#semester 2
- Draw the projections of following points on a common reference line keeping the distance between their Answer: Draw the reference line XY and four projectors 30 mm apart. For each point mark the front view (a′, b′ …) from the H.P. distance and... 1
- A line AB, 70mm long, has its end A 15mm above HP and 20mm in front of VP. Answer: Front view a′b′ = 49.5 mm at 45° to XY, top view ab = 60.6 mm at about 54.7° to XY, end projectors 35 mm apart; HT is about 1.2 mm b... 1
- The distance between the end projectors of a line AB is 40 mm. The end point A is 15 mm above HP and 20 m in from
- The F.V. and T.V. of a line AB measures 50 mm and 60 mm respectively. The line is 70 mm long.
- Draw a helix of pitch equal to 70 mm on a cylinder of 60 mm diameter Answer: Divide the circumference and the pitch into the same number of equal parts (say 12) and join the points where the matching projector... 1
- A wheel of 56 mm diameter rolls downwards on avertical wall for half revolution and then on the horizontal floor
- Give a brief account of proximate analysis of coal . Answer: Proximate analysis of coal finds the percentages of moisture, volatile matter, ash and fixed carbon in a coal sample. It is a simple... 1
- what is Calorie ? it is the amount of heat required to raise the temperature of 1 gram of water through one degree centigrade. 1
- Characteristics of Good Fuel i) Fuel should have high calorific value. ii) Must have moderate ignition temperature. iii) Fuel should have low moisture content. iv) Avail... 1