Surprise Quiz on Measurement Systems

Identify the two major functions of the measurement system with respect to all the branch of engineering.

• Measuring the values of the physical parameters

• Design of equipment and process

• Analysis of the measurement values from the physical parameters

• Proper operation and maintenance of equipment and process.

The measurement system consisting of _______ element which converts the quantity of the measured into an analogous value.

• transducing

• sensing

• conditioning

• analog

________ serves as an extension of human facilities and enables us to determine the value of the unknown quantity.

• Measurement

• Instrument

• Design

• Processor

The major disadvantage of the mechanical instruments is that they are ________ to measurements of dynamic and transient condition.

• rigid, heavy and bulky

• able to respond fast

• unable to respond quickly

• able to measure the physical

Signals that vary in a continuous fashion and take on infinity of values in any given range on measurement.

• Sine signals

• Analog signals

• Digital signals

• Square signals

_________ errors are unpredictable errors and occur even when all systematic error are accounted and although the instrument is under the controlled environment and accurately pre-calibrated before measurement.

• Systematic

• Random

• Human

• Environmental

_________ element is formed when the variable conversion element and variable manipulation element are combined together.

• Data measurement

• Variable conditioning

• Data conditioning

• Variable measurement

Calculate the mean of the following set of independent current measurements which were taken by six observers recorded as 12.8A, 12.2A, 12.5A, 13.1A, 12.9A, and 12.4A.

• 12.65A

• 12.25A

• 12A

• 12.4A

The standards which represent which units of measurements which are close to the maximum possible accuracy attainable by the current technology of production and measurement.

• Primary standards

• Secondary standards

• Working standards

• International standard

The instrument is used to measure the total quantity of electrical quantity delivered over a period of time.

• Indicating

• Recording

• Integrating

• Differential