Measurement and Instrumentation In which of the transformer is the secondary nearly short circuited under normal operating condition? CT. PT. Power transformer. Distribution transformer. CT. PT. Power transformer. Distribution transformer. ANSWER DOWNLOAD EXAMIANS APP
Measurement and Instrumentation Why is a MISC meter not recommended for DC measurement? The error is high due to eddy current effect The error is high due to hysteresis effect The meter does not respond to DC signals The meter is calibrated for AC and it’s error for DC would be high The error is high due to eddy current effect The error is high due to hysteresis effect The meter does not respond to DC signals The meter is calibrated for AC and it’s error for DC would be high ANSWER DOWNLOAD EXAMIANS APP
Measurement and Instrumentation The thermocouple instruments do not have Absence of frequency error Independence of ambient temperature High degree of measuring accuracy High sensitivity Absence of frequency error Independence of ambient temperature High degree of measuring accuracy High sensitivity ANSWER DOWNLOAD EXAMIANS APP
Measurement and Instrumentation Which of the following cannot be measured by multimeters? Current Resistance Voltage Frequency Current Resistance Voltage Frequency 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 ? ± 0.056 ± 0.045 ± 0.065 ± 0.054 ± 0.056 ± 0.045 ± 0.065 ± 0.054 ANSWER DOWNLOAD EXAMIANS APP
Measurement and Instrumentation Commonly used instruments in power system measurement are Rectifier Electrostatic Moving coil or iron Induction Rectifier Electrostatic Moving coil or iron Induction ANSWER DOWNLOAD EXAMIANS APP
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