Measurement and Instrumentation A sinusoidal signal waveform, when observed on an oscilloscope, has a peak to peak amplitude of 6 cm. If the vertical sensitivity setting is 5 v/cm, then rms value of the voltage will be 15 V. 12.6 V. 11.1 V. 10.6 V. 15 V. 12.6 V. 11.1 V. 10.6 V. ANSWER DOWNLOAD EXAMIANS APP
Measurement and Instrumentation Which of the following quantities consists of S.I. unit as Hertz? Power Force Charge Frequency Power Force Charge Frequency ANSWER DOWNLOAD EXAMIANS APP
Measurement and Instrumentation The difference between the indicated value and the true value of a quantity is Dynamic error Gross error Absolute error Relative error Dynamic error Gross error Absolute error Relative error ANSWER DOWNLOAD EXAMIANS APP
Measurement and Instrumentation In two wattmeter method of power measurement if the total power is measured by one wattmeter only then power factor of the system is 0.5. 1. 0. none of above. 0.5. 1. 0. none of above. ANSWER DOWNLOAD EXAMIANS APP
Measurement and Instrumentation Comparison methods are used when a high accuracy of measurement is required. because they take least time in measurement. because they are most simple. because they are expensive. when a high accuracy of measurement is required. because they take least time in measurement. because they are most simple. because they are expensive. ANSWER DOWNLOAD EXAMIANS APP
Measurement and Instrumentation A moving coil ammeter has a uniform scale with 50 division and gives a full scale reading 10 A. The instrument can read up to (1/5)th of a scale division with a fair degree of certainty. What is the resolution of the instrument in mA? 25 mA. 50 mA. 80 mA. 40 mA. 25 mA. 50 mA. 80 mA. 40 mA. ANSWER DOWNLOAD EXAMIANS APP
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