Measurement and Instrumentation What are the SI units of mass, length and time respectively? kg, cm and s. kg, m and s. g, m and s. g, cm and s. kg, cm and s. kg, m and s. g, m and s. g, cm and s. ANSWER DOWNLOAD EXAMIANS APP
Measurement and Instrumentation What is the expression for momentum? mass × velocity change of velocity / time mass × acceleration force × displacement mass × velocity change of velocity / time mass × acceleration force × displacement ANSWER DOWNLOAD EXAMIANS APP
Measurement and Instrumentation It is found that 10A current passes through a resistor of 10°hms. The resistor has 5% tolerance . The error in measurement of current can be as high as 5%. What is max error in measurement of power, calculated from measured value of I and the nominal value of resistor? 100W 50W 150W 200W 100W 50W 150W 200W ANSWER DOWNLOAD EXAMIANS APP
Measurement and Instrumentation A DC A-h meter is rated for 15 A, 250 V. The meter constant is 14.4 A-sec/rev. The meter constant at rated voltage may be expressed as 3750 rev/KWh. 3600 rev/KWh. 1000 rev/KWh. 960 rev/KWh. 3750 rev/KWh. 3600 rev/KWh. 1000 rev/KWh. 960 rev/KWh. ANSWER DOWNLOAD EXAMIANS APP
Measurement and Instrumentation A voltmeter using thermocouple measures Peak to peak value. Peak value. rms value. Average value. Peak to peak value. Peak value. rms value. Average value. ANSWER DOWNLOAD EXAMIANS APP
Measurement and Instrumentation The error of an instrument is normally given as a percentage of Rms value Full-scale value Mean value Measured value Rms value Full-scale value Mean value Measured value ANSWER DOWNLOAD EXAMIANS APP
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