3
Which of the following statements are true regarding recording devices?
Statement 1 : Recording devices capture and store data over time, providing a graphical representation of the measured
variables
Statement 2 : Chart recorders are mechanical devices that use pens to draw on paper charts to record data.
Statement 3 : Data loggers are electronic devices capable of recording and storing data digitally for later analysis
Statement 4 : Strip chart recorders are suitable for applications where continuous monitoring and real-time data display are
essential
EXPLANATION
Process Indicators & Data Recorders
- Data Recording Instrumentation in Process Engineering:
- Statement 2: True; classic chart recorders use mechanical galvanometer pens on paper rolls.
- Statement 3: True; data loggers sample sensor signals and store digital data in non-volatile memory.
- Statement 4: True; strip chart recorders provide continuous real-time visual process history (e.g., HTST milk pasteurization charts).
- Conclusion: 2, 3, 4 ONLY (Option 1).
Correct option: (1) 2,3,4 ONLY
Explanation not matching this question?
क्या व्याख्या इस प्रश्न से मेल नहीं खा रही?
Report
Want to practice this paper in exam conditions?
क्या आप परीक्षा जैसे माहौल में अभ्यास करना चाहते हैं?
Test yourself in 5-question batch format with timer and hidden answers.
5-प्रश्नों के बैच फॉर्मैट, टाइमर और छिपे उत्तरों के साथ खुद को परखें।
Start Practice Mode →
प्रैक्टिस टेस्ट मोड शुरू करें →