engineering recuitment BHEL Engineer Trainee Mock Test 2025 Sensors and Industrial Instrumentation Piezoelectric Transducers
It is necessary to use an accelerometer for measurement of vibrations. The requirements of the transducer in the accelerometer are : high output voltage, damping ratio = 0.01, frequency range = 10 to 105 Hz. Identify the type of accelerometer best suited to the situation.
1
Variable reluctance accelerometer
2
Piezoelectric accelerometer
3
Potentiometer accelerometer
4
Strain gauge accelerometer