Tag: #energyefficiency
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EK General Mar 2022 (Q7)
With reference to air compressors for general service use: (a) Explain the principle of operation of a screw type compressor (4) (b) Explain the advantages of screw compressors over reciprocating compressors in terms of running and maintenance (6) Compressed air system Mar 2022 (Q7)
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EK General Oct 2021 (Q5)
(a) Sketch a rotary vane steering and hydraulic circuit showing 2 X 50% units and the directional control valve (6) (b) Describe how the system in part (a) can still operate should an oil leak occur (2) (c) State the advantage of rotary vane compared to four ram steering gear (2) Steering & stabilizers Oct…
UKM Tuticorin 