Force Sensors MCQ’s

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This set of Mechatronics Multiple Choice Questions & Answers (MCQs) focuses on “Force Sensors”.

1. What is the standard capacity of tension load cells to measure load?
a) 25,000 to 100,000 lbs
b) 25,00 to 10,000 lbs
c) 25,000 to 100,000 Kg
d) 25,00 to 10,000 Kg

2. Which force sensor is not a strain gauge type force sensor?
a) Load pins
b) Shear beams
c) Tension links
d) ALC annular load cell

3. Which is the most common load cell used in the force sensors?
a) Hydraulic load cells
b) Strain-Gauge based load cells
c) Pneumatic load cells
d) Capacitive load cells

4. Which transducer does not require any external power supply for working?
a) Strain gauge transducer
b) Piezoelectric Crystals
c) Hydraulic transducer
d) Pneumatic transducer

5. Higher capacitive load cells can ensure Wind loading and shock loading.
a) True
b) False

6. What causes the problem of 60-hertz hum?
a) In-appropriate voltage supply
b) Absence of digital to analog converter
c) In-appropriate current supply
d) Absence of analog to digital converter

7. RFI (Radio frequency interference), moisture and temperature cannot interfere with the signals sent by the load cells.
a) True
b) False

8. RFI is electrical noise to load cells. What does RFI stand for?
a) Radio Frequency Interface
b) Radio Frequency Interference
c) Relay Frequency Interference
d) Relay Frequency Interface

9. What is the phenomenon (principle) on which magnetoelastic force sensors work?
a) Villari effect
b) Hall effect
c) Lenz law
d) Mutual Induction

10. What is the value of force measured by a force sensor lying on a plane ground if a block of mass 3 kg is kept on it and a normal upward tensile force of 5 Newton is applied on the block? (Take acceleration due to gravity=10m/s2)
a) 15 Newton
b) 25 Newton
c) 30 Newton
d) 24 Newton

11. What is the value of force, measured by a force sensor placed on the wall; if a rigid block of mass 3kg is smashed against the wall with an acceleration of 5m/s2? (Take acceleration due to gravity=10m/s2)
a) 15 Newton
b) 20 Newton
c) 16 Newton
d) 0 Newton

12. Which is an example of force sensor?
a) MSP430G2ET
b) CMCP793V-500
c) SLB700A/06VA
d) L298N

13. What is the value of force measured by a force sensor lying on a plane ground if a block of mass 2 kg is kept on it and a normal upward tensile force of 4 Newton is applied on the block? (Take acceleration due to gravity=10m/s2)
a) 15 Newton
b) 20 Newton
c) 16 Newton
d) 24 Newton

14. What should be the acceleration of a rigid body of mass 5kg; if a force sensor measures a normal collision impact force of 15N? (Ignore acceleration due to gravity)
a) 5 m/s2
b) 13 m/s2
c) 6 m/s2
d) 3 m/s2

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