This set of Instrumentation Transducers Multiple Choice Questions & Answers (MCQs) focuses on “Dataloggers”.
1. Which of the following is not correct for data loggers?
a) Portability
b) Battery less
c) Small
d) All of the mentioned
View Answer
Explanation: Data loggers are powered from an external source and they require a battery.
2. Data loggers contains microprocessor.
a) True
b) False
View Answer
Explanation: Data loggers are small battery powered devices containing a microprocessor.
3. Data loggers need external memory for storage.
a) True
b) False
View Answer
Explanation: Data loggers are devices which are equipped with internal memory.
4. Which of the following devices are similar to electronic data loggers?
a) Chart recorders
b) Flip flop
c) Memory
d) None of the mentioned
View Answer
Explanation: Electronic data loggers are similar to and possibly replaced chart recorders.
5. Which of the following protocol allow the instrument to connect to a data logger?
a) SDI-10
b) SDI-12
c) SAI-10
d) SAI-12
View Answer
Explanation: SDI-12 protocol allows the instrument to connect to data loggers.
6. Which of the following statement is false?
a) All data loggers are data acquisition system
b) All data acquisition systems are data loggers
c) Data logger and Data acquisition systems are same is operation
d) All of the mentioned
View Answer
Explanation: All Data logger systems are data acquisition system, but all data acquisition systems are not necessarily data loggers.
7. Data logger system have _______________
a) Slow sampling rate
b) Fast sampling rate
c) Unpredictable sampling rate
d) None of the mentioned
View Answer
Explanation: Data logger system have a slow sampling rate and 1Hz of sample rate may be considered to be very fast for a data logger.
8. Which of the following is correct for data loggers?
a) Simple single channel instrument
b) Medium channel instrument
c) Complex multiple channel instrument
d) All of the mentioned
View Answer
Explanation: Data loggers may vary from simple single channel instruments to complex multiple channel instruments.
9. Device for monitoring various electrical activity of cardio vascular system is ________________
a) Diagnostic trouble coder
b) Holter monitor
c) Cardio event decoder
d) Electronic health logger
View Answer
Explanation: Holter monitors are used for monitoring various electrical activity of cardio vascular system.
10. Data logger deals with __________________
a) Digital signals
b) Analog signals
c) Both digital and analog signals
d) None of the mentioned
View Answer
Explanation: Data loggers generally deals with digital signals and ADC is essential for conversion.
Sanfoundry Global Education & Learning Series – Instrumentation Transducers.
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