what type of interview questions should i expect on hydraulics and pneumatics
There may be questions like (1) Do you know how to convert Kg/sq.cm into lb/sq.in? (2) draw and explain the hydraulic ram (3) Why hydraulic test instead of pneumatic test preferred for testing presuure vessels? (4) Explain the formula P1V1 = P2V2 (5) Accumulator Explanation (6) :Laws of Thermodynamics
To add to the questions that ultimate provided:
1. Please, read and interpret this hydraulic schematic.
2. What is the difference between a single acting and a double acting cylinder?
3. Prepare a simple hydraulic or pneumatic circuit diagram.
4. How do you control water hammer in a hydraulic system?
5. Describe the advantages and disadvantages of these types of pumps-
– Lobed pumps
– Vein pumps
-diaphragm pumps
– piston pumps
-centrifugal pumps
6. Which of the pumps from question 5 are considered positive displacement pumps?
7. Propose a problem with hydraulic system and ask for solutions. You may want to have an associate of your pose some specific questions here.