The borders of a Drawing sheet have minimum width of size Ao and A1 And for size A2,A3, the minimum width is

In the first angle projection is placed between and plane.

Identify Right hand and Left hand threads.

<img src='./qimages/15865-1c.jpg'>

Which method of indicating angle less than 30° is correct?

<img src='./qimages/15865-1d.jpg'>

Draw possible front and side views for top view shown below.

<img src='./qimages/15865-1e.jpg'>

Draw section through unified standard thread and show angle, depth and height.

Sketch a Gib head key on a shaft.

Name two types of coupling to connect two coaxial shafts.

Sketch a cup head rivet.

2. A shaft of 50 mm dia. carries a pulley of hub of out dia. 100 mm. The hub is 80 mm long and the pulley has 6 arms. A square key of 15 x 15 mm^2 cross-section connects the hub with shaft whose 50 mm dia. increases to 70 mm with transition radius of 5 mm.

Draw:

Front view with section

Side view full

Show only the hub. You need not show circumference of pulley.

OR

Two 16 mm thick plates are jointed in double riveted butt joint. Find the pitch, back pitch and diagonal pitch. Draw front view and plan for their rivet length.

3.

<img src='./qimages/15865-3-i.jpg'>

Bush type journal bearing is shown above in Figure 1. Draw:

Front view,

Plan and

Side view, all full without sectioning.

OR

<img src='./qimages/15865-3-ii.jpg'>

For the object shown in Figure draw:

Front view

Plan

Right hand side view