Q2. (a) Describe Hydraulic Jack for large nut tightening used onboard; Draw diagrammatic Sketch of the jack describing each part. (8)
(b) Describe procedure for tightening and unscrewing the nut with Hydraulic Jacks. (8)
Q3. (a) Describe required properties of cutting tools. (8)
(b) Describe materials used for making cutting tools. (8)
Q7. Describe safety guidelines to be followed for the usage of the following tools:
(a) General safety precautions for electric tools (6)
(b) Safety precautions with powered abrasive tools like grinding, cutting, wire buffing tools (6)
(c) Safety precautions using pneumatic powered tools (4)
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