Measurement and Instrumentation Deflection method direct measurements are most widely used as these are most simple and least time consuming. most simple. least time consuming. most accurate. most simple and least time consuming. most simple. least time consuming. most accurate. ANSWER DOWNLOAD EXAMIANS APP
Measurement and Instrumentation Piezoelectronic accelerometer 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. Should use a monitoring source at low input impedance. Should be used for high frequencies above 100 Hz. ANSWER DOWNLOAD EXAMIANS APP
Measurement and Instrumentation Alternating current is measured by Moving iron repulsion type voltmeter Permanent magnet type ammeter Induction ammeter Electrostatic ammeter Moving iron repulsion type voltmeter Permanent magnet type ammeter Induction ammeter Electrostatic ammeter ANSWER DOWNLOAD EXAMIANS APP
Measurement and Instrumentation A metal strain gauge has a gauge factor of two. Its nominal resistance is 120 ohms. If it undergoes a strain of 10-5, the value of change of resistance in response to the strain is 0.0012 Ohm. 0.0024 Ohm. 120 Ohm. 240 Ohm. 0.0012 Ohm. 0.0024 Ohm. 120 Ohm. 240 Ohm. ANSWER DOWNLOAD EXAMIANS APP
Measurement and Instrumentation For power measurement of three phase circuit by two wattmeter method, when the value of power factor is less than 0.5 lagging One of the wattmeters will read zero Pressure coil of the wattmeter will become ineffective. One of the wattmeter connections will have to be reversed Both give the same readings One of the wattmeters will read zero Pressure coil of the wattmeter will become ineffective. One of the wattmeter connections will have to be reversed Both give the same readings ANSWER DOWNLOAD EXAMIANS APP
Measurement and Instrumentation Resistances can be measured with the help of Ohmmeters and resistance bridges Voltmeters Ammeters Wattmeters Ohmmeters and resistance bridges Voltmeters Ammeters Wattmeters ANSWER DOWNLOAD EXAMIANS APP
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