Recent questions tagged type

asked Jan 2 by anonymous

Explain working of a storage type water cooler with a sketch.

Last answer: The storage type cooler has the evaporator coil soldered on to the walls of the storage tank of the cooler, generally on to the outside surface of the walls. The tank could be of the ... outside at a lower level, much below the lower most evaporator refrigerant tube soildered on to the tank.

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12 views 1 answer

asked May 7, 2020 by anonymous

State two applications of : (i) PVC paper (ii) Porcelain with type of class based on withstand temperature is insulating material.

Last answer: (i) Application of PVC paper : 1. It is used in slot lining or motor winding insulation purpose 2. For Insulation of Transformer winding (ii) Application of Porcelain : 1. Mainly used for manufacturing ... on withstand temperature : * H' & C' Class of insulation i e. 180° and above 180°C

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69 views 1 answer

asked May 7, 2020 by anonymous

State the type of insulating materials under Class Y and Class B.

Last answer: The type of insulating materials under Class Y : 1. Cotton 2. Silk 3. Paper 4. Rubber 5. PVC The type of insulating materials under Class B: 1. Backelite 2. Impregnated varnish 3. Mica 4. Fiber glass 5. Asbestos

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53 views 1 answer

asked May 7, 2020 by anonymous

State advantages of rotating field type alternators.

Last answer: Advantages of Rotating Field Type Alternator: 1) For high-voltage alternator, large space is required to accommodate conductors with insulation, as high voltage is induced in them. If field poles are placed ... is kept rotating. 8) Rotating field is comparatively light and can run with high speed.

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59 views 1 answer

asked Sep 4, 2019 by anonymous

Compare Dual slope DVM and SAR type DVM.

Last answer: Sr no Dual slope DVM SAR type DVM 1 It is highly accurate It is moderately accurate 2 Cost is high It is inexpensive 3 Two comparator is used One comparator is used ... resolution Good resolution 5 Slow speed High speed 6 Less Error More error

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2.2k views 1 answer

asked Sep 4, 2019 by anonymous

operation of ramp type DVM.

Last answer: This is given to an input comparator which will compare two signals and generates the output. One input to the input comparator is from the input and another input is from the ramp. This input voltage and ... ground and output is given. This output will stop the flow of purchase from clock

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145 views 1 answer

asked Sep 2, 2019 by anonymous

operating principle of condenser type microphone with neat diagram.

Last answer: Principle: When sound pressure moves the diapharam in, the capacitance increases, and when it moves out, the capacitance decreases. The change in capacitance results in change in out put voltage of microphone. ... in volts. Q= charge in coulombs C= capacitance in farad Diagram:

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63 views 1 answer

asked Aug 5, 2019 by anonymous

Describe the working principle of photoelectric pickup type tacho-generator.

Last answer: Working: Working principle: The light passes through the holes available on the rotating disc with a specific interval, depends on the angular speed of disc having equidistant holes. The frequency of this light pulses ... by N=f/HS N=speed f=frequency Hs=holes on the disc

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258 views 1 answer

asked Aug 5, 2019 by anonymous

State the use of RADAR type level transducer & list two advantages.

Last answer: Applications of radar type transducer: i) RADAR type level transducer is suitable for large tanks with range upto 200m for level measurement. ii) It is used for continuous level measurement. ... iii) Not affected by corrosive materials. iv) Can be used for hard to handle' applications.

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51 views 1 answer

asked Aug 1, 2019 by anonymous

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

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

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60 views 1 answer

asked Jul 27, 2019 by anonymous

State any four characteristics of core type transformer.

Last answer: Characteristics of core type transformer: i) It has one window. ii) It has one magnetic circuit. iii) Core surrounds the winding. iv) Average length of core is more. v) Area of cross ... Better cooling for winding. vii) Mechnical strength is comparatively less. viii) Repair and maintenance is easy.

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70 views 1 answer

asked Sep 29, 2018 by anonymous

With diagram explain bottoming cycle type of co-generation.

Last answer: Bottoming cycle type of co-generation: i) Bottoming cycle of co-generation system is that in which high temperature heat energy is produced using primary fuels. ii) This heat produced is ... of the system greatly. vii) Bottoming cycles are suitable for cement industries, ceramic factories etc.

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87 views 1 answer

asked Sep 8, 2018 by anonymous

Describe principle of operation of Doppler type ultrasonic flow meter with diagram.

Last answer: Diagram: Working: The flow meter consists of a crystal transducer mounted outside the pipe in which flow is to be measured. This transducer is a piezoelectric crystal which ... , so the frequency of the reflected wave is shifted to particle velocity, according to Doppler principle.

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93 views 1 answer