Measurement and Instrumentation With a sweep time 10ms across the screen the approx. horizontal sawtooth frequency will be 100Hz 50Hz 500Hz 1kHz 100Hz 50Hz 500Hz 1kHz 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 120 Ohm. 0.0024 Ohm. 240 Ohm. 0.0012 Ohm. 120 Ohm. 0.0024 Ohm. 240 Ohm. 0.0012 Ohm. ANSWER DOWNLOAD EXAMIANS APP
Measurement and Instrumentation An electrodynamic meter can be used to measure DC voltage. both AC and DC voltage. DC current. AC volatge. DC voltage. both AC and DC voltage. DC current. AC volatge. 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 Power proportional to 3 phase power if the load is balanced Reactive power of R phase Active power in R phase Active power of Y phase Power proportional to 3 phase power if the load is balanced Reactive power of R phase Active power in R phase Active power of Y phase ANSWER DOWNLOAD EXAMIANS APP
Measurement and Instrumentation The operating voltage of a megger is about 100 V 12 V 6 V 40 V 100 V 12 V 6 V 40 V ANSWER DOWNLOAD EXAMIANS APP
Measurement and Instrumentation Null type recorders are potentiometric recorders. LVDT recorders. bridge recorders. any one of the above. potentiometric recorders. LVDT recorders. bridge recorders. any one of the above. ANSWER DOWNLOAD EXAMIANS APP