Measurement and Instrumentation An electrodynamic meter can be used to measure AC volatge. both AC and DC voltage. DC voltage. DC current. AC volatge. both AC and DC voltage. DC voltage. DC current. ANSWER DOWNLOAD EXAMIANS APP
Measurement and Instrumentation An electric pyrometer is an instrument used to measure Phase Frequency None of the listed here High temperatures Phase Frequency None of the listed here High temperatures ANSWER DOWNLOAD EXAMIANS APP
Measurement and Instrumentation A thermometer having first order dynamics is subjected to a sudden temperature change of 30oc to 150oc. If it has he time constant of 5 sec, what temperature will be indicated by after 5 sec? 105.6o. 150o. 30o. 63.25o. 105.6o. 150o. 30o. 63.25o. ANSWER DOWNLOAD EXAMIANS APP
Measurement and Instrumentation Consider the following statement - 1. The compensating coil of a low power factor wattmeter compensates the effect of the impedance of the current coil. 2. The compensating coil of a low power factor wattmeter compensates the effect of the impedance of the voltage coil circuit. Both 1 and 2 are true. Both 1 and 2 are false. 1 is false but 2 is true. 1 is true but 2 is false. Both 1 and 2 are true. Both 1 and 2 are false. 1 is false but 2 is true. 1 is true but 2 is false. ANSWER DOWNLOAD EXAMIANS APP
Measurement and Instrumentation For handling greater currents induction watt-meters are used in conjunction with Potential transformers Power transformers Either of the above Current transformers Potential transformers Power transformers Either of the above Current transformers ANSWER DOWNLOAD EXAMIANS APP
Measurement and Instrumentation To measure an A. C. voltage by using an A.C. potentiometer, it is desirable that the supply for the potentiometer in taken From a source which is not the same as the unknown voltage Any of the above From a battery From the same source as the unknown voltage From a source which is not the same as the unknown voltage Any of the above From a battery From the same source as the unknown voltage ANSWER DOWNLOAD EXAMIANS APP
EXAMIANS