Measuring instrument specifications Fundamental MCQ
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*************What You Will Learn****************************
This Practice test provides the baseline information you need to interpret and explain the specifications provided in product data sheet (PDS). The important questions, Answers with explanations are organized for :
The importance of specifications
What is instrument specifications
Categories of instrument specifications
Correctly interpreting specifications
Importance and function of product data sheets (PDSs) and of instrument data sheets
What is physical specifications
How physical specifications may impact instrument selection such as:
Construction materials (wetted and nonwetted parts)
Mounting and fill fluid considerations for vacuum service
What is functional specifications
What is span upper range limit (URL), lower range limit (LRL), upper range value (URV), and lower range value (LRV)
Rangeability and turndown, Minimum span, Maximum span, Maximum turndown
Effects of process and ambient temperature on instrument function
line pressure limit, overpressure limit, proof/burst pressure
Environmental limit considerations
How electrical factors may impact instrument selection.
Output signal options for two-wire, three-wire, and four-wire transmitters
Function of a failure mode alarm
❑ Reference accuracy and reference conditions
• Zero error, Span error, Total error, Turndown error, Systematic error
❑ How following can impact total performance, stability performance, and/or dynamic response performance:
• Ambient temperature effect
• Line pressure effect
• Vibration effect
• Power supply effect
• RFI/EMI effect
• Mounting position effect
• Load effect
• Overpressure effect
❑ Learning importance of the terms :
❑ Importance of stability
Approvals and certifications
❑ Hazardous area Classification, groups and zones
❑ IPAL & ATEX, NEMA and IEC enclosure ratings
❑ Ignition sources and combustible materials
❑ Protection methods
❑ Purpose and benefits of an intrinsically safe installation
❑ Use references to find material classifications for a given substance
❑ Protection and agency codes associated with the instruments
❑ IInstallation practices for CENELEC and FM explosion-proof installations
❑ NEC guidelines to follow for explosion-proof, intrinsically safe, and sealing applications
After completing this Practice test, you will be able to use instrument specifications to choose a process measurement solution that is efficient, accurate, and serviceable for the application in which it will be used.
***** I Hope you will Enjoy Learning & find Quiz very useful. *****************
Enroll today start learning. "Keep Learning, Keep Growing"
Who this course is for:
- Learners Who are preparing for JOB interview and preparing for Competitive Exam or for their next level job.
A Graduate Instrument Engineer with 18+ years of experience in Erection, Pre-Commissioning, Commissioning & Maintenance of instrumentation & control systems in Oil & Gas process plants and Well-pads.
Having experience in Installation, Commissioning, Maintenance & Troubleshooting of Building F&G System, Field F&G System, DCS, PLC, SCADA & Emergency shut down system.
Installation, Commissioning & Maintenance of Wireless instrumentation and Wireless communication for Remote Oil & Gas Wellhead monitoring.