ME Chapter 2
Quiz
•
Physical Ed
•
University
•
Hard
Alexander Delp
Used 10+ times
FREE Resource
8 questions
Show all answers
1.
MULTIPLE SELECT QUESTION
45 sec • 5 pts
Which of the following criteria can be used to classify sensors?
Signal source
Measurand
Measuring volume
Measuring duration
Measuring principle
2.
MULTIPLE CHOICE QUESTION
45 sec • 5 pts
Which of the following statements is true for active sensors?
They add energy to the measurement process.
An external energy source provides the necessary energy
They produce energy from the measurment process
They record the measurand by means of physical/chemical effects
3.
MULTIPLE SELECT QUESTION
45 sec • 5 pts
Which sensor is a passive sensor?
Strain gauge
Hot wire
Thermocouple
Capacitive pressure sensor
Photo element
4.
MULTIPLE CHOICE QUESTION
45 sec • 5 pts
Thermocouples are based on which following effect?
Seebeck effect
Joule-Thomson effect
Carnot effect
Kirchhoff effect
Skin effect
5.
MULTIPLE CHOICE QUESTION
45 sec • 5 pts
What sensor is displayed in the shown image?
Strain gauge
Load-cell
Extensometer
Capacitive pressure sensor
Linear variable differential transformer (LVDT)
6.
MULTIPLE SELECT QUESTION
45 sec • 5 pts
Matthiessen's law contains which of the following statements regarding the specific electrical resistance of a material?
Volume-dependency due to the size of the measured material
Temperature-independency due to scattering of electrons by defects
Electric current-dependency due to the amount of electrons passing through the material
Temperature-dependency due to scattering of electrons by lattice vibrations
7.
MULTIPLE CHOICE QUESTION
45 sec • 5 pts
Ultrasonic waves are part of which frequency range?
5 - 10 kHz
Above 20 kHz
Below 13 kHz
10 - 20 MHz
5 - 30 Hz
8.
MULTIPLE CHOICE QUESTION
45 sec • 5 pts
What types of measurement principles can be used to investigate the volume of a material?
Ultrasonic measurement
Infrared thermography
X-ray radiation
Optical-deformation measurement
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