Measurement and Instrumentation Which of the following are integrating instruments? Ampere hour and watt hour meters Voltmeters Ammeters Wattmeters Ampere hour and watt hour meters Voltmeters Ammeters Wattmeters ANSWER DOWNLOAD EXAMIANS APP
Measurement and Instrumentation A set of independent current measurements taken by four observers was recorded as : 117.02 mA, 117.11 mA, 117.08 mA and 117.03 mA. What is the range of error ? ± 0.054 ± 0.056 ± 0.065 ± 0.045 ± 0.054 ± 0.056 ± 0.065 ± 0.045 ANSWER DOWNLOAD EXAMIANS APP
Measurement and Instrumentation Purely mechanical instrument cannot be used for dynamic measurements because they have high inertia. higher response time. All of these large time constant. high inertia. higher response time. All of these large time constant. ANSWER DOWNLOAD EXAMIANS APP
Measurement and Instrumentation In a moving iron meter, the deflecting torque is proportional to Current through the coil Square of the current through the coil Sine of the measurand Squareroot of the measurand Current through the coil Square of the current through the coil Sine of the measurand Squareroot of the measurand ANSWER DOWNLOAD EXAMIANS APP
Measurement and Instrumentation The given figure shows wein bridge connection for frequency measurement. C and R are variables and gang together. For balanced condition the expression for frequency is f = 1/2πCR when R1 = 2R2. R1 = R2/2. R1 = 3R2. R1 = R2. R1 = 2R2. R1 = R2/2. R1 = 3R2. R1 = R2. ANSWER DOWNLOAD EXAMIANS APP
Measurement and Instrumentation A mulliammeter can be used as Wattmeter Frequency meter Voltmeter and ammeter Ohmmeter Wattmeter Frequency meter Voltmeter and ammeter Ohmmeter ANSWER DOWNLOAD EXAMIANS APP
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