7/21/2019 ASSIGNMNET 2 Bmech

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ASSIGNMNET 2

BASIC MECHANICAL ENGINEERING

UNIT - IV IC ENGINES

Part A

1. What is a heat engine

2. H!" #! $!% &'assi($ IC engines

). What is the (%n&ti!n !( a &ar*%ret!r

+. What is ,tt! &$&'e

. What is n!"n as s&a/enging

0. i((erentiate (ire t%*e *!i'ers (r! "ater t%*e *!i'ers

3. Menti!n an$ (!%r *!i'er !%ntings

8. What is the 4%r4!se !( a (%si*'e 4'%g in a *!i'er

5. C!4are 4etr!' an# #iese' engines.

Part B

1. E64'ain the "!ring 4rin&i4'e !( a +-S #iese' engine "ith a neat set&h

2. ra" a neat set&h !( a si4'e (ire t%*e *!i'er an# e64'ain its "!ring in #etai'

). E64'ain the "!ring !( a t"! str!e Petr!' engine7 "ith set&hes (!r the (!''!"ing

e/ents8 i9En# !( &!4ressi!n:iii9 Start !( &!4ressi!n:ii9Beginning !( e6ha%st

+. C!4are an# &!ntrast 2-str!e "ith +-str!e &$&'e engines.:!r9 What are the #i((eren&es

 *et"een t"! str!e an# (!%r str!e engines