List of top Mechanical Engineering Questions on Sensors and Drives

Which of the following are External Sensors? A. Tachometer sensor
B. Ultrasonic sensors
C. Laser sensors
D. Vision sensors
E. Potentiometer sensors

Which task of vision systems recognize and classify an object?

The tactile sensor is used to measure:

In sensors, the response time is the time required:

Which of the following describes the function of a sensor?

Match List-I with List-II

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Name of the device that selects between several analog or digital input signals and forwards the selected input to a single output line:

Proximity Sensors are used to:

The human eye perception is limited to approximately

Some of the examples of non-contact sensors includes _______ .
(A) Proximity sensors
(B) Temperature sensors
(C) Torque sensors
(D) Acoustic sensors
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The sequence for flow of signal in working principle of microsensors includes:
(A) Input signal
(B) Transducer element
(C) Sensor element
(D) Output signal
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In an electrical actuation system, solid-state switches include:
(A) Bipolar transistors
(B) Thyristors and triacs
(C) Relays
(D) Diodes
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Which of the following sensors can be used to monitor linear and angular velocities and detect motion?
(A) Incremental encoder
(B) Tachogenerator
(C) Piezoelectric sensors
(D) Pyroelectric sensors
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Which of the following does not belong to the static characteristics of transducers

Given below are two statements, one is labelled as Assertion (A) and the other one labelled as Reason (R).
Assertion (A): Smart materials can be used as microsensors and microactuators, both.
Reason (R): Smart materials belong to intelligent mechanisms.
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