Measurement and Instrumentation A PMMC instrument can be used as flux meter By using a high series resistance By using a low resistance shunt By eliminating the control springs By making control springs of large moment of inertia By using a high series resistance By using a low resistance shunt By eliminating the control springs By making control springs of large moment of inertia ANSWER DOWNLOAD EXAMIANS APP
Measurement and Instrumentation How many fundamental units are there ? 7 6 8 4 7 6 8 4 ANSWER DOWNLOAD EXAMIANS APP
Measurement and Instrumentation Purely mechanical instrument cannot be used for dynamic measurements because they have All of these higher response time. large time constant. high inertia. All of these higher response time. large time constant. high inertia. ANSWER DOWNLOAD EXAMIANS APP
Measurement and Instrumentation The range of a moving iron ac ammeter is extended by A shunt Changing number of turns of operating coil None of the listed here A multiplier A shunt Changing number of turns of operating coil None of the listed here A multiplier ANSWER DOWNLOAD EXAMIANS APP
Measurement and Instrumentation If two meters X and Y require 40 mA and 50 mA respectively, to give full scale deflection, then It would not be possible to assess the sensitivity on the basis of the given data. X is more sensitive. Y is more sensitive. Both X and Y are equally sensitive. It would not be possible to assess the sensitivity on the basis of the given data. X is more sensitive. Y is more sensitive. Both X and Y are equally sensitive. ANSWER DOWNLOAD EXAMIANS APP
Measurement and Instrumentation Two voltmeters have the same range 0-400V. The internal impedance are 30,000 Ohms and 20,000 Ohms. If they are connected in series and 600V be applied across them, the readings are 400V and 200V 300V each 360V and 240V One of the meters out of the range and other 100V 400V and 200V 300V each 360V and 240V One of the meters out of the range and other 100V ANSWER DOWNLOAD EXAMIANS APP