Rajasthan Polytechnic Third Year Paper 2016 – Printing Materials
Following is prepared from the lead, tin and antimony
(a) Litho plate
(b) Type Alloy
(c) Gravure plate
(d) All above are wrong
Litho plate plate-metal should have
(a) Sensitivity to water
(b) Sensitivity to oil
(c) Above (a) & (b) right
(d) Above (c) wrong
Main metals used in lithographic printing are
(a) Aluminium
(b) Copper
(c) Zinc
(d) All above right
Generally aluminium is used as lithoplate metal, because
(a) It has no affinity towards water
(b) It has affinity towards oil only
(c) It has feature of absorption of both oil and water
(d) None of the above right
Raw material for paper manufacturing is obtained from
(a) Cotton
(b) Torn cloths
(c) Wood
(d) All of the above
Paper used for the newspaper is called
(a) Security paper
(b) Newsprint
(c) Above (a) right
(d) Above (b) wrong
Gloss producing method in paper making is called
(a) Coating
(b) Sizing
(c) Calendaring
(d) Pulping
Dandy roll in certain place has
(a) Trade mark of paper manfuacturing company
(b) Above (a) wrong
(c) Above (b) right
(d) Above all wrong
Main colouring element of the ink is
(a) Vehicle
(b) Pigment
(c) Dryer
(d) Reducer
Element responsible for binding the ink on paper and giving durability to ink, is called
(a) Vehicle
(b) Pigment
(c) Dryer
(d) Reducer
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