Question: ( a ) By using suitable pneumatic circuit, show the classifications of pneumatic elements. [ Dengan menggunakan litar pneumatik yang sesuai, tunjukkan pengelasan bagi komponenkomponen

(a) By using suitable pneumatic circuit, show the classifications of pneumatic elements. [Dengan menggunakan litar pneumatik yang sesuai, tunjukkan pengelasan bagi komponenkomponen pneumatik.]
(6 Marks / Markah)
(b) Explain the hydraulic circuit in metering-out, metering-in and their function with working principal respectively.
[Terangkan litar hidraulik dalam 'pemeteran-keluar','pemeteran-masuk' dan terangkan fungsinya dengan prinsipal kerja masing-masing.]
(6 Marks / Markah)
(c) A pneumatic drilling machine contains two double acting cylinders as shown in Figure 2. When the work piece is placed at its position, cylinder A will clamp the work piece. Then, the drilling process is started, where the spindle is controlled by cylinder B. After finish drilling, cylinder B will retract to the initial position, then the clamping cylinder will retract back.
[Sebuah mesin pengerudian pneumatik mengandungi dua silinder bertindak berganda seperti ditunjukkan dalam Rajah 2. Apabila benda kerja diletakkan pada pasisinya, silinder A akan mengapit benda kerja tersebut, Kemudian, proses penggerudian dimulakan, dimana spindle dikawal oleh silinder B. Selepas kerja penggerudian lengkap, silinder \( B \) akan bergerak masuk ke posisi asalnya, kemudian silinder pengapit akan ditarik balik.] i. Sketch a Displacement-step diagram for this system operation.
[Lukiskan Gambarajah Langkah-anjakan untuk operasi sistem ini.]
(3 Marks / Markah)
ii. Describe the flow of the pneumatic system with the pneumatic circuit. [Terangkan proses sistem pnuematik tersebut dengan bantuan litar pneumatik.]
(10 Marks / Markah)
( a ) By using suitable pneumatic circuit, show

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