Measurement and Instrumentation The coil of a moving iron instrument has a resistance of 500 ohm and inductance of 1 H. It reads 250 V when a 250 V DC is applied. It series resistance is 2000 ohms its reading when fed by 250 V, 50 Hz AC will be 248 V. 252 V. 250 V. 260 V. 248 V. 252 V. 250 V. 260 V. ANSWER DOWNLOAD EXAMIANS APP
Measurement and Instrumentation A dynamometer wattmeter can be used for Any of the listed here AC only Both DC and AC DC only Any of the listed here AC only Both DC and AC DC only ANSWER DOWNLOAD EXAMIANS APP
Measurement and Instrumentation Consider the following statements : In a measuring instrument, 1. Linearity is more important than sensitivity. 2. High precision indicates high accuracy 3. Accuracy cannot be better than resolution. Of these statements 1, 2 and 3 are correct 1 and 3 are correct 1 and 2 are correct 2 and 3 are correct 1, 2 and 3 are correct 1 and 3 are correct 1 and 2 are correct 2 and 3 are correct ANSWER DOWNLOAD EXAMIANS APP
Measurement and Instrumentation The errors introduced by an instrument fall in which category ? Systematic errors Gross errors Random errors Environmental errors Systematic errors Gross errors Random errors Environmental errors ANSWER DOWNLOAD EXAMIANS APP
Measurement and Instrumentation In a CRO which of following is not a part of electron gun? Cathode X-Y plates Grid Accelerating anode Cathode X-Y plates Grid Accelerating anode ANSWER DOWNLOAD EXAMIANS APP
Measurement and Instrumentation Direct method is used to measure Temperature Voltage Pressure Length Temperature Voltage Pressure Length ANSWER DOWNLOAD EXAMIANS APP
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