Mechatronics Exam 1 - Logan Questions
and Answers (Latest Update 2025)
Which of the following type of the temperature sensor should
be used for high accuracy with medium span of the
temperature measurement? - Correct Answers ✅RTD
Which transducer does not require external power? - Correct
Answers ✅Piezoelectric crystals
Which device require cold junction compensation? - Correct
Answers ✅Thermocouple
Which device can overcome the problem of ground loop
circuits when sub-systems are connected? - Correct
Answers ✅Opto-isolator
If gain in an Op-Amp is very high, then inverting the terminal
voltage would be .... compared to not inverting it. - Correct
Answers ✅equal
Which sensor has the lowest response time among optical
type, Eddy current type, ultrasonic type, and laser focus? -
Correct Answers ✅Ultrasonic
Which terminology is used to indicate "the length of time
from the application of an input until the output begins to
respond and change? - Correct Answers ✅Dead time
,Mechatronics Exam 1 - Logan Questions
and Answers (Latest Update 2025)
Rotary magnetic encoders employ a magnetized wheel with
Hall effect sensors to detect poles as the disks rotate (T/F) -
Correct Answers ✅True
Given the voltage of non-inverting amp as 5V with applied
input of 5 mV, the closed loop voltage gain in decibels is -
Correct Answers ✅60
Which sensor is not a passive sensor? (Does not requires
power for operation) - Correct Answers ✅Thermocouple
A LVDT position sensor is a - Correct Answers ✅inductive
type of proximity sensor
Which proximity sensor can be used as a touch sensor? -
Correct Answers ✅Capacitive proximity sensor
Which of the following type of the temperature sensor should
be used for low cost and large range of temperature
measurement? - Correct Answers ✅Thermocouple
Which of the following type of the temperature sensor
measure the voltage drop across two different types of
metal? - Correct Answers ✅Thermocouple
, Mechatronics Exam 1 - Logan Questions
and Answers (Latest Update 2025)
What is the working principle behind thermocouples? -
Correct Answers ✅Seeback Effect
Which of the following is a low-cost sensor, which is
commonly used as a thermal switch for motor protection
against overload? (Directly from quiz) - Correct Answers
✅PTC Thermistor
What thermo sensor is best used for an infared gun? -
Correct Answers ✅Thermopile
You need a low-cost device to measure the ambient
temperature at your home. Which of the following would be
your best choice? (Directly from quiz) - Correct Answers
✅Thermistor (NTC)
Which of the following type of the temperature sensor
measure uses semiconductor or polymer for its material?? -
Correct Answers ✅Thermistor (PTC)
Which of the following types of the temperature
measurement device have multiple thermocouples so that
there are more of the hot junctions? - Correct Answers
✅Thermopile
Which of the following sensors has commonly been used as a
temperature-controlled switch inside the thermostat of
and Answers (Latest Update 2025)
Which of the following type of the temperature sensor should
be used for high accuracy with medium span of the
temperature measurement? - Correct Answers ✅RTD
Which transducer does not require external power? - Correct
Answers ✅Piezoelectric crystals
Which device require cold junction compensation? - Correct
Answers ✅Thermocouple
Which device can overcome the problem of ground loop
circuits when sub-systems are connected? - Correct
Answers ✅Opto-isolator
If gain in an Op-Amp is very high, then inverting the terminal
voltage would be .... compared to not inverting it. - Correct
Answers ✅equal
Which sensor has the lowest response time among optical
type, Eddy current type, ultrasonic type, and laser focus? -
Correct Answers ✅Ultrasonic
Which terminology is used to indicate "the length of time
from the application of an input until the output begins to
respond and change? - Correct Answers ✅Dead time
,Mechatronics Exam 1 - Logan Questions
and Answers (Latest Update 2025)
Rotary magnetic encoders employ a magnetized wheel with
Hall effect sensors to detect poles as the disks rotate (T/F) -
Correct Answers ✅True
Given the voltage of non-inverting amp as 5V with applied
input of 5 mV, the closed loop voltage gain in decibels is -
Correct Answers ✅60
Which sensor is not a passive sensor? (Does not requires
power for operation) - Correct Answers ✅Thermocouple
A LVDT position sensor is a - Correct Answers ✅inductive
type of proximity sensor
Which proximity sensor can be used as a touch sensor? -
Correct Answers ✅Capacitive proximity sensor
Which of the following type of the temperature sensor should
be used for low cost and large range of temperature
measurement? - Correct Answers ✅Thermocouple
Which of the following type of the temperature sensor
measure the voltage drop across two different types of
metal? - Correct Answers ✅Thermocouple
, Mechatronics Exam 1 - Logan Questions
and Answers (Latest Update 2025)
What is the working principle behind thermocouples? -
Correct Answers ✅Seeback Effect
Which of the following is a low-cost sensor, which is
commonly used as a thermal switch for motor protection
against overload? (Directly from quiz) - Correct Answers
✅PTC Thermistor
What thermo sensor is best used for an infared gun? -
Correct Answers ✅Thermopile
You need a low-cost device to measure the ambient
temperature at your home. Which of the following would be
your best choice? (Directly from quiz) - Correct Answers
✅Thermistor (NTC)
Which of the following type of the temperature sensor
measure uses semiconductor or polymer for its material?? -
Correct Answers ✅Thermistor (PTC)
Which of the following types of the temperature
measurement device have multiple thermocouples so that
there are more of the hot junctions? - Correct Answers
✅Thermopile
Which of the following sensors has commonly been used as a
temperature-controlled switch inside the thermostat of
