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 1 / 3
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 2 / 3
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
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