Envlmnt No.
GUJARAT TECHNOLOGICAL UNIVERSITY
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BE - SEMESTER-1V (NEW) EXAMINATION - WINTER 2018
Subject Code: 2142302 Date: 05/12/2018
Subject Name: Industrial Hydraulics and Pneumatics
Time: 02:30 PM TO 05:00 PM Total Marks: 70
Instructions:
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- Attempt all questions.
- Make suitable assumptions wherever necessary.
- Figures to the right indicate full marks.
MARKS
Q.1 (a) (1) The total force exerted on a unit area is called 03
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(2) Which are the three forms of energy that found in oil hydraulic system?
(3) Define Pascal’s Law.
(b) (1) Define Hydraulics 04
(2) Define Pneumatics
(3) What is prime mover?
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(4) Draw the symbol of Two way valve.
(c) Explain about counter balance type pressure control in detail. 07
Q.2 (a) Draw any one Pneumatic circuit for plastic processing industry. 03
(b) Define and explain Pascal’s law with suitable example. 04
(c) Draw and explain Deceleration circuit. 07
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OR
(c) Explain Four way valve in detail with neat sketch. 07
Q.3 (a) Compare: Filters and strainers. 03
(b) List the types of connectors. Explain any one in brief. 04
(c) Explain any one Pump in detail with neat sketch. 07
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OR
Q.3 (a) Draw symbols of the following: (1) Line, Passing (2) Cylinder, Single Acting (3)Check Valve 03
(b) Short note: Pressure Gauge 04
(c) Explain the ideal characteristics require for hydraulic oil. 07
Q.4 (a) Give the classification of Pumps. 03
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(b) What are the different parts of an air compressor? 04
(c) Explain Pilot operated check valve with neat sketch. 07
OR
Q.4 (a) What is the purpose of Heat Exchanger in plastic processing machine? 03
(b) What is Accumulator? List the types of Accumulator. 04
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(c) Define and Explain Bernoulli’s Principle with example. 07
Q.5 (a) Explain about Packing and seals in brief. 03
(b) What are the applications of Hydraulics? 04
(c) Compare: Hydraulics and Pneumatics 07
OR
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Q.5 (a) List the advantages of Hydraulics. 03
(b) Explain about FRL unit. 04
(c) Explain construction and working of Two-way valve. 07
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