Workshop Technology Green sand is a mixture of 90% sand and 10% clay 70% sand and 30% clay 30% sand and 70% clay 50% sand and 50% clay 90% sand and 10% clay 70% sand and 30% clay 30% sand and 70% clay 50% sand and 50% clay ANSWER DOWNLOAD EXAMIANS APP
Workshop Technology The oxyacetylene gas used in gas welding produce a flame temperature of 3200°C 2100°C 1800°C 2400°C 3200°C 2100°C 1800°C 2400°C ANSWER DOWNLOAD EXAMIANS APP
Workshop Technology Metal patterns are used for Large scale production of castings Large castings Small castings Complicated castings Large scale production of castings Large castings Small castings Complicated castings ANSWER DOWNLOAD EXAMIANS APP
Workshop Technology Thermit welding is often used in Joining rails, truck frames and locomotive frames etc. All of these Replacing broken gear teeth Repairing broken shears Joining rails, truck frames and locomotive frames etc. All of these Replacing broken gear teeth Repairing broken shears ANSWER DOWNLOAD EXAMIANS APP
Workshop Technology The welding set up is said to have straight polarity, when Work is connected to the negative terminal and the electrode holder to the positive terminal Work is connected to the negative terminal and the electrode holder is earthed Work is connected to the positive terminal and the electrode holder is earthed Work is connected to the positive terminal and the electrode holder to the negative terminal Work is connected to the negative terminal and the electrode holder to the positive terminal Work is connected to the negative terminal and the electrode holder is earthed Work is connected to the positive terminal and the electrode holder is earthed Work is connected to the positive terminal and the electrode holder to the negative terminal ANSWER DOWNLOAD EXAMIANS APP
Workshop Technology The property of sand due to which the sand grains stick together is called Permeability Adhesiveness Collapsibility Cohesiveness Permeability Adhesiveness Collapsibility Cohesiveness ANSWER DOWNLOAD EXAMIANS APP
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