermal power plant?
949. What are the different types of power plants used for electricity generation?
950. How do you test the performance of a DC generator?
951. What is the load characteristic of a DC generator?
952. What are the causes of losses in DC generators?
953. Explain the voltage regulation of a DC generator?
954. How do you calculate the generated EMF in a DC generator?
955. What are the different types of field windings used in DC generators?
956. How does commutation occur in a DC generator?
957. What is armature reaction in a DC generator?
958. Explain the different types of DC generators.
959. What is the working principle of a DC generator?
960. What is the role of a rotor and stator in an electrical machine?
961. How do cooling systems affect the performance of electrical machines?
962. What is an equivalent circuit of an electrical machine, and why is it needed?
963. Explain the role of a commutator in a DC machine?
964. What is the significance of insulation in electrical machines?
965. What is efficiency in electrical machines, and how is it calculated?
966. What are the different types of losses in electrical machines?
967. Explain the working principle of electrical machines.
968. What are the main differences between motors and generators?
969. What is an electrical machine? Explain its types.
970. What is Kirchhoff’s Voltage Law (KVL)? Explain with an example.
971. Define creeping error in measuring instruments.
972. What is a ballistic galvanometer, and where is it used?
973. Explain the term “loading effect” in measuring instruments.
974. What is meant by the range of an instrument?
975. Why is a damping system required in indicating instruments?
976. Describe the working of a moving iron instrument?
977. What is a PMMC instrument, and why is it widely used?
978. What is the difference between an indicating and recording instrument?
979. Explain the working principle of a moving coil instrument?
980. Differentiate between analog and digital instruments?
981. What is the significance of response time in instrumentation?
982. Explain the concept of drift in measurements.
983. What are dynamic characteristics of measuring instruments?
984. Define the terms repeatability and reproducibility.
985. What is a standard, and how does it help in measurement?
986. What is meant by calibration, and why is it important?
987. Explain the different types of errors in measurement?
988. Define sensitivity and its significance in measurement?
989. What is the difference between accuracy, precision, and resolution?
990. What are the basic requirements of a good measuring instrument?
991. What is the significance of Kirchhoff’s Laws in electrical engineering?
992. How do Kirchhoff’s laws apply in a series circuit?
993. How do Kirchhoff’s laws apply in a parallel circuit?
994. What are node, loop, and mesh in an electrical circuit?
995. How are Kirchhoff’s laws used in circuit analysis?
996. What is Kirchhoff’s Current Law (KCL)? Explain with an example.
997. What is the limitation of Ohm’s Law?
998. How does Ohm’s Law apply to a simple circuit?
999. What is Ohm’s Law? Write its mathematical formula.
1000. How does an electric field influence charge movement?

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