Measurement and Instrumentation What are the SI units of mass, length and time respectively? g, cm and s. kg, cm and s. kg, m and s. g, m and s. g, cm and s. kg, cm and s. kg, m and s. g, m and s. ANSWER DOWNLOAD EXAMIANS APP
Measurement and Instrumentation To measure high frequency currents, we mostly use ______ ammeter. Thermocouple Hot wire Dynamometer Moving iron Thermocouple Hot wire Dynamometer Moving iron 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? 2 Ohms 49.99 Ohms 1 Ohm 1/49.99 ohms 2 Ohms 49.99 Ohms 1 Ohm 1/49.99 ohms 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 240 Ohm. 0.0024 Ohm. 120 Ohm. 0.0012 Ohm. 240 Ohm. 0.0024 Ohm. 120 Ohm. 0.0012 Ohm. ANSWER DOWNLOAD EXAMIANS APP
Measurement and Instrumentation The problem of Electrostatic coupling in a transformer is acute at Power frequencies High frequencies Low frequencies High load on the transformer Power frequencies High frequencies Low frequencies High load on the transformer ANSWER DOWNLOAD EXAMIANS APP
Measurement and Instrumentation When the pointer of an indicating instrument comes to rest in the final deflected position, ______ Only controlling torque acts Both deflecting and controlling torques act Only deflecting torque acts None of the listed here Only controlling torque acts Both deflecting and controlling torques act Only deflecting torque acts None of the listed here ANSWER DOWNLOAD EXAMIANS APP
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