Q1) Design the sketch of 4/3 D.C. valve and also specify its symbol.
Q2) Explain the different pipe material that is used in the hydraulic systems.
Q3) Describe the rotary spool DCV with the help of neat sketch.
Q4) Explain the construction and working of the telescopic hydraulic cylinder.
Q5) Provide the classification of filters that are used in the hydraulic systems. Describe any one of therm.
Q6) Describe hydraulic circuit for shaping machine with neat sketch.
Q7) Describe hydraulic circuit for clamping component on drilling machine with neat sketch.
Q8) Describe pressure dependent sequencing circuit with neat sketch.
Q9) Explain the different methods of the motion synchronization? Describe Rack pinion arrangement.
Q10) Below are the some problems mentioned, give the probable causes and remedy of it.
a) Excessive Noise in hydraulic pump.
b) Excessive heating of oil.
c) Pressure control valve not functioning correctly.