50 Important Instrumentation technician interview questions Hindi

In This post, we will Instrumentation technician interview questions and answers in Hindi. ye questions instrumentation technicians ke saath saath instrumentation engineers ke liye bhi helpful hone vale hain.

Question 1: Instrumentation technician ka kaam kya hota hai?

Answer: Instrumentation technician ki mukhya zimmedari electronic instruments aur devices ke installation, maintenance aur repair ka kaam hota hai.

Question 2: Thermocouple aur RTD mein kya antar hai?

Answer: Thermocouple ek type ka temperature sensor hota hai jo heat aur electricity ke beech ke thermal effect ka use karta hai, jabki RTD (Resistance Temperature Detector) electrical resistance ka use karta hai.

Question 3: PID controller ka matlab kya hai?

Answer: PID controller ka matlab hota hai Proportional-Integral-Derivative controller, jo ek feedback control system mein istemal hota hai.

Question 4: Pressure transmitter kya hota hai aur kaise kaam karta hai?

Answer: Pressure transmitter ek device hota hai jo fluid pressure ko measure karta hai aur electrical signal mein convert karta hai.
Ye signal phir control room mein display hota hai ya process ko control karne ke liye use hota hai.

Question 5: Kisi bhi process control system mein feedback loop ka kya role hota hai?

Answer: Feedback loop process control system mein current ya present condition ka feedback provide karta hai aur desired condition ko achieve karne ke liye necessary adjustments ko karta hai.

Question 6: Control valve aur on-off valve mein kya antar hai?

Answer: Control valve process ke flow ko regulate karne ke liye use hota hai, jabki on-off valve sirf flow ko full open ya full close karne ke liye istemal hota hai.

Question 7: Transducer aur transmitter mein kya anter hai?

Answer: Transducer ek device hota hai jo ek form of energy ko dusre form mein convert karta hai, jabki transmitter ek specific signal ko ek jagah se dusre jagah bhejta hai.

Question 8: PLC kya hai aur uska use kis tarah hota hai?

Answer: PLC yaani “Programmable Logic Controller” ek digital computer hai jo industrial automation mein use hota hai machines aur processes ko control karne ke liye.

Question 9: HART communication protocol kya hai?

Answer: HART (Highway Addressable Remote Transducer) ek communication protocol hai jo industrial field devices ko digital aur analog signals ke saath connect karta hai.

Question 10 : Instrumentation technician ka kaam kya include karta hai?

Answer: Instrumentation technician ka kaam flow measurement, calibration, process monitoring aur instrumentation systems ke troubleshooting jaise tasks ko bhi include karta hai.

Question 11: SCADA kya hai?

Answer: SCADA (Supervisory Control and Data Acquisition) ek system hai jo industrial processes aur infrastructure ko monitor aur control karne ke liye use hota hai.

Question 12 : Safety instrumented system kya hai?

Answer: Safety instrumented system ek critical industrial process ko monitor karta hai aur emergency situations mein usme safety measures apply karta hai.

Question 13 : Instrumentation technician ko electrical systems ka kitna gyaan hona chahiye?

Answer: Instrumentation technician ko basic electrical principles aur circuits ko samajhne ke liye sufficient knowledge honi chahiye.

Question 14: Signal conditioning ka kya matlab hai?

Answer: Signal conditioning ek process hai jisme raw signal ko process ke requirements ke according modify kiya jata hai, taki use accurate measurements ke liye use kiya ja sake.

Question 15 : Control loop tuning kya hai?

Answer: Control loop tuning ek process hai jisme PID controller ke parameters ko adjust kiya jata hai taki system ka response stable aur desired ho.

Question 16 : Deadband kya hota hai?

Answer: Deadband ek range hoti hai jisme control output change nahi hota jab input value us range ke andar rehti hai.

Question 17 : Instrumentation technician ko safety regulations aur standards ke bare mein kyon pata hona chahiye?

Answer: Instrumentation technician ko safety regulations aur standards ke bare mein pata hona zaroori hai taki unki kaamkaj mei safety ka dhyaan rakh sakein aur accidents ko prevent kar sakein.

Question 18: SCADA system mein data communication kaise hoti hai?

Answer: SCADA system mein data communication usually wired (jaise ki Ethernet) ya phir wireless (jaise ki radio frequency) ke through hoti hai.

Question 19 : DCS kya hai?

Answer: DCS (Distributed Control System) ek industrial control system hota hai jisme multiple control loops ko ek central system se manage kiya jata hai.

Question 20: Instrumentation technician field instruments ke liye calibration kyun karte hain?

Answer: Field instruments ko calibration se ensure kiya jata hai ki unki readings accurate hain aur ve sahi performance de rahe hain.

Question 21: Multimeter ka use kya hai aur iski working kaise hoti hai?

Answer: Multimeter ek electronic instrument hota hai jo voltage, current aur resistance ko measure karta hai.
Iska use circuits aur devices ke troubleshooting mein hota hai.

Question 22: 4-20 mA current loop ka kya matlab hai?

Answer: 4-20 mA current loop ek standard hai jisme 4 mA current minimum value ko represent karta hai aur 20 mA current maximum value ko.

Question 23: Control valve ka calibration kyun zaroori hai?

Answer: Control valve ka calibration zaroori hai taki uski position aur flow control accuracy ko maintain kiya ja sake.

Question 24: Load cell kya hai aur kis tarah kaam karta hai?

Answer: Load cell ek sensor hota hai jo force ya load ko measure karta hai, jaise ki weighing scale mein use hota hai.

Question 25: Instrumentation technician ko P&ID (Piping and Instrumentation Diagram) samajhna kyun zaroori hai?

Answer: P&ID ek blueprint hoti hai jo process flow aur instrumentation ko represent karti hai, technician ko isko samajhna zaroori hai taki sahi instruments ko identify aur troubleshoot kiya ja sake.

Question 26: Control system mein open-loop aur closed-loop ka kya antar hai?

Answer: Open-loop control system mein output ko control karne ke liye feedback ka use nahi hota, jabki closed-loop control system mein feedback ka use hota hai.

Question 27: Instrumentation technician ko PLC programming aani chahiye?

Answer: Haan, PLC programming ka knowledge instrumentation technician ke liye bahut helpful hai, kyunki kai processes ko control karne mein PLC ka istemal hota hai.

Question 28: Zero suppression aur zero elevation kya hai?

Answer: Zero suppression mein instrument ka zero point adjust kiya jata hai taki uska measurement range chhota ho jaye, jabki zero elevation mein zero point increase kiya jata hai taki measurement range badh
jaye.

Question 29: Instrumentation technician ko process control loops ko troubleshoot karne ke liye kin techniques ka istemal karna chahiye?

Answer: Process control loops ko troubleshoot karne ke liye technician ko root cause analysis aur logical reasoning ka istemal karna chahiye.

Question 30: Instrumentation technician ka safety equipment ka istemal kyon zaroori hai?

Answer: Safety equipment ka istemal karke technician apni safety ko ensure karte hain, jaise ki helmet, safety glasses, gloves, aur ear protection.

Question 31: Thermocouple ka calibration kaise kiya jata hai?

Answer: Thermocouple ka calibration usually reference temperature points ko use karke kiya jata hai jaise ki ice point (0°C) aur boiling point of water (100°C).

Question 32: HART communication protocol ka use kis tarah se hota hai?

Answer: HART protocol mein digital data ko analog signal ke sath combine kiya jata hai, jisse instrument ko control room se configure aur monitor kiya ja sake.

Question 33: Electrical isolation kya hai aur instrumentation mein iska kya role hota hai?

Answer: Electrical isolation ek technique hoti hai jisme electrical signals ko ek dusre se alag rakha jata hai taki interference aur safety issues ko avoid kiya ja sake.

Question 34: Instrumentation systems ke liye calibration standards kya hai?

Answer: Instrumentation systems ke liye calibration standards usually NIST (National Institute of Standards and Technology) aur ISO (International Organization for Standardization) dwara define kiye gaye hote hain.

Question 35: Pressure transmitter aur pressure gauge mein kya antar hai?

Answer: Pressure transmitter electrical signal output provide karta hai, jabki pressure gauge mechanical display deta hai.

Question 36: SCADA system mein alarms ka kya role hota hai?

Answer: SCADA system mein alarms emergency situations ko identify karte hain aur operators ko notify karte hain taki unhe jald se jald action lena ho sake.

Question 37: Process automation aur process control mein kya antar hai?

Answer: Process automation mein processes ko automatic karte hain, jabki process control mein unke parameters ko monitor aur adjust karte hain.

Question 38: Instrumentation technician ko loop diagrams aur control strategies samajhne ke liye kya karna chahiye?

Answer: Loop diagrams aur control strategies ko samajhne ke liye technician ko P&ID aur technical documents ka use karna chahiye.

Question 39: Electrical aur electronic devices ke beech kya antar hai?

Answer: Electrical devices electricity se direct kaam karte hain, jabki electronic devices electricity ke use se electric current ka control karke kaam karte hai

Question 40: SCADA aur DCS mein kya antar hai ?

Answer: SCADA ek supervisory system hota hai jo processes aur systems ko monitor karta hai, jabki DCS ek control system hota hai jo processes ko direct control karta hai.

Question 41: Process control loops ko optimize kaise kiya jata hai?

Answer: Process control loops ko optimize karne ke liye PID parameters ko tune kiya jata hai aur lagging ya leading effects ko handle kiya jata hai.

Question 42: Instrumentation technician ko software aur programming languages ka kitna gyaan hona chahiye?

Answer: Instrumentation technician ko PLC programming languages (jaise ki ladder logic) aur HMI (Human Machine Interface) software ka basic gyaan hona chahiye.

Question 43: Load cell ki calibration kaise hoti hai?

Answer: Load cell ki calibration usually known weights ka use karke kiya jata hai taki uski readings accurate ho.

Question 44: Signal interference kya hota hai aur isko kaise roka jata hai?

Answer: Signal interference mein undesired signals instrument ke measurement ko affect karte hain. Isko rokne ke liye electrical isolation aur proper grounding ka istemal hota hai.

Question 45: Control valve positioner kya hota hai aur iska kaam kya hai?

Answer: Control valve positioner ek device hota hai jo control valve ke actuator ko adjust karta hai taki valve ki position aur flow control accuracy improve ho.

Question 46: Instrumentation technician ko field instruments ke liye maintenance schedule kaise taiyaar karna chahiye?

Answer: Field instruments ke liye maintenance schedule taiyaar karne ke liye unke manufacturer ke guidelines aur equipment performance ko consider karna chahiye.

Question 47: Pressure safety valve (PSV) ka kya role hota hai?

Answer: Pressure safety valve process mein excessive pressure ko release karta hai taki equipment ya process ki safety ensure ki ja sake.

Question 48: Instrumentation technician ko troubleshooting ke liye kya approach rakhna chahiye?

Answer: Troubleshooting ke liye technician ko systematic approach rakhna chahiye, jisme problem ke root cause ko identify karne ke liye step-by-step process follow kiya jaye.

Question 49: Instrumentation technician ko electrical hazards se bachne ke liye kya precautions lene chahiye?

Answer: Electrical hazards se bachne ke liye technician ko energized circuits ke saath kaam karne se bachna chahiye, aur safety equipment ka istemal karna chahiye.

Question 50: Instrumentation technician ki growth aur career progression kaise ho sakti hai?

Answer: Instrumentation technician apne skills aur experience ko enhance karke higher positions mein move kar sakte hain jaise ki senior technician, supervisor, ya phir project management roles. Iske liye additional certifications aur continued learning ka bhi istemal kiya ja sakta hai.

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