Top 20 questions of power electronics. For explanation of each answer you can watch my video Question 1: A thyristor is basically PNPN device A combination of diac and triac A set of SCRs A set of SCR, diac and a triac Answer: PNPN device Question 2: A silicon controlled rectifier (SCR) is a Unijunction device … Read more
Question 1 The most commonly used semiconductor is ……… Germanium Silicon Carbon Sulphur Answer – Silicon Question 2 The resistivity of a pure silicon is about …………… 100 Ω cm 6000 Ω cm 3 x 105 Ω m 6 x 10-8 Ω cm Answer – 6000 Ω cm Question 3 A semiconductor is formed by ……… bonds. … Read more
Hi all, This is first part of 8051 microcontroller multiple choice questions series. In this MCQ series i have explained top 20 multiple choice questions. If you want to see more questions on 8051 microcontroller then check my next post here. This series will help in competitive exam like UPPCL- JE, SSC JE, RSEB, RRB … Read more
Important 50 Multiple Choice Question based on PLC and SCADA Question 1: What is the full form of SCADA? Supervisory Control and Document Acquisition Supervisory Control and Data Acquisition Supervisory Column and Data Assessment Supervisory Column and Data Assessment Answer: Supervisory Control and Data Acquisition Question 2: DCS is a ______ Distributed Control System Data … Read more
Top 10 Multiple choice questions on Programmable logic controller Question 1: The PLC was invented by. Bill Gates Dick Morley Bill Landis Tod Cunningham Answer: Dick Morley Question 2: The first company to build PLCs was. General Motors Allen Bradley Square D Modicon Answer: Modicon Question 3: Which part of plc monitors the inputs and … Read more
Programmable Logic controller Multiple choice questions Question 1: The type of memory which is fast and temporarily stores the data which are immediately required for use is called as______. a. HDDb. ROMc. RAMd. SSD Answer: RAM Question 2: What is the largest integer number that a PLC counter function can reach if it uses a 16 bit register? a. … Read more
