Pneumatic Systems MCQ’s

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This set of Control Systems Multiple Choice Questions & Answers (MCQs) focuses on “Pneumatic Systems”.

1. A pneumatic symbol is:
a) Different from a hydraulic symbol used for the same function
b) The same as a hydraulic symbol used for the same function
c) Not to be compared to a hydraulic symbol used for the same function
d) None of the mentioned

2. Pneumatic systems usually do not exceed:
a) 1 hp
b) 1 to 2 hp
c) 2 to 3 hp
d) 4 to 5 hp

3. Fluid power circuits use schematic drawings to:
a) Simplify component function details
b) Make it so only trained persons can understand the functions
c) Make the drawing look impressive
d) Make untrained person to understand

4. Most hydraulic circuits:
a) Operate from a central hydraulic power unit
b) Use air-over-oil power units
c) Have a dedicated power unit
d) Does not have dedicated power unit

5. The lubricator in a pneumatic circuit is the:
a) First element in line
b) Second element in line
c) Last element in line
d) Third element in line

6. When comparing first cost of hydraulic systems to pneumatic systems, generally they are:
a) More expensive to purchase
b) Less expensive to purchase
c) Cost is same
d) Cost is not required

7. Hydraulic and pneumatic circuits:
a) Perform the same way for all functions
b) Perform differently for all functions
c) Perform the same with some exceptions
d) Does not perform all the functions

8. Series circuits work on both hydraulic and pneumatic actuators.
a) True
b) False

9. When comparing operating cost of hydraulic systems to pneumatic systems, generally they are.
a) More expensive to operate
b) Less expensive to operate
c) Cost is same to operate
d) Cost is not required

10. The most common hydraulic fluid is:
a) Mineral oil
b) Synthetic fluid
c) Water
d) Gel

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