Measurement and Instrumentation Which wave has the least form factor? Square wave Triangular wave Sine wave Rectangular wave Square wave Triangular wave Sine wave Rectangular wave ANSWER DOWNLOAD EXAMIANS APP
Measurement and Instrumentation The current coil of a wattmeter is connected to the CT of R-phase. The potential coil is connected across Y and B phases. The wattmeter measures Active power in R phase Power proportional to 3 phase power if the load is balanced Reactive power of R phase Active power of Y phase Active power in R phase Power proportional to 3 phase power if the load is balanced Reactive power of R phase Active power of Y phase 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 360V and 240V 400V and 200V One of the meters out of the range and other 100V 300V each 360V and 240V 400V and 200V One of the meters out of the range and other 100V 300V each ANSWER DOWNLOAD EXAMIANS APP
Measurement and Instrumentation The two pressure coils of a single phase power factor meter have None of these The same dimension but different number of turns The same dimensions and the same number of turns The same number of turns but different dimensions None of these The same dimension but different number of turns The same dimensions and the same number of turns The same number of turns but different dimensions ANSWER DOWNLOAD EXAMIANS APP
Measurement and Instrumentation To measure the flux, devices used are based on Photo-voltaic effect Piezo-electric effect Hall effect Voltaic effect Photo-voltaic effect Piezo-electric effect Hall effect Voltaic effect ANSWER DOWNLOAD EXAMIANS APP
EXAMIANS