Measurement and Instrumentation A megger is usually Moving coil type instrument Moving iron type instrument Electro-static type instrument Hot-wire type instrument Moving coil type instrument Moving iron type instrument Electro-static type instrument Hot-wire type instrument ANSWER DOWNLOAD EXAMIANS APP
Measurement and Instrumentation Electrostatic instruments are used as Both ammeter and voltmeter Voltmeters only Wattmeter only Ammeters only Both ammeter and voltmeter Voltmeters only Wattmeter only Ammeters only ANSWER DOWNLOAD EXAMIANS APP
Measurement and Instrumentation A transducer measures a range of 0 – 200 N force with a resolution of 0.15 percent of full scale. What is the smallest change which can be measured by this transducer ? 6.66 N 0.3 N 0.15 N 3.33 N 6.66 N 0.3 N 0.15 N 3.33 N ANSWER DOWNLOAD EXAMIANS APP
Measurement and Instrumentation In a wheatstone bridge, a change of 6 Ω in the unknown arm of bridge is required to produce a change in deflection of 2.4 mm of the galvanometer. The sensitivity is 0.8 mm/Ω 2.5 mm/Ω 5.0 mm/Ω 0.4 mm/Ω 0.8 mm/Ω 2.5 mm/Ω 5.0 mm/Ω 0.4 mm/Ω ANSWER DOWNLOAD EXAMIANS APP
Measurement and Instrumentation If an inductance L is connected in one arm of bridge and resistance R1, R2, R3 in other three arms The bridge can not be balanced. The bridge is balanced for some specified value of frequency. The bridge is balanced for some specified value of R1, R2, R3. The bridge can be balanced. The bridge can not be balanced. The bridge is balanced for some specified value of frequency. The bridge is balanced for some specified value of R1, R2, R3. The bridge can be balanced. ANSWER DOWNLOAD EXAMIANS APP
Measurement and Instrumentation The full-scale deflection current of an ammeter is 1 mA and its internal resistance is 100°hm. If this meter is to have full deflection at 5A, what is the value of the shunt resistance to be used? 1 Ohm 2 Ohms 49.99 Ohms 1/49.99 ohms 1 Ohm 2 Ohms 49.99 Ohms 1/49.99 ohms ANSWER DOWNLOAD EXAMIANS APP
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