Download PTU B.Tech 2020 March Automation-And-Robotics Question Paper 5th Sem BTAR 501 Hydraulic And Pneumatics

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Roll No. ‘ ‘ ‘ ‘ ‘ ‘ | ‘ ‘ ‘ ‘ Total No. of Pages : 02

Total No. of Questions : 09

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B.Tech.(Automation & Robotics) (2012 & Onward) (Sem.-5)

HYDRAULIC AND PNEUMATICS

Subject Code : BTAR-501

M.Code : 70475

Time : 3 Hrs. Max. Marks : 60

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INSTRUCTION TO CANDIDATES :

1. SECTION-A is COMPULSORY consisting of TEN questions carrying TWO marks each.
2. SECTION-B contains FIVE questions carrying FIVE marks each and students have to attempt any FOUR questions.
3. SECTION-C contains THREE questions carrying TEN marks each and students have to attempt any TWO questions.

SECTION-A

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1. Answer briefly :
   1. Differentiate between laminar and turbulent fluid flow.
   2. What do you meant by non-positive displacement pump?
   3. Define Reynolds number.
   4. What is biodegradable Oil?
   5. Give the graphical symbol for pressure reducing valve.

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   6. List out the basic types of filtering methods used in hydraulic systems.
   7. What is a hydraulic accumulator?
   8. What do you mean by cushioning of Fluid power actuators?
   9. What is the function of a lubricator?
   10. List out the most widely used types of seal configurations.

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1| M-70475 (S2)-333

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SECTION-B

1. What are the advantages of oil hydraulic systems over other methods?

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2. What are the desirable properties of hydraulic fluids? Discuss any eight of them in detail.
3. Draw fluid power symbols of any six different types of valves.
4. Explain the working of gear oil pump with neat sketch.
5. Mention different types of pumps used in fluid power system.

SECTION-C

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1. What are the factors to be selected in selection of a pump for automobiles lift? How will you measure the pump performance? Explain each with suitable Examples.
2. With the help of circuits, explain how synchronizing of two linear actuators are achieved by connecting them in series?
3. With neat sketch describe the constructions and operation of pressure regulated low control valve. Explain the working of four way two position direction control valve.

NOTE : Disclosure of Identity by writing Mobile No. or Making of passing request on any page of Answer Sheet will lead to UMC against the Student.

2 | M-70475 (52)-333

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