1. Scribing block is used to : (A) Hold the round bars during marking (B) Check the trueness of flat surfaces (C) Locate the centers of round bars (D) Check the surface roughness 2. A hacksaw blade cuts on the (A) Forward stroke (B) Return stroke (C) Both forward and return strokes (D) Cutting depends upon the direction of force ited States) 3. The teeth of hacksaw blade are bent (A) Towards right (B) Towards left (C) Alternately towards right and left and every third or fourth left straight (D) May be bent in any direction 4. A file removes the metal during (A) Forward stroke (B) Return stroke (C) Both forward and return strokes (D) None of these Strikethrough 4. A file removes the metal during (A) Forward stroke (B) Return stroke (C) Both forward and return strokes (D) None of these When the file is moved to and fro over the work, it is known as (A) Cross filing (B) Draw filing (C) Pull and push filing (D) None of these Strikethrough