Freewheeling Diode Working Principle
A Freewheeling diode also called as flyback diode.  The freewheeling diode also called as snubber diode, commutating diode, freewheeling diode, suppressor diode, suppression diode, clamp diode, or catch diode. Its main…
Electronic Devices & Circuits Quiz – Set 4
Instrumentation Tools assists you with a complete guide of objective questions which mainly targets the aspirants of Electrical, Electronics, Communication and Instrumentation engineering Streams to crack the competitive exams and…
Pressure Regulator with Flapper-Nozzle Principle
 Pressure Regulator with Flapper-Nozzle is nothing but a I/P converter. Flapper-nozzle principle: The electromagnetic field changes the space between flapper and nozzle and thus generates a proportional pressure variation. Pic…
Electronic Devices & Circuits Quiz – Set 3
Instrumentation Tools assists you with a complete guide of objective questions which mainly targets the aspirants of Electrical, Electronics, Communication and Instrumentation engineering Streams to crack the competitive exams and…
Relay Latching Circuit using Push Button
We will go with step by step : Step 1:- When we press push button, relay should be on, It means we use Normally Open type push button because when…
Electronic Devices & Circuits Quiz – Set 2
Instrumentation Tools assists you with a complete guide of objective questions which mainly targets the aspirants of Electrical, Electronics, Communication and Instrumentation engineering Streams to crack the competitive exams and…
Electronic Devices & Circuits Quiz – Set 1
Instrumentation Tools assists you with a complete guide of objective questions which mainly targets the aspirants of Electrical, Electronics, Communication and Instrumentation engineering Streams to crack the competitive exams and…
Electrical Machines Objective Questions
Electrical Machines Questions & Answers 1. Magnetic Circuits Principle of Energy Conversion Excited Magnetic Systems 2. Basic Concepts in Rotating Machines Reluctance Motor Doubly Excited Magnetic Systems Elementary Synchronous Machines…
Pressure to Current (P/I) Converter Principle
We can construct a pressure to current converter using a Flapper- Nozzle arrangement , Bellows and a Linear Variable Differential Transformer (LVDT) circuit. Input pressure is given to Flapper-Nozzle arrangement…
Pressure Transmitters Leg Compensation Technique
Alternative to Pressure Transmitters Leg Compensation An alternative to using a compensating leg to subtract gas pressure inside an enclosed vessel is to simply use a second pressure transmitter and…