b)

0)

a)
b)

0)

111124 Pages: 3

Explain the main functions of the piston in an internal combustion engine?

Make out a systematic classification of pressure vessels and discuss the role of
statutory regulations.

A seamless cylinder with a storage capacity of 0.025 ൩ is subjected to an internal
pressure of 8 MPa. The length of the cylinder is twice its internal diameter. The
cylinder is made of plain carbon steel 2068. (Ultimate stress is 380 MPa and
Factor of safety is 2.5) Determine the dimensions of the cylinder.

Enumerate the various types of flat belt drives.

Explain galling of Roller chains.

Design a flat belt drive for a compressor running at 670 rpm, which is driven by a
25 kW, 1340 rpm motor. Space is available for a centre distance of 3 m. The belt

is open type.

Page 3083

(4)
(4)

(12)

(3)
(3)
(14)