Question91:-Which among the following device is used to sense angular position?
A:-LVDT
B:-Tacho-generator
C:-Strain Gauge
D:-Synchro
Correct Answer:- Option-D

Question92:-With reference to an LVDT, the secondary windings are connected in
differential configuration. The purpose(s) of this is/are to:

|. Obtain higher output voltage

Il. Have phase-sensitive output voltage

ال٠١‎ To establish a reference point for the core displacement.

IV. Obtain phase-insensitive output voltage

Which combinations of the above statements are True?

A:-l only
B:-l and II
6:- 11
D:-IV only

Correct Answer:- Option-C

Question93:-It is required to measure pressure in a process. For this, a system is
proposed that comprises of a Bourdon's tube that senses the pressure and converts
into a displacement of its free end. The free and connected to the core of an LVDT,
which gives an output voltage corresponding to the displacement. Which of the
following is a correct statement for this context?

A:-The LVDT is a primary transducer and the Bourdon's tube is a secondary
transducer.

B:-The Bourdon's tube is a primary transducer and the LVDT is a secondary
transducer.

C:-Both the LVDT and the Bourdon's tube are primary transducers.
D:-Both the LVDT and the Bourdon's tube are secondary transducers.
Correct Answer:- Option-B
Question94:-Hall-effect sensors can be applied to measure:
A:-Magnetic field
B:-Voltage
C:-Position
D:-All the above
Correct Answer:- Option-D

Question95:-A few battery cell types are listed below:
1. Alkaline cells

॥. Zinc-carbon cells

Ill. Lead-acid cells