engineering recuitment HPCL Junior Executive 2025 Mock Test Electronic Mechanic Measuring Instruments Sensors Transducers and Applications
Which one of the following statements is NOT correct regarding accelerometers?
1
In displacement seismic accelerometer, the displacement of seismic mass is measured by displacement transducer itself
2
In strain gauge accelerometer, the seismic mass is placed on a cantilever beam placed inside the housing
3
In potentiometric accelerometer, in a spring-mass-damper system, the mass is connected with the wiper arm of the potentiometer
4
The LVDT accelerometer consist of one primary and four secondary windings which are placed on either side of a central core