Recent questions tagged block

Description : How to Install Glass Block Windows

Last Answer : How to Install Glass Block Windows In some rooms, like bathrooms and dark areas of the house, natural light looks great, so instead of regular windows, many people use glass block windows in various styles ... glass block windows.If you do it yourself using these steps, you can save a lot of money!

Description : How to Repair an Engine Block

Last Answer : How to Repair an Engine Block For a motor enthusiast, one of the worst things that can happen is a cracked or broken engine block. While a person with a new or used car only a few years ... require you to insert some type of sealant or epoxy. Not all metal stitching kits require this added feature.

Description : Which is better, brick or foam block?

Last Answer : Which is better, brick or foam block? Ideal materials for construction, or at least having an undoubted advantage over others, have not yet been invented. Both the brick and the foam ... risk of getting low-quality building material can be attributed to the general disadvantage of foam blocks.

Description : Draw the labeled block diagram of process control system and explain each block.

Last Answer : Explanation - Process control system consists of process or plant, sensor, error detector, automatic Controller, actuator or control element. 1) Process or plant- process means some manufacturing sequence ... process which changes the process variable. Output of this block is denoted by u .

Description : Draw the block diagram of PLC.

Last Answer : Block diagram of PLC and input/output devices used for PLC Input/output devices - The input module has bank of terminals for physically connecting input devices, like push buttons, limit switches etc. ... is to translate signals from the PLC's CPU into a form that the output device can use.

Description : Draw the block diagram of regulated power supply, explain function of each block and draw waveforms of each stage.

Last Answer : 1. A step down transformer 2. A rectifier 3. A filter 4. A regulator Operation of Regulated Power Supply:- Step Down Transformer:- A step down transformer will ... regulator. A regulator will maintain the output constant even when changes at the input or any other changes occur.

Description : What is PLL? Explain its operation with a block diagram.

Last Answer : PLL - A phase-locked loop or phase lock loop is a control system that generates an output signal whose phase is related to the phase of an input signal Block diagram  ... to the input frequency. The phase - locked loop goes through three states free running capture and phase lock.

Description : Draw block diagram of PLL as a FM demodulator. Explain function of each block.

Last Answer : Operation:  The FM signal which is to be demodulated is applied at the input of the PLL.  the PLL is locked to the FM  The error voltage produced at ... using PLL ensures a high Linearity, between the instantaneous input frequency and VCO control voltage (error amplifier output)

Description : Block Diagram of op-Amp

Last Answer : Block Diagram: The OP-AMP is basically a different amplifier i.e. it will amplify the voltage which is differentially present between its input terminals.  1.Input stage: The ... normally a complementary output stage. It increases the OPAMP. It also provides a low output resistance. 

Description : block diagram of logic analyzer.

Last Answer : A logic analyzer can be triggered on a complicated sequence of digital events, then capture a large amount of digital data from the system under test (SUT).When logic analysers first came ... Once the data are captured, they can be displayed several ways, from the simple) to the complex 

Description : operation of DSO with block diagram.

Last Answer : The input is amplified and attenuated with input amplifiers. The output of the input signal amplifiers feeds an analog to digital converter (ADC). There are numbers of ADC available. But the selection of ADC ... view the display on the CRT, the data from memory is reconstructed in analog form.

Description : Draw block diagram for CNC drilling machine and explain its working.

Last Answer : Block diagram consist of the following points:  Machine tool with DC servo motor as feedback element. The transducer is added as adaptive control application.  The auxiliary controller ... line.  The interrupt pulses are generated by TBG and supplied to computer through inter

Description : Draw the block diagram of satellite sub-system and explain power subsystem.

Last Answer : POWER SUBSYSTEM- This system provides the necessary DC power to the satellite. All communication satellites derive their electrical power from solar cells. There is also a battery backup facility used during ... . to d.c. converter is used to raise the level of low voltages to high voltage.

Description : Draw neat block diagram of FM receiver and explain function of each block

Last Answer : Explanation:-  RF amplifier: There are two important functions of RF amplifier: 1) To increase the strength of weak RF signal. 2) To reject image frequency signal. In FM ... FM broadcast, the maximum modulating frequency is 15 kHz. Hence the audio amplifier must have large bandwidth.

Description : Describe block diagram of digital comparator and write truth table of 2 bit comparator.

Last Answer : Digital comparator is a combinational circuit which compares two numbers, A and B; and evaluates their relative magnitudes. The outcome of the comparison is given by three binary variables which indicate whether A ... Depending on the result of comparison one of these outputs will go high.

Description : Draw the block diagram of basic wind energy conversion system and write function of each block. 

Last Answer : Block diagram of basic wind energy conversion system: OR Components of wind power plant and their functions:  1) Rotor /Blade/Aero-turbine: Blade extracts significant power from the ... stronger and smoother. Towers are supports to raise the main part of the turbine up in the air.

Description : Explain with block diagram photovoltaic power generation.

Last Answer : Photovoltaic power generation:  Photovoltaic power generating system consists of following components: 1. Photovoltaic cell panel: Its function is to convert energy content of sunrays directly into DC ... . Step-up transformer: It step-up input voltage to utilization voltage e.g. 230V.

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

Last 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.

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