Measurement and Instrumentation What is the expression for momentum? mass × velocity mass × acceleration change of velocity / time force × displacement mass × velocity mass × acceleration change of velocity / time force × displacement ANSWER DOWNLOAD EXAMIANS APP
Measurement and Instrumentation For handling greater currents induction watt-meters are used in conjunction with Current transformers Potential transformers Power transformers Either of the above Current transformers Potential transformers Power transformers Either of the above ANSWER DOWNLOAD EXAMIANS APP
Measurement and Instrumentation Piezoelectronic accelerometer Should use a monitoring source at low input impedance. Should be used for high frequencies above 100 Hz. Has a low natural frequency. Should be used for low frequency. Should use a monitoring source at low input impedance. Should be used for high frequencies above 100 Hz. Has a low natural frequency. Should be used for low frequency. ANSWER DOWNLOAD EXAMIANS APP
Measurement and Instrumentation The internal resistance of Weston standard cell is of order of 1 ohm. 10 ohm. 1000 ohm. 100 ohm. 1 ohm. 10 ohm. 1000 ohm. 100 ohm. ANSWER DOWNLOAD EXAMIANS APP
Measurement and Instrumentation To measure ac as well as dc power, we use None of the listed here Induction wattmeter Sometimes induction and sometimes dynamometer wattmeter Dynamometer wattmeter None of the listed here Induction wattmeter Sometimes induction and sometimes dynamometer wattmeter Dynamometer wattmeter 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 and 2 are correct 1, 2 and 3 are correct 1 and 3 are correct 2 and 3 are correct 1 and 2 are correct 1, 2 and 3 are correct 1 and 3 are correct 2 and 3 are correct ANSWER DOWNLOAD EXAMIANS APP