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Department of Mechanical Engineering
GWT
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Question 1 : In electroplating process, on applying D.C voltage
Option-1 :current leaves anode
Option-2 :migrate through electrolyte
Option-3 :gets deposited on cathode
Option-4 :all of the above
Question 2 : Cost of galvanizing process when compared to electroplating process is
Option-1 :quite high
Option-2 :quite low
Option-3 :both are same
Option-4 :none of the above
Question 3 : Parts to be galvanized are fluxed by dipping into a solution of
Option-1 :sulphuric acid
Option-2 :phosphoric acid
Option-3 :zinc chloride and HCL acid
Option-4 :nitric acid
Question 4 : Thermo-forming process can be used for
Option-1 :thermosetting plastics
Option-2 :thermoplastics
Option-3 :rubber
Option-4 :both (A) and (C)
Question 5 : Name the process by which complicated and intricate shape can be produced very easily
Option-1 :injection moulding
Option-2 :compression moulding
Option-3 :extrusion
Option-4 :calendering
Question 6 : Pot type or plunger moulding is the other name of
Option-1 :transfer moulding
Option-2 :injection moulding
Option-3 :compression moulding
Option-4 :none of these
Question 7 : What are the various methods available for processing plastics into various usable products
Option-1 :compression moulding
Option-2 :transfer moulding
Option-3 :injection moulding
Option-4 :all of these
Question 8 : Fluids flow in pipes
Option-1 :under pressure
Option-2 :under gravity
Option-3 :under pressure or gravity
Option-4 :none of the above
Question 9 : pipes are made of various materials like
Option-1 :cast iron
Option-2 :WROUGHT IRON
Option-3 :concrete
Option-4 :all of the above
Question 10 : Which pipe is used for laboratory work
Option-1 :clay pipe
Option-2 :aluminium
Option-3 :glass pipe
Option-4 :plastic
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