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What is an electronic controller?

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Description : What is an electronic design?

Description : What is Electronic Systems Engineering?

Description : What is electronic circuit design?

Description : What is the purpose of auxiliary controller in substation?

Answer : The systems of substation auxiliaries ensure operation of substations providing internal consumers of substations with operating direct and alternating currents. Any breakdown (loss) of auxiliary systems ... whole substation, as well as serious problems during its subsequent putting into operation.

Description : Temperature controller using SCR

Answer : Temperature controller using SCR The temperature control circuit is used to regulate the temperature. Figure shows the temperature control circuit using thermostat as temperature detector and SCR as ... half-cycle and heater gets connected to source to produce heat and raise the temperature.

Description : Define Integral controller. State their advantages

Answer : Advantages of integral control action: 1) Improves steady state response 2) Removes offset error in the process variable. 3) Eliminates steady state error

Description : When to select P-I controller? Give any two application of P-I controller.

Answer : Selection of P-I controller:  The PI mode of controller is commonly selected for slow-to- moderate speed processes.  Fast response of the system is not required.  Large disturbances and ... an issue.  As a adaptive controller for flow process.  Real time pressure control process.

Description : Draw and explain pneumatic proportional controller.

Answer : Explanation : Basic : Proportional control is one in which the process input is change in direct proportion to the error(t) controls the output so that the manipulated variable and the error has proportional relation. ... the MV and SP reference value called as error Given as :  Error = SP - MV

Description : A Unified Power Flow Controller (FACTS controller) is a voltage source converter based (A) Inter-phase power controller (B) Static Compensator (C) Combination of series and shunt compensators (D) Solid-state series compensator

Answer : A Unified Power Flow Controller (FACTS controller) is a voltage source converter based Combination of series and shunt compensators

Description : Explain three phase half wave controller or three phase unidirectional controller.

Answer : Three phase half wave controller or unidirectional controller:

Description : Explain Three Phase Bidirectional Delta Connected Controller.

Answer : Three Phase Bidirectional Delta Connected Controller:

Description : Explain the principle of ON-OFF control and phase control of AC voltage controller with suitable circuit and waveforms.

Answer : The integral cycle control (on-off control) and phase angle control are the two types of AC voltage controller. The principle of ON-OFF control: The on-off control is also called an integral cycle ... control. In phase control, the switch is on for some period of each cycle.  

Description : Explain three phase full wave controller.

Answer : Three phase full wave controller: Three phase full wave controller is also called as the three-phase bidirectional controller. Let the load is star connected so at each phase there are antiparallel connected SCRs. ... conduct at the same time and the third phase will be open.

Description : Explain Keypad controller.

Answer : Keypad Controller: It's a device which interfaces between the computer and keyboard. That is a input device and used for transfer the data to connected device.

Description : What are the types of electronic communication?

Description : What is the definition of electronic communication?

Description : State two types of Electronic dimmer.

Answer : Two types of electronic dimmers are: 1) S.C.R. operated dimmer 2) Triac operated dimmer 

Description : Power Electronic Devices

Description : Describe the process of photo emission. State the application of photo emission in electronic components

Answer : Process of Photoemission:when light of appropriate frequency and intensity is incident upon a surface of certain materials,the energy of light is given to electrons to leave the surface of metal ... photo tubes are used in door openers,counters, position and temperature control and colour analysis 

Description : Blackt Electrotech 230V 24x7 Energy Saving Socket Type Digital Programmable Plastic Electronic Timer (White)

Answer : Buy from amazon: https://amzn.to/2SUTSdv Buy: http://bit.ly/2ZqlAkS

Description : The first digital electronic computer was built in the year________  A. 1950 B. 1960 C. 1940 D. 1930

Answer : The first digital electronic computer was built in the year 1940 

Description : Draw a block diagram of electronic energy meter. Write function of each block.

Answer : Electronic Energymeter  Functions of components/blocks: - CT reduces current to reasonable value for current scaling network. - Voltage & current scaling networks reduce proportionally the voltage ... ADC converts the square wave frequency analog output to display the energy in watthour.

Description : Draw and describe working of electronic energy meter.

Answer : working of electronic energy meter:- 1. CT reduces current to reasonable value for current scaling network. 2. Voltage & current scaling networks reduce proportionally the voltage & ... The ADC converts the square wave frequency analog output to display the energy in watthour. 

Description : Enlist the different modes of operation of electronic counters and explain any two modes in details.

Description : Electronic Counter

Answer : Electronic Counter Electronic counter counts the number of pulses in a given time. Electronic counter is made from cascade flip-flops. It is use to store or display counting. Some counter is use ... BCD counter counts from 0000 (0) to 1001 (9). Johnson counter is the twisted ring counter.

Description : what is UPFC?

Answer : UPFC stands for unified power flow controller.  It's used for real time control & dynamic compensation of ac transmission system.

Description : Draw and explain electronic PID controller.

Answer : Diagram :

Description : What is the difference between an ECU and an ECM?

Description : What is dataflow model?

Answer : Dataflow model: In dataflow model, all nodes may execute concurrently. The figure shows the dataflow models. Dataflow models consist of processes.

Description : What is digital circuit design?

Description : In relation to embedded Linux how TCP/IP networking is done? Explain network configuration.

Description : Is FPGA a volatile device?

Answer : Yes, FPGA is a volatile device.

Description : A DMA controller transfers 32-bit words to memory using cycle Stealing. The words are assembled from a device that transmits characters at a rate of 4800 characters per second. The CPU is fetching and executing instructions at an average ... of the DMA transfer? (A) 0.06% (B) 0.12% (C) 1.2% (D) 2.5%

Answer : Answer: B

Description : An aspect of Input/Output controller of data logic is called (1) General Buffering (2) Zero Buffering (3) Buffering (4) Data Buffering

Answer : Buffering

Description : Explain how a Programmable Logic Controller (PLC) is different from an ordinary personal computer. Also write the advantages and disadvantages of PLC.

Answer : PLC PC 1 It has embedded processor with limited computing power It has a CPU with high computing power  2 Design of PLC is for reliable operation in industrial ... 3) Use of PLCs may be restricted in some high heat, vibration environment not suitable for electronic circuit

Description : A controller essentially is a/an   (a) Amplifier (b) Sensor (c) Comparator (d) Clipper  

Description : An automatic power factor controller cannot achieve   (a) Voltage control (b) kVAR control (c) kW control (d) pf control 

Description : What are the three elements of a bipolar transistor? Are they the: w) grid, plate, cathode x) suppressor, deflector, target y) energizer, controller, terminus z) emitter, base, collector

Answer : ANSWER: Z -- EMITTER, BASE, COLLECTOR

Description : If stability error for step input and speed of response be the criteria for design, what controller would you recommend (1) P controller (2) PD controller (3) PI controller (4) PID controller

Answer : If stability error for step input and speed of response be the criteria for design, what controller would you recommend (1) P controller (2) PD controller (3) PI controller (4) PID controller

Description : A digital signature is required (i) to tie an electronic message to the sender's identity (ii)for non repudiation of communication by a sender (iii) to prove that a message was sent by the sender in a court of law (iv) in all ... a. i and ii b. i, ii, iii c. i, ii, iii, iv d. ii, iii, iv

Answer : b. i, ii, iii

Description : A digital signature is a. a bit string giving identity of a correspondent b. a unique identification of a sender c. an authentication of an electronic record by tying it uniquely to a key only a sender knows d. an encrypted signature of a sender 

Answer : c. an authentication of an electronic record by tying it uniquely to a key only a sender knows

Description :  ___ is an open source electronic platform based on easy to used hardware and software. A. Arduino B. Uno C. Raspberry Pi D. Node

Answer : A. Arduino 

Description : Which of the following is not an example of a “small-scale embedded system”? A. Electronic Barbie doll B. Simple calculator C. Cell phone D. Electronic toy car

Answer : C. Cell phone 

Description : Embedded system is______ A. An electronic system B. A pure mechanical system C. An electro-mechanical system D. (A) or (C)

Answer : D. (A) or (C) 

Description : The managers of a multinational company are located in France, India, Brazil, and the United States. Which decision-making technique seems most reasonable for this organization? (a) A postal service interaction ; (b) A brainstorming session ; (c) A nominal discussion (d) An electronic meeting 

Answer : (d) An electronic meeting

Description : Which group of elements have an outer electronic configuration of S-2-P-6?

Answer : ANSWER: NOBLE GASES

Description : Which of the following groups of elements have an OUTER ELECTRONIC configuration of S-2-P-2? w) halogens x) Nitrogen-Phosphorus Group y) Carbon-Silicon Group z) Boron-Aluminum Group

Answer : ANSWER: Y -- CARBON-SILICON GROUP

Description : In a certain electronic circuit the output is positive if input 1 is positive and input 2 is zero. If both inputs are positive the output is zero. This is: w) an AND circuit x) a NOR circuit y) an OR circuit z) a high-pass filter

Answer : ANSWER: Y -- AN OR CIRCUIT

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