Which statement is false?
(a) Drawing for instruction manual: This is assembly drawing without dimensions. This is also used for explaining the working principle of each part
(b) Exploded assembly drawing: This type of assembly drawing is used for explaining the working principle of any machine
(c) Drawing for catalogue: Special assembly drawings are prepared for catalogues, with overall and principal dimensions
(d) Patent drawing: It is generally assembly drawing either in pictorial form or principal view of orthographic projection of a machine
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The query is from Sheet layout, Types of Machine Drawing and Free-Hand Sketching topic in portion Drawing Instruments, Sheet Layout & Free-Hand Sketching of Engineering Drawing