USES OF CATHODE RAY OSCILLOSCOPE(I) A.C VOLTAGEIt’s used to determine an unknown a.c voltage(II) MEASUREMENT OF FREQUENCY.It’s useful in determining the frequency of the waveform. A calibrated time-base is used to measure frequency.(III) MEASUREMENT OF PHASEIt’s used to know the angular difference of two waveforms. This is done by connecting a double beam oscilloscope to […]
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Explain the following terms and state their applications in industry Pressure Flow Temperature Level Humidity Describe the following terms and state their applications in industry Temperature Humidity Viscosity Motion Level Pressure Flow Temperature: Temperature is the degree of hotness or coldness of a body [object] or an environment measured on a definite scale. Application: It […]
Instrumentation can be defined as the use of measuring devices to determine the value of varying quantities often for the purpose of controlling those quantities within prescribed limits. ORINSTRUMENTATION is a collective term for measuring instruments that are used for indicating, measuring, and recording physical quantities such as flow, temperature, level, distance, angle or pressure.While […]
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EEC 126. CLASS: ND1 The measuring system of an indicating instrument is subjected to deflecting torque, controlling torque…………………….torque (1 mark) Answer; the indicating instrument contains three types are (1)deflecting torque (2) controlling torque (3) damping torque Dynanometer wattmeter instrument is most commonly used ……………..Answer; dynanometre are commonly used in AC and DC Moving iron instrument […]
(1) The measuring system of an indicating instrument is subjected to deflecting torque, controlling torque…………………….torque (1 mark)Answer; the indicating instrument contains three types are (1)deflecting torque (2) controlling torque (3) damping torque(2) Dynanometer wattmeter instrument is most commonly used ……………..Answer; dynanometre are commonly used in AC and DC(3) Moving iron instrument are either of attraction […]
DEPARTMENT OF ELECTRICAL ENGINEERINGSECOND SEMESTER EXAMINATION 2016/2017 ACADEMY SESSION COURSE TITLE: ELECTRICAL AND ELECTRONIC INSTRUMENTATION 11COURSE CODE: EEC 216. CLASS:ND11TIME ALLOWED: 2 HOURS.INSTRUCTION: ANSWER QUESTION ONE AND ANY OTHER THREEQUESTION AND ANSWERQUESTION ONE CATHODE RAY OSCILLOSCOPE These are familiar piece of measuring equipment, as no Tv programme with a science content is complete without the […]
Factors for selecting instruments for measurements Describe the factors listed in Q3(a) above. [6 marks]These are various factors to be considered when selecting instrument for measurement. They are Range, Accuracy, Response, Input, Output, Stability, Operation, Reliability and Sensitivity.(1) RANGE: This can be defined as the difference between the nominal value of the measures quantities corresponding […]
