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What are the applications of electroplating?

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Description : What is the main purpose of electroplating?

Answer : Protecting  reactive  metals  from  corrosion.

Description : Explain process of electroplating. 

Answer : Process of Electroplating:-  A DC current passed through a solution of chemical compound then the solution can be dissociated into its constituent's parts & deposition of metal takes place ... its salt. Again it dissociates & process is continued till pure metal goes into solution. 

Description : With the help of neat diagram. explain the concept and principle used in electroplating. 

Answer : Process of Electroplating:-  A DC current passed through a solution of chemical compound then the solution can be dissociated into its constituent's parts & deposition of metal takes ... its salt. Again it dissociates & process is continued till pure metal goes into solution.

Description : What are ‘Linear actuators’ ? State applications.

Answer : What are ‘Linear actuators’ ? State applications.

Description : What are the applications of electronics?

Answer : Applications of electronics are as follows: a) Communication and entertainment: Telephony, Telegraphy b) Instrumentation & control: CRO, function generator, power supply, digital multimeter, SCR to control ... Machine: Many medical equipment like EEG, MRI, ECG, X-RAY, sonography machines etc

Description : What are the applications of Hall effect?

Answer : Hall effect transducer find application 8n instruments that measure magnetic field with small flux densities.

Answer : The D.C. motors preferred for traction applications beacuse the speed is inversely proportional to the torque and the torque is proportional to square of armature current.

Description : applications of bio-diesel

Answer : 1. It is an alternative fuel formulated exclusively for diesel engines with little or no modification in engines. 2. It is also used as a heating fuel in domestic & commercial boilers. 3. It is used in rocket fuels.

Description : applications of X-rays

Answer : 1. X- rays are used to detect the cracks in the body of aero plane or motor car. 2. X- rays are used to detect the manufacturing defects in rubber tyres or tennis ball in quality control. 3. ... cure diseases like cancer. 11. X - Rays are used to detect bullets position inside the body.

Description : State applications of conduction and radiation.

Answer : Applications of conduction:- 1) Bad conductor of heat is used as insulators. E.g. glass , thermo Cole , sawdust etc. 2) The calorimeters are kept in wooden box. 3) The coils of heavy duty ... . 7. Inactivation of HIV by application of heat radiations. 8. Teapots has bright shining surface.

Description : Give applications of LASER. 

Answer : i) Lasers are used for engraving and embossing of printing plates For example- number plate, name plate etc., ii) Lasers are used in cutting, drilling and welding metals. iii) Lasers are used in ... fiber from one computer to other viii) Lasers are used to find flaws or defect in material. 

Description : State two applications of isolation transformer

Answer : Applications of isolation transformer: i) Isolates the load equipment from supply ground: ii) Reduction of voltage spikes iii) It acts as a decoupling device. iv) Protects loads from harmonic distortion.

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

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 

Description : Types of rolling mills and its applications

Answer : Types of rolling mills and its applications (1) Two-high rolling mill: used in blooming and slabbing mills (2) Three-high rolling mill: used for making plates or sections. (3) Four- ... : This mill is used for rolling stainless steel and other high strength steel sheets of thin gauge.

Description : State the applications of TIG welding.

Answer : The applications of TIG welding are as follows: 1. Mostly used to weld aluminum and aluminum alloys. 2. It is used to weld stainless steel, carbon base alloy, copper base alloy, nickel base alloy etc. 3. It is used to welding dissimilar metals. 4. It is mostly used in aerospace industries.

Description : State the applications of rolling.

Answer : Applications of rolling are as follows: 1. Concrete reinforcing bars. 2. Plates. 3. Wire rods. 4. Sheet and strip. 5. Rails. 6. Piping and tubes. 7. Body panels. 8. Construction materials

Description : State the modification to be done in dc series motor to work satisfactorily as ac series motor. State applications of ac series motor.

Answer : Modifications are necessary in a dc series motor so that it operates satisfactorily on ac supply. The modifications are as follows:  1) AC series motor is built with a few field turns as ... and grinders 5) High speed vacuum cleaners 6) Sewing machines 7) Food processors 8) Drilling machine 

Description : List applications of stepper motor.

Answer : Applications of Stepper Motor: 1) Computer controlled systems 2) Numerical control of machine tools 3) Tape drives 4) Floppy disc drives 5) Computer printers 6) X-Y plotters 7) ... ) Extruders 21) Engravers 22) Analytical and Medical instruments 23) Embroidery Machines 24) Packaging Machines

Description : State suitable single phase motor for following applications: (i) Table fan (ii) Mixers and Grinders

Answer : Application Suitable Single Phase Motor Table Fan 1) Capacitor split phase motor 2) Capacitor start capacitor run motor Mixers and Grinders 1) Universal motor 2) A.C. Series motor

Description : State the applications and specification of (i) Resistor (ii) Capacitor (iii)Inductor

Answer : Application of resistor: 1.Resistors are used in high frequency instrument. 2.Resistor is used in power control circuit. 3.It is used in DC power supplies. 4.Resistors are used ... DC Current  3.Electromagnetic Interference (EMI)  4.Magnetic Saturation Flux Density  5.Curie Temperature 

Description : Write applications of each of the following:(i) Fuse (ii) MCB (iii) MCCB.

Answer : i) Applications of fuse:  * Used in domestic installations to provide short circuit protection.  * Used in commercial / Industrial installations to provide overload and short circuit protection.  * Used in ...  * Rectifiers panels,  * U.P.S, Electronic equipment,  * Motors,  * Furnaces

Description : Write two applications of D.C. series motor. 

Answer : The applications of D.C. series motor: 1. Cranes 2. Hoists 3. Trolley and cars 4. Conveyors 5. For traction work i.e. electric locomotives 6. Elevator 7. Air compressor

Description : Give the applications of IGBT

Answer : 1) AC and DC motor drives 2) SMPS 3) Inverters 4) Choppers 5) Solid-state Relays 6) solid-state Contactors

Description : Applications of Spectrum Analyser

Answer : Applications of Spectrum Analyser are as follows: i) It is used to study the RF spectrum produced in microwave instrument. ii) It is used for testing of RF interference. iii) It is used for measurement ... a parametric amplifier. xi) It is used to measure the modulation index of an AM wave.

Description :  Enlist applications of ‘ROBOT’

Answer : Automobile Industry: Assembly of care engines, Car wheel mounting system  Electronic Industry: Microcircuit assembly and surface mounting.  Nuclear industry and hazardous environments: Fuel handling in nuclear ... Assembly  Machining  Spray coating Die-casting  Coal mining

Description : Write applications of MANET.

Answer : Personal area networking  o cell phone, laptop, ear phone, wrist watch  Military environments  o soldiers, tanks, planes  Civilian environments  o car network  meeting rooms o sports ... o boats, small aircraft  Emergency operations  o search-and-rescue  o policing and fire fighting

Description : Give applications of hair hygrometer. 

Answer : Hair hygrometers are used to measure relative humidity where high precision is not required. Some of the applications are, ii) I) Process industries. iii) Coating industries. iv) Wooden musical instruments. v) Greenhouses. vi) A.C rooms

Description : Applications of Diesel power station

Answer : Applications of Diesel Power Station:  1. It can be used as a standby (emergency) power plant to maintain continuity of supply. (Incase failure of main supply like hospital, Telephone exchange Radio ... 10. Diesel plants are widely used for generating power ranging from 100 to 5,000 H.P. 

Description : State two applications of 1) Shaded pole motor 2) Universal motor

Answer : (i)Applications of Shaded pole motor: 1. Small fans 2. Toy motors 3. Hair dryers 4. Ventilators 5. Electric clocks 6. Record players 7. Motorized valves 8. Gramophones 9. Photocopying ... 5. Portable Drilling Machines 6. Electric Shavers 7. Mechanical computing Machines 8. Machine Tools etc.

Description : List advantages and applications of PLC.

Answer : The advantages of PLC are as follows: 1. Flexible in Nature: One model of PLC can be used for different operations as per requirement. 2. Easy to install and troubleshooting: In hard ... 1.Continuous bottle filling system 2.Batch mixing system 3.stage air conditioning system 4.Traffic control 

Description : List applications of servomotor.

Answer : Applications of Servomotor: 1) Computers 2) Robotics and toys 3) CD/DVD players 4) Textile industries 5) Instrument servos 6) Tracking and guidance system 7) Self-balancing recorders 8 ... 9) Process controllers 10) Electromechanical actuators 11) Air-craft control system 12) Programming device

Description : State any two applications of diesel power plants.

Answer : Applications of Diesel Power Plant: 1. It can be used as a standby (emergency) power plant to maintain continuity of supply. (Incase failure of main supply like hospital, Telephone exchange Radio ... . The diesel units can be used to supply the auxiliaries for starting the large thermal plants.

Description : List out the four applications of diesel electric power plant.

Answer : Applications of Diesel Power Plant: 1. It can be used as a standby (emergency) power plant to maintain continuity of supply. (Incase failure of main supply like hospital, Telephone exchange Radio stations, ... 10. Diesel plants are widely used for generating power ranging from 100 to 5,000 H.P.

Description : List any four applications of function generator.

Answer : Applications of function generator: 1. To test the bandwidth of audio frequency amplifier. 2. Used for troubleshooting of different analog and digital circuits. 3. Acts as source for alignment of receivers 4. For generation of different waves.

Description : List any two applications of CRO.

Answer : Applications of CRO: 1) Measurement of phase and frequency. 2) Measurement of inductance and capacitance. 3) Tracing the waveform. 4) Determination of amplitude of variable quantity. 5) In ... in transmission lines 9) To check faulty components in various circuit 10) For tracing transistor curves

Description : Draw block diagram of function generator. Write applications of function generator.

Answer : Applications of Function Generator: 1. To test the bandwidth of audio frequency amplifier 2. It can produce sine wave, triangle wave, saw tooth wave, even arbitrary waveform. 3. ... for troubleshooting of different analog and digital circuits 7. Acts as source for alignment of receivers.

Description : State any two applications of zener diode.

Answer : Applications of Zener Diode: i) As a voltage regulator. ii) As a fixed reference voltage provider in transistor biasing circuits. iii) As peak clippers or limiters in wave shaping circuits.

Description : Compare between BJT and FET on the basis of (i) Biolar/Unipolar (ii) Tharmal Runaway (iii) Noise (iv) Applications

Answer : Parameter BJT FET Bipolar/Unipolar It is bipolar device i.e. current in this device is carried by electrons and holes. It is unipolar device i.e. current ... in oscilloscopes, electronic voltmeters and other measuring and testing equipment because of their high input impedance.

Description : State the applications of digital electronics.

Answer : 1. The processor, graphics controller are built on principles of digital electronics. 2. In Computers, tablet, displays, LCD/LED TV. 3. mobile/smart phone, , computer ,keyboard, mouse 4. speed/ ... bike/car, various control of the car, 5. ATM machines, credit /debit cards 6. Telephone exchange

Description : Explain the operating principle of LASER and list applications of LASER diode.

Answer : A basic construction of Laser diode is as shown . A PN junction is formed by two layers of doped gallium arsenide. There is highly reflective surface at one end of PN junction and ... 6. laser scanning and light beam illumination. 7. Military applications 8. Medical surgery 9.Diamond cutting

Description : List four applications of LED.

Answer : Applications of LED 1.As a power supply status indicator in electronics instruments 2.In traffic light Indicators. 3.In data displaying boards. 4.In medical applications and toys 5.In optical fiber communications 6.Remote controls

Description : State any two applications of electromagnet.

Answer : Applications of Electromagnet: Cranes, Motors, Generators, Transformers, Electromagnetic Relays, Circuit breakers, Traction, Measuring instruments, Electrical Bell etc.

Description : State two types of inductors and give their applications.

Answer : Types of inductors: i) Air cored inductor ii) Iron cored inductor iii) Ferrite cored inductor Air cored inductor: These are used for high frequency application e.g. Radio sets ... radio receiver, wide band pulse transformers, oscillators, signal generators, high frequency amplifiers, etc. 

Description : State any four applications of transformer.

Answer : The application of Transformer are 1. Transformer is used for stepping up voltage or stepping down voltage. 2. Transformer is used for isolating load from high voltage or high current. 3. Transformer is used as voltage regulator. 4. Transformer used for power transmission and distribution.

Description :  Which of the following is a negative-resistance microwave device for oscillator applications? A) IMPATT Diode B) Gunn Diode C) Snap diode D) Schottky Diode 

Answer :  Which of the following is a negative-resistance microwave device for oscillator applications? A) IMPATT Diode B) Gunn Diode C) Snap diode D) Schottky Diode 

Description : Which of the following motors is being extensively used in servo applications ? A. AC motor B. Field controlled dc motor C. Armature controlled dc motor D. None of these

Answer : Which of the following motors is being extensively used in servo applications ? A. AC motor B. Field controlled dc motor C. Armature controlled dc motor D. None of these

Answer : MOSFET have high current losses due to High on state resistance. Hence MOSFET is used for low power applications.

Description : In an electroplating solution anions are

Answer : In an electroplating solution anions are Negatively charged

Description : State any four applications of three phase circuits.

Answer : The application of three phase circuits are 1. Three phase circuit is used for power transmission over long distances. 2. Three phase circuit can produce rotating magnetic field 3. Three phase ... three phase Motors and Transformers. 4. Three phase circuit is used for power converters circuits.

Description : Explain data transfer mechanism in I2C protocol. Compare it with CAN and USB protocol based on bit rate and area of applications.

Answer : I2C (Inter-Integrated Circuit): I2C stands for Inter-Integrated Circuit. I2C is a serial protocol. It was developed by Philips Semiconductor. I2C bus have two communication lines. One is serial data ( ... Mbps this is used for lower speed devices. Using USB we can connect upto 127 devices.

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