List of top Instrumentation Engineering Questions on Transducers for industrial instrumentation

An advantage of dual slope A/D converter is:

If the amplitude is proportional to the core movement, then the output of a Differential Transformer (LVDT) is a:

The thermocouple pair that gives the maximum sensitivity of around 273 K is:

Which of the following meters has the lowest pressure drop for a given range of flow?

The primary standard instrument used for calibrating vacuum is:

The least suitable transducer for static pressure measurement is:

Poisson’s ratio of a metal is 0.35. Neglecting the piezo resistive effect, the gauge factor of the strain gauge made up of this metal is:

The output of LVDT with input mechanical motion of 10 Hz and excitation frequency of 400 Hz will contain frequencies:

Among bonded metal strain gauges, the foil type is more popular than wire type because:

Pirani gauge operation is based on the following principle:

A psychrometric chart is used to determine

Gas chromatography is used for

A shaft encoder attached to a DC motor has a sensitivity of 500 pulses per revolution. A frequency meter connected to the encoder output indicates 5500 Hz. The speed of the motor in rpm is:

A force sensor has a sensitivity of 0.01 mV/N. If the sensor outputs a voltage of 2 mV, what is the corresponding force (in Newtons)?

Which among the following transducer is an example of active transducer?

Which component of a servo motor is responsible for providing feedback?

The current to voltage converter photosensitive device can be used as

____ effect defines the creation of electromotive force in thermocouple transducer?

____ measures dynamic pressure.

Thermocouple system has a time constant of 8 sec. It is used to measure temperature of a surface varying sinusoidally between 400\(^\circ\)C and 450\(^\circ\)C with a periodic time of 60 sec. The thermocouple will indicate the maximum temperature of

Output of a bimetallic element will be