A low viscous fluid as lubricant is basically used for extraction of cores from the core boxes.(a) True(b) FalseI have been asked this question in an interview for job.My query is from Core Making Machines topic in section Foundry Mechanizations of Casting-Forming-Welding I

A low viscous fluid as lubricant is basically used for extraction of c

1.	A low viscous fluid as lubricant is basically used for extraction of cores from the core boxes.(a) True(b) FalseI have been asked this question in an interview for job.My query is from Core Making Machines topic in section Foundry Mechanizations of Casting-Forming-Welding I
Answer» Correct OPTION is (B) False Easiest explanation: After ramming of sand, the core box is put on a core PLATE SUPPORTED by the machine bed. A rapping ACTION is generated on the core box by vibrating a vertical plate. This rapping action helps in extracting the core from the core box. After rapping the core box, the core is pulled up and gets onto the core plate.

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A low viscous fluid as lubricant is basically used for extraction of cores from the core boxes.(a) True(b) FalseI have been asked this question in an interview for job.My query is from Core Making Machines topic in section Foundry Mechanizations of Casting-Forming-Welding I

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