Question 1

What is the term used to express the ability of a measuring system to maintain its standard performance?

Accepted Answer

A)  Zero stability
B)  Stability
C)  Sensitivity
D)  LinearityE) B) and D)
F) B) and C) B

Question 2

Sensors Output signal types

Accepted Answer

A)  Analog voltage
B)  PWM
C)  Serial digital
D)  All the aboveE) A) and D)
F) C) and D)

Question 3

_ _ _ _ _ _ is also used to indicate the most probable value of the measured quantity when a set of readings are taken.

Accepted Answer

A)  Mean
B)  Median
C)  Mode
D)  deviationE) C) and D)
F) None of the above

Question 4

'Zero error is an indication of instrumental error'.

Accepted Answer

A) True 
 B)False

Question 5

Based upon what parameters sensors will be chosen_ _ _ _ _

Accepted Answer

A)  Environmental factors
B)  Economic factor
C)  Static characteristics
D)  All the aboveE) C) and D)
F) A) and B)

Question 6

A system will be error free if we remove all systematic error'.

Accepted Answer

A) True 
 B)False  False

Question 7

Strain gauge is an example of _ _ _ _ _ sensors

Accepted Answer

A)  Modulating sensor
B)  Direct sensor
C)  Self generating sensors
D)  None of the aboveE) A) and B)
F) All of the above

Question 8

Unpredictable error _ _ _ _ __

Accepted Answer

A)  Random error
B)  Gross error
C)  Systematic error
D)  Precision errorE) C) and D)
F) A) and C)

Question 9

Which of the following error is caused by a reversal of measured property?

Accepted Answer

A)  Hysterisis
B)  Noise
C)  Digitization error
D)  Quantization errorE) C) and D)
F) A) and C)

Question 10

Why do we need to calibrate sensors?

Accepted Answer

A)  Environmental factors
B)  Aging of the components
C)  Cost
D)  All the aboveE) None of the above
F) B) and C)

Question 11

_ _ _ _ __ _, describing the sensor's life expectancy

Accepted Answer

A)  Static characteristics
B)  Dynamic characteristics
C)  Environmental characteristics
D)  Reliability CharacteristicsE) None of the above
F) B) and C)

Question 12

Sensors that use an additional energy source for their operation are called _ _ _ _ _

Accepted Answer

A)  modulating sensors
B)  Interrogating sensors
C)  Direct sensors
D)  Both a)  and b) E) All of the above
F) A) and B)

Question 13

How systematic errors are eliminated?

Accepted Answer

A)  Frequent measurement
B)  Replacement of instrument
C)  Finding mean of reading
D)  Finding variance of readingE) A) and C)
F) None of the above

Question 14

_ _ _ _ _ _can be defined as the tolerance within which a measurement can be repeated

Accepted Answer

A)  Resolution
B)  Accuracy
C)  Precision
D)  ScaleE) B) and C)
F) All of the above

Question 15

Thermocouple is an example of _ _ _ _ _ _ sensor

Accepted Answer

A)  Modulating sensor
B)  Direct sensor
C)  Interrogating sensors
D)  None of the aboveE) A) and B)
F) A) and C) B

Question 16

Average value of the readings is _ _ _ _ _

Accepted Answer

A)  Mean
B)  Median
C)  Mode
D)  deviationE) A) and D)
F) A) and C)

Question 17

_ _ _ _ _ _can be defined as the variation in the constant of proportionality between the input physical quantity and the output electrical signal

Accepted Answer

A)  Resolution
B)  Accuracy
C)  Precision
D)  LinearityE) B) and D)
F) C) and D)

Question 18

_ _ _ _ _ _ is the departure of a given reading from the arithmetic mean of a group of readings.

Accepted Answer

A)  Mean
B)  Median
C)  Mode
D)  deviationE) A) and B)
F) None of the above

Question 19

Sensor is a type of transducer.

Accepted Answer

A) True 
 B)False

Question 20

Which of the following error is caused by poor calibration of the instrument?

Accepted Answer

A)  Random error
B)  Gross error
C)  Systematic error
D)  Precision errorE) A) and C)
F) A) and D)

Exam 1: Understanding Sensors and Transducers: Parameters, Calibration, and Performance

What is the term used to express the ability of a measuring system to maintain its standard performance?

Correct AnswerverifiedB

Sensors Output signal types

Correct AnswerverifiedShow Answer

_ _ _ _ _ _ is also used to indicate the most probable value of the measured quantity when a set of readings are taken.

Correct AnswerverifiedShow Answer

'Zero error is an indication of instrumental error'.

Correct AnswerverifiedShow Answer

Based upon what parameters sensors will be chosen_ _ _ _ _

Correct AnswerverifiedShow Answer

A system will be error free if we remove all systematic error'.

Correct AnswerverifiedFalse

Strain gauge is an example of _ _ _ _ _ sensors

Correct AnswerverifiedShow Answer

Unpredictable error _ _ _ _ __

Correct AnswerverifiedShow Answer

Which of the following error is caused by a reversal of measured property?

Correct AnswerverifiedShow Answer

Why do we need to calibrate sensors?

Correct AnswerverifiedShow Answer

_ _ _ _ __ _, describing the sensor's life expectancy

Correct AnswerverifiedShow Answer

Sensors that use an additional energy source for their operation are called _ _ _ _ _

Correct AnswerverifiedShow Answer

How systematic errors are eliminated?

Correct AnswerverifiedShow Answer

_ _ _ _ _ _can be defined as the tolerance within which a measurement can be repeated

Correct AnswerverifiedShow Answer

Thermocouple is an example of _ _ _ _ _ _ sensor

Correct AnswerverifiedB

Average value of the readings is _ _ _ _ _

Correct AnswerverifiedShow Answer

_ _ _ _ _ _can be defined as the variation in the constant of proportionality between the input physical quantity and the output electrical signal

Correct AnswerverifiedShow Answer

_ _ _ _ _ _ is the departure of a given reading from the arithmetic mean of a group of readings.

Correct AnswerverifiedShow Answer

Sensor is a type of transducer.

Correct AnswerverifiedShow Answer

Which of the following error is caused by poor calibration of the instrument?

Correct AnswerverifiedShow Answer

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B

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False

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B

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