WorksheetsQUIZ 2
Total questions: 21
Worksheet time: 1hrs 5mins
It is the process of comparing a measurement device or instrument with known standard to determine its accuracy and adjust it if necessary.
(a)
The purpose of calibration is to ensure that the measurement device or instrument provides accurate and reliable measurements.
TRUE
FALSE
If the calibrated instruments and sensors are utilized in identical environmental conditions to those under which they were not calibrated, calibration ensures that the measuring accuracy of all instruments and sensors employed in a measurement system is known over the whole measurement range.
TRUE
FALSE
Instrument calibration has to be (a) at prescribed intervals because the characteristics of any instrument change over a period.
Determination of the frequency at which instruments should be calibrated is independent of several factors that require specialist knowledge.
TRUE
FALSE
A proper course of action must be defined that describes the procedures to be followed when instrument is found to be out of calibration.
TRUE
FALSE
Give two examples of Control of Calibration Environment.
THIS WILL ENABLE BETTER ENVIRONMENTAL CONTROL TO BE APPLIED IN THE CALIBRATION AREA AND WILL ALSO OFFER BETTER PROTECTION AGAINST UNAUTHORIZED HANDLING OR USE OF CALIBRATION INSTRUMENTS.
(a)
The calibration facilities provided within the instrumentation department of a company provide the first link in the (a) .
The instrument used for calibrating working standard instruments is known as a secondary reference standard.
TRUE
FALSE
(a) instruments are kept by the instrumentation department of a company solely for calibration duties, and for no other purpose.
WHEN THE WORKING STANDARD INSTRUMENT HAS BEEN CALIBRATED BY AN AUTHORIZED STANDARDS LABORATORY, A (a) WILL BE ISSUED
GIVE AT LEAST 5 INFORMATION YOU WILL SEE IN CALIBRATION CERTIFICATE.
ALL OF THE ELEMENTS IN THE CALIBRATION CHAIN MUST BE KNOWN SO THAT THE CALIBRATION OF PROCESS INSTRUMENTS AT THE BOTTOM OF THE CHAIN IS TRACEABLE TO THE FUNDAMENTAL MEASUREMENT STANDARDS.
TRUE
FALSE
AN ESSENTIAL ELEMENT IN THE MAINTENANCE OF MEASUREMENT YSTEMS AND THE OPERATION OF CALIBRATION PROCEDURES IS THE PROVISION OF FULL DOCUMENTATION.
(a)
WHAT ARE THE IMPORTANCE OF CALIBRATION IN THE INDUSTRY?
GIVE AN EXAMPLE OF INSTRUMENT CALIBRATION FOR EACH MAIN PROCESS VARIABLE.
WHY IS IT IMPORTANT TO CALIBRATE INSTRUMENTS?
THIS KNOWLEDGE OF THE FULL CHAIN OF INSTRUMENTS INVOLVED IN THE CALIBRATION PROCEDURE IS KNOWN AS (a) AND IS SPECIFIED AS A MANDATORY REQUIREMENT IN SATISFYING THE ISO 9000 STANDARD.
THIS MUST OBVIOUSLY BE A VERY WELL-ENGINEERED INSTRUMENT THAT GIVES HIGH ACCURACY AND IS STABILIZED AGAINST DRIFT IN ITS PERFORMANCE WITH TIME THAT IMPLIES IT WILL BE AN EXPENSIVE INSTRUMENT TO BUY.
(a)
WHY IS IT IMPORTANT TO HAVE A CALIBRATION CHAIN AND TRACEABILITY?
