M1 Exam

Question 1

In this filter, any signals having frequency in-between cutoff frequencies are rejected.

Answer 1

BAND-REJECT FILTER

Question 2

This indicate the range of the stimulus in which the device is usable.

Answer 2

FREQUENCY RESPONSE

Question 3

The movement of the sensor element is used to cause a change in electrical voltage, resistance, capacitance, or mutual inductance.

Answer 3

CONTACT SENSORS

Question 4

Which among the choices is not one of the transducers selection factors?

Sensitivity

Cross Sensitivity

Reliability

Accuracy

Answer 4

Reliability

Question 5

This represents the slope of the transfer function.

Answer 5

SENSITIVITY

Question 6

This system is related to a network to access the resources.

Answer 6

NETWORK EMBEDDED SYSTEM

Question 7

The experimental determination of the transfer function of actuator.

Answer 7

CALIBRATION

Question 8

In this transducer selection factor, transducer shall maintain the expected input and output relationship as described by the transfer function to avoid errors.

Answer 8

ERRORS

Question 9

This is the deviation of sensor’s output at any given point.

Answer 9

HYSTERESIS

Question 10

This type of embedded system is categorized according to scale.

Answer 10

BASED ON PERFORMANCE OF THE MICROCONTROLLER(HINDI SURE)

or

Small-scale, medium-scale, sophisticated embedded systems

Question 11

This converts the sensor output to suitable electrical form.

Answer 11

TRANSDUCTION ELEMENT

Question 12

This converts the sensor output to suitable electrical form.

use points around the location of lowest curvature

use not equally spaced points

If the function is more complex need more slope

Calculate the slope and crossing point in V=aT+b

Answer 12

Calculate the slope and crossing point in V=aT+b

Question 13

This is used to convert desired parameter into electrically measurable signal

Answer 13

SENSOR SYSTEMS

Question 14

This is a functional computer system on a chip device that contains processor, memory, and programmable I/O devices.

Answer 14

MICROCONTROLLER

Question 15

In this type of filter, any signal with a frequency lower than the cutoff frequency gets blocked.

Answer 15

HIGH PASS FILTER

Question 16

This material is used for room temperature applications.

Answer 16

IMPREGNATED PAPER

Question 17

In a passive filter, this has no gain. While in active filter, this may have gain depending on the configuration of the circuit.

Answer 17

PASSBAND

Question 18

In this transducer selection factor, transducer shall not break down and maintain its input and output relationship under specified environmental condition.

Answer 18

ENVIRONMENTAL COMPATIBILITY

Question 19

This is the extent to which the measured value might be wrong and normally expressed in percentage.

Answer 19

ACCURACY

Question 20

This is related failure and success measurement and it is normally associated with calibration.

Answer 20

REPEATABILITY / REPRODUCIBILITY

Question 21

In this transducer, the measurand is converted into a change in electrostatic charge or voltage generated by crystals when it is mechanically stressed.

Answer 21

PIEZO ELECTRIC INDUCTION

Question 22

This is used to overcome the nonlinearity in the displacement sensor.

Answer 22

PUSH-PULL DISPLACEMENT SENSOR

Question 23

This transducer converts the mechanical elongation and compression into resistance change.

Answer 23

STRAIN GAUGE

Question 24

This is used as an additional processing unit for running the application in place of using embedded device.

Answer 24

APPLICATION SPECIFIC SYSTEM PROCESSOR (ASSP)

Question 24

This type of strain gauge has wire stretched that can be made of nickel,

Answer 24

UNBONDED STRAIN GAUGE

Question 25

This is the drop rate of gain of the filter.

Answer 25

ROLL-OFF RATE

Question 26

This frequency is where the power of the output signal becomes half the power of the input signal.

Answer 26

CUTOFF FREQUENCY

Question 27

These frequencies are defined by the cutoff frequency of the filter.

Answer 27

STOPBAND AND PASSBAND

Question 28

This is usually taken to be less than -3dB of the input.

Gain/Stopband

Gain at the Stopband

Answer 28

Gain at the Stopband

Question 29

In this transducer, measurand is converted to voltage induced in conductor by change in magnetic flux and in the absence of excitation.

Answer 29

ELECTROMAGNETIC TRANSDUCTION

Question 30

These two materials are used as resistive materials for semiconductor gauges.

Answer 30

SILICON AND GERMANIUM

Question 31

In this transducer, measurand is converted to a change in capacitance.

Answer 31

CAPACITIVE TRANSDUCTION

Question 32

These are made of semiconductor material which have negative temperature coefficient of resistivity.

Answer 32

THERMISTOR

Question 33

These transducer need external source of power for its operation.

Answer 33

PASSIVE TRANSDUCER

Question 34

This system require scalable processor or configurable processor, and programming logic arrays.

Answer 34

SOPHISTICATED EMBEDDED SYSTEM

Question 35

This is due to the inertia of the device in both mechanical and electrical factors.

Answer 35

RESPONSE TIME

Question 36

This is capable of converting the physical quantity into a proportional quantity such as voltage or current.

Answer 36

TRANSDUCER

Question 37

This is used to determine when an object has moved to within some particular critical distance of the sensor.

Answer 37

PROXIMITY SENSOR

Question 38

This transducer converts electrical quantity to non electrical quantity

Answer 38

INVERSE TRANSDUCER

Question 39

This type of resistive transducer has a sliding contact

Answer 39

POTENTIOMETER

Question 40

This is a single chip semi conductor device but not a complete computer.

Answer 40

MICROPROCESSOR