
Quiz on Transducers and Controllers

Quiz
•
Engineering
•
University
•
Easy
MARSHAL GREYNER
Used 2+ times
FREE Resource
14 questions
Show all answers
1.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
What is a transducer?
A controller for electrical systems
A device that converts one form of energy into another
A type of sensor that detects motion
A machine that amplifies sound
Answer explanation
A transducer is specifically defined as a device that converts one form of energy into another, making this the correct choice. Other options describe different types of devices but do not capture the essence of a transducer.
2.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
Which of the following is an example of a transducer?
A microphone
A capacitor
A battery
A resistor
Answer explanation
A microphone is a transducer because it converts sound waves (acoustic energy) into electrical signals. In contrast, a capacitor, battery, and resistor do not perform this function.
3.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
What does a thermocouple do?
Converts sound into electrical impulses
Measures temperature and produces output voltages
Transforms mechanical energy into electrical energy
Generates light from electrical energy
Answer explanation
A thermocouple measures temperature by generating a voltage output that corresponds to the temperature difference between its two junctions, making 'Measures temperature and produces output voltages' the correct choice.
4.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
What is the process of changing energy from one form to another called?
Transference
Transduction
Transmission
Transformation
Answer explanation
The process of changing energy from one form to another is called transduction. This term specifically refers to the conversion of energy types, such as light to electrical energy in sensory systems.
5.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
Which property of a transducer measures the smallest unit of measurement?
Resolution
Dynamic Range
Sensitivity
Stability
Answer explanation
Resolution is the property of a transducer that indicates the smallest change it can detect in the input signal. It defines the precision of measurement, making it the correct choice for measuring the smallest unit.
6.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
What does the Signal to Noise Ratio (SNR) indicate?
The total energy output of a system
The ratio between the wanted signal and unwanted noise
The efficiency of a transducer
The maximum signal a system can handle
Answer explanation
The Signal to Noise Ratio (SNR) measures the strength of the desired signal compared to the background noise. A higher SNR indicates a clearer signal, making 'the ratio between the wanted signal and unwanted noise' the correct choice.
7.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
Which type of actuator creates circular motion?
Rotary actuator
Linear actuator
Pneumatic actuator
Hydraulic actuator
Answer explanation
A rotary actuator is specifically designed to create circular motion, making it the correct choice. In contrast, linear actuators produce straight-line movement, while pneumatic and hydraulic actuators can be either linear or rotary depending on their design.
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