Chapter 2 :
2.1 *My family has!
2.2 Negative statement with have
I dont have, she doesnt have, not she doesnt has !
2.3 Yes/No questions with have
Do you have? Does he have work?
Chapter 3 :
3.2 adverbs of frequency with the simple present
Never -> hardly
Gears are machine elements used to transmit
rotary motion between two shafts with a
constant speed ratio.
Types of gear train
Simple gear train
Compound gear train
Reverted gear train
Epicyclic gear train
In the fi
8th edition, 2nd revision
PROPERTIES OF SINGLE-COMPONENT SYSTEMS
1. Intensive properties are independent of mass.
2. Extensive properties are proportional to mass.
Balancing is a technique of correcting or eliminating
unwanted inertia forces and moments in rotating machinery.
Balancing of rotating masses
A certain mass is attached to a rotating shaft it exerts some
centrifugal force whose effects to bend
is rotating machine element which gives
reciprocating or oscillating motion to another
element known as follower.
Classification of followers:
Knife edge follower
Flat faced or mushroom follower
Spherical faced follower