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What is Newton Raphson Method example?

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Description : Compared to Gauss-Seidel method, Newton-Raphson method takes : A. less number of iterations and more time per iteration B. less number of iterations and less time per iteration C, more number of iterations and more time per iteration D. more number of iterations and less time per iteration

Answer : Compared to Gauss-Seidel method, Newton-Raphson method takes : A. less number of iterations and more time per iteration B. less number of iterations and less time per iteration ... of iterations and more time per iteration D. more number of iterations and less time per iteration

Description : For the use of Newton-Raphson method, the non-linear algebraic equations are made linear with the help of (a) By decoupling the equations (b) Taylor series expansion (c) Exponential distribution (d) Nothing can be said 

Description : What is the bisection method?

Description : One newton meter is same as?

Answer : One newton meter is same as one joule.

Description : Why do we use Gauss elimination method?

Description : What is an example of an electromagnetic?

Description : What is an example of an open loop system?

Answer : Open loop system. Ex. Electric heater, washing machine, fan, electric switch, etc

Description : What is an example of an analog device?

Description : The convergence characteristic of the Newton—Raphson method for solving a load flow problem is (A) quadratic (B) linear (C) geometric (D) cubic 

Answer : The convergence characteristic of the Newton—Raphson method for solving a load flow problem is quadratic

Description : In the solution of load flow equation, Newton Raphson (NR) method is superior to the GaussSeidal (GS) Method, because the:  (A) Convergence characteristic of the NR methods are not affected by ... ) Number of iteration required in the NR method is more than compared to that in the GS method 

Description : DC motor gross torque example

Answer : .embed-container { position: relative; padding-bottom: 56.25%; height: 0; overflow: hidden; max-width: 100%; } .embed-container iframe, .embed-container object, .embed-container embed { position: absolute; top: 0; left: 0; width: 100%; height: 100%; }

Description : Nodal Analysis Example 3

Answer : Nodal Analysis Example 3

Description : Mesh Analysis Example

Answer : .embed-container { position: relative; padding-bottom: 56.25%; height: 0; overflow: hidden; max-width: 100%; } .embed-container iframe, .embed-container object, .embed-container embed { position: absolute; top: 0; left: 0; width: 100%; height: 100%; }

Description : Nodal analysis example with voltage source and supernode

Answer : Nodal analysis example with voltage source and supernode

Description : Nodal Analysis Example 2

Answer : Nodal Analysis Example 2

Description : Nodal analysis example 1

Answer : Nodal analysis example 1

Description : Delta to Star Conversion Example

Answer : Delta to Star Conversion Example

Description : Current division rule example

Answer : Current division rule example

Description : Ohm's law example

Answer : Ohm's law example

Description : Parallel Reactance and Resistance Example 1

Answer : Parallel Reactance and Resistance Example 1

Description : Nodal Analysis of Electric Circuits Example

Answer : Nodal Analysis of Electric Circuits Example 1 : https://youtu.be/XLS6kDQuHj0 Nodal Analysis of Electric Circuits Example 2 : https://youtu.be/OFhurvl74bA Nodal Analysis of Electric Circuits ... youtu.be/GmOozdjTVtM Nodal Analysis of Electric Circuits Example 9 : https://youtu.be/KjgfjJ7Ubb8

Description : Explain FSM and concurrent process with example.

Answer : Finite State Machine (FSM): Finite state machine is a machine which have a transition from state to state. The system have some number of states and at a time the system can ... Y seconds. In sequential execution, the processor executes single task which causes poor processor utilization.

Description : Explain the thermal triggering method of SCR. Enlist different triggering methods of SCR.

Answer : Types of Triggering: 1) Forward voltage triggering 2) Thermal triggering (Temperature triggering) 3) Radiation triggering (Light triggering) 4) dv/dt triggering 5) Gate triggering ... generated leakage current increases. This current gets multiplied internally and thyristor is turned on. 

Description : Illustrate with neat wiring diagram a single lamp control by two point method.

Answer : Single lamp control by two point method:  This system is commonly used for stair case wiring. It consists of two way switches (the switch operates always in one of the two possible positions) the ... the person will change the position of switch S2, so that the lamp will be switched OFF'.

Description : Draw and explain vacuum impregnation method of varnishing.

Description : A parallel RLC circuit has the node equation Determine v(t) using the phasor method.

Answer : A parallel RLC circuit has the node equation Determine v(t) using the phasor method.

Description : Describe fire extinguishing method.

Answer : (i) Carbon Dioxide Extinguishing Systems  This type is the most suitable & widely recommended one for electrical fires. Carbon dioxide (CO2) extinguishers are normally Class C ... particles to expand chemically inhibiting combustion and expelling the oxygen thereby smothering the flames.

Description : Draw and explain bulk correction method for power factor & control.

Answer : Bulk correction method for power factor & control: i) Here individual starter controls the capacitors located at distribution panel. ii) Centralized compensation is employed in large industrial plants where many ... capacitor units in steps to maintain P.F. more than preset limit (0.95). 

Description : Explain energy conservation method in lighting system by using installation of separate transformer / servo stabilizer.

Answer : Energy conservation techniques by installation of separate transformer / servo stabilizer: The luminous efficiency of lamps depends upon the voltage applied across the terminals. It gives its best ... the voltage constant in that installation for giving best luminous efficiency of lamps.

Description : Merits of two wattmeter method

Answer : Advantages of Two Wattmeter Method for 3-Phase Power Measurement: 1) It is used for balanced as well as unbalanced load. 2) For the star type load, it is not necessary to ... reactive volt-amperes for balanced loads also. 7) The circuit connections are independent of load connection.

Description : Write one advantage and one disadvantage each for spring control method and gravity control method.

Answer : Advantages of Spring Control Method: 1) The spring-controlled meters may be used in any position. 2) In some instruments, springs can be used as current leads. 3) As springs are light in weight ... only. 2) Scale is non-uniform. 3) Control weights add to the weight of instrument.

Description : State any two disadvantages of one wattmeter method of measurement of 3 phase power.

Answer : State any two disadvantages of one wattmeter method of measurement of 3 phase power. Disadvantages of one wattmeter method:- 1. Only used for balanced load 2. It can not be used for ... connection then neutral point must be available 4. Delta connection must be opened to connect current coil.

Description : With neat diagram explain calibration of energy meter by direct loading method.

Answer : Calibration of Energy Meter by Direct Loading Method:  There are three methods for testing/calibration:  1. Long period dial test  2. Using rotary sub- standard meter  3. Using precision grade instruments  All ... of substandard meter in kWh  Then % error = [(D - DS)/DS] x 100

Description : Explain V- I method of measurement of medium resistance. 

Answer : In this method, use suitable source, ammeter and voltmeter and connect them as shown in the above diagram. Take reading of voltmeter and ammeter, then value of resistance = R = V/I Ω To minimise the error take 4 to 5 observation for the same resistance and take their average.

Description : Explain spring control method with neat diagram.

Answer : Spring Control Method: As shown in the figure the inner ends of the both springs are attahced to the spindle ,while outer end of upper spring is attached to the lever and outer end of ... the springs are twisted in opposite direction to the motion of pointer and produce controlling torque.

Description : List one advantage and one disadvantage of one wattmeter method. 

Answer : Advantages:  1) Only one wattmeter is used.  2) Less number of connections.  3) Cost required is less.  Disadvantages:  1) Used only for 3- Φ balanced load and not for ... be accessible for connecting the Pressure coil.  3) Delta connection must be opened to connect current coil. 

Description : List any four errors in induction type energy meter. Give method of compensation for each.

Answer : Errors in Induction Type Energy Meter with their Compensation:  1) Error due to friction: This error can be compensated by the additional shading band provided on the shunt electromagnet.  2) Phase ... error: This error can be compensated by providing a flux diverter' to the current magnet. 

Description : The self GMD method is used to evaluate

Answer : The self GMD method is used to evaluate inductance and capacitance

Description : The power consumed by a balanced 3-ph load is measured by two-wattmeter method. The meter readings are 8 kW and 4 kW. The power factor of the load is (A) zero (B) 0.5 (C) between zero and 0.5 (D) between 0.5 and unity

Answer : The power consumed by a balanced 3-ph load is measured by two-wattmeter method. The meter readings are 8 kW and 4 kW. The power factor of the load is between 0.5 and unity

Description : The bridge method commonly used for finding mutual inductance is (A) Heaviside Campbell bridge (B) Schering bridge (C) De Sauty bridge (D) Wien bridge

Answer : The bridge method commonly used for finding mutual inductance is Heaviside Campbell bridge

Answer : Plugging braking method can bring the locomotive to dead stop.

Answer : Plugging method of braking is generally used in elevators.

Answer : Regenerative method of braking is based on that back e.m.f. is equal to the applied voltage.

Answer : The main disadvantage of the Ward-Leonard control method is high initial cost, high maintenance cost, low efficiency at light loads.

Answer : For constant torque drive armature voltage control speed control method is preferred.

Answer : Speed control by Ward Leonard method gives uniform speed variation in both directions.

Answer : Annual depreciation as per straight line method, is calculated by the capital cost minus the salvage value, is divided by the number of years of life.

Description : Nodal analysis problems

Answer : Nodal analysis problem 2

Description : The Gauss seidel load flow method has the following disadvantages. Tick the incorrect statement.  A) Unreliable convergence B) Slow convergence C) Choice of slack bus affects convergence D) A good initial guess for voltages is essential for convergence

Answer : The Gauss seidel load flow method has the following disadvantages. Tick the incorrect statement.  A) Unreliable convergence B) Slow convergence C) Choice of slack bus affects convergence D) A good initial guess for voltages is essential for convergence

Description : What is a Gauss Jordan elimination?

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