Electro-Pneumatics MCQ’s

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This set of Mechatronics Multiple Choice Questions & Answers (MCQs) focuses on “Electro-Pneumatics”.

1. Which actuator does not need any external power source?
a) 3 phase motor
b) Solenoid valve
c) Wax Motor
d) BO motor

2. How many directions are there, for a fluid to flow in check valves?
a) 1
b) 2
c) 3
d) 4

3. Which is an electro-pneumatic device?
a) Seven Segment display
b) BO Motor
c) Hydraulic cylinder
d) Lithium battery

4. How many directions are there, for a fluid to flow in shuttle valves?
a) 1
b) 2
c) 3
d) 4

5. Thermal actuators need electric current for operation.
a) True
b) False

6. Which valve should be used if there is a need of fluid to flow in 4 directions?
a) Spool valve
b) Shuttle Valve
c) Check valve
d) Rubber valve

7. The OPEN and CLOSE time of an electro pneumatic valve can be controlled using PLC control system.
a) True
b) False

8. What is the full form DCV in terms of pneumatic control systems?
a) Delicate Control Valve
b) Distance Control Value
c) Directional Control Valve
d) Diameter Control Valve

9. Which valve works on electricity and not on pressure difference?
a) Rubber valve
b) Pilot Valve
c) Check valve
d) Solenoid valve

10. Who invented check valve?
a) Norbert wiener
b) Robert Wiener
c) Charles young
d) Frank P. Cotter

11. Wax motor does not require external electrical power source.
a) True
b) False

12. Which is an example of pressure regulator?
a) R100UD
b) CMCP793V-500
c) SLB700A/06VA
d) FN2060A-6-06

13. Solenoid valves cannot be used for controlling the valve of a liquid flowing through a channel.
a) True
b) False

14. What type of motion can be achieved using thermal actuator?
a) Rectilinear
b) Spiral
c) Circular
d) Parabolic

15. Which is an example of push pull solenoid electromagnet?
a) R100UD
b) CMCP793V-500
c) SLB700A/06VA
d) JF-0630B

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