MACHINE DRAWING 2018 Question Paper — Government College of Engineeri…

The 2018 MACHINE DRAWING previous year question paper (Government College of Engineering and Technology, Jammu), with every question and its marks.

Instructions

Attempt Question No. 1 which is compulsory.

Q1. Draw the following assembled views of the Locomotive Connecting Rod End whose details are given in figure A attached. (i) Half sectional front view (ii) Full sectional top view (iii) End view-looking from left hand side. [55 marks]

Attempt any three questions from Section B.

Q2. Figure B, shows the exploded assembly of a gib and cotter joint for square rods. Draw, to a scale full size, the following orthographic views of the assembly : (i) Front view upper half in section (ii) Top view, outside (iii) Right hand side view. Give all the necessary dimensions. [15 marks]
Q3. From the details given in figure C attached, draw the following views of the assembly of a protected type flange coupling : (i) Front view, lower half in section, (ii) End view, looking from left side. [15 marks]
Q4. Draw the following views of the pin type flexible coupling given in figure D attached. Use a full size scale and give all the necessary dimensions. (i) Front view, lower half in section, (ii) Side view, looking from right side. [15 marks]
Q5. An inline knife-edge follower for a plate cam is to have the following motion; $0^\circ - 90^\circ$ dwell, $90^\circ - 120^\circ$ lift of 30 mm with S.H.M., $120^\circ - 240^\circ$ dwell, $240^\circ - 360^\circ$ fall of 30 mm with uniform velocity. The cam is to rotate clockwise and the least cam radius is to be 50 mm. Construct the cam profile full-size. [15 marks]
Q6. Draw a gear and pinion in engagement showing few teeth on each, with the following data : Pinion : No. of teeth = 12, Metric module, $m = 5$, Gear : No. of teeth = 30, Metric module, $m = 5$. Assume a pressure angle of $20^\circ$. [15 marks]