Measurement and Instrumentation A spring-controlled moving iron voltmeter draws a current of 1 mA for full scale value of 100V. If it draws a current of 0.5 mA, the meter reading is 200 V. 50 V. 25 V. 100 V. 200 V. 50 V. 25 V. 100 V. ANSWER DOWNLOAD EXAMIANS APP
Measurement and Instrumentation Which of the following devices may be used for extending the range of instruments? All of the listed here Current transformers Potential transformers Shunt All of the listed here Current transformers Potential transformers Shunt ANSWER DOWNLOAD EXAMIANS APP
Measurement and Instrumentation Commonly used instruments in power system measurement are Induction Moving coil or iron Electrostatic Rectifier Induction Moving coil or iron Electrostatic Rectifier ANSWER DOWNLOAD EXAMIANS APP
Measurement and Instrumentation The problem of Electrostatic coupling in a transformer is acute at Power frequencies Low frequencies High load on the transformer High frequencies Power frequencies Low frequencies High load on the transformer High frequencies ANSWER DOWNLOAD EXAMIANS APP
Measurement and Instrumentation Which one of the following units is a fundamental unit? Newton Ampere Watt Joule/sec Newton Ampere Watt Joule/sec ANSWER DOWNLOAD EXAMIANS APP
Measurement and Instrumentation The pointer of an indicating instrument is generally made of _______ Silver Aluminium Copper Soft steel Silver Aluminium Copper Soft steel ANSWER DOWNLOAD EXAMIANS APP