Download GTU (Gujarat Technological University) BE/BTech (Bachelor of Engineering / Bachelor of Technology) 2019 Winter 3rd Sem New 3132305 Hydraulics And Pneumatics In Plastic Industry Previous Question Paper
Seat No.: ________ Enrolment No.___________
GUJARAT TECHNOLOGICAL UNIVERSITY
BE - SEMESTER ? III (New) EXAMINATION ? WINTER 2019
Subject Code: 3132305 Date: 03/12/2019
Subject Name: Hydraulics & Pneumatics in Plastic Industry
Time: 02:30 PM TO 05:00 PM Total Marks: 70
Instructions:
1. Attempt all questions.
2. Make suitable assumptions wherever necessary.
3. Figures to the right indicate full marks.
Marks
Q.1 (a) Explain in brief about Pascal?s law 03
(b) Draw symbols: (1) Cylinder,double acting (2) Filter (3)
Pressure switch (4) Check valve
04
(c) List advantages of Hydraulic system 07
Q.2 (a) List disadvantages of Hydraulic system 03
(b) Explain Bernoulli?s principle 04
(c) Compare: Hydraulic and Pneumatic 07
OR
(c) Explain four way valve in detail. 07
Q.3 (a) Explain about Packing and Seals in brief 03
(b) Solve: In hydraulic mechanism 100 kg force is applied on pump
side whose piston diameter is 10 cm.If jack side piston diameter
is 40 cm,calculate the force developed on the top of the jack .
Also calculate the movement of jack piston if pump plunger
moves 500mm
04
(c) Explain ideal characteristic required for hydraulic oil 07
OR
Q.3 (a) Give classification of valves 03
(b) Define (1) Pressure (2) Power (3) Potential energy (4) Servo
valve
04
(c) Draw & Explain about Gear Pump in detail 07
Q.4 (a) Explain about Gauges used in hydraulic system 03
(b) Explain about connecters in brief 04
(c) Draw & Explain Pilot operated check valve 07
OR
Q.4 (a) Draw the Filteration circuit 03
(b) Give classification of Hydraulic Pumps 04
(c) Explain single stage pressure intensifier with neat sketch 07
Q.5 (a) Differentiate :Filter and Strainer 03
(b) Give classification of check valves 04
(c) Explain single acting Air compressor in detail with neat sketch 07
OR
Q.5 (a) List the different types of Accumulators 03
(b) Draw symbols (1) temperature gauge (2) Two-way valve (3)
Electric motor (4) Accumulators, Gas charged
04
(c) Draw and Explain Deceleration circuit 07
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This post was last modified on 20 February 2020