The parts of Speech answer the question

	Answers the question
Subject	Who	what
Complement	What	Whom
Modifier	Where	When	Why	How
Adverb	How

When to use an article - General Rules (There are always exceptions)

	Count Nouns		Non-Count Nouns
	Singular	Plural	Singular	Plural
General	A / an	-	-	-
Specific	The	The	The	The

Different Pronouns in singular and plural

	Singular			Plural
Subject Pronouns	I	You	He She It	We	You	They
Comparative Pronouns	Me	You	Him Her It	Us	You	Them
Possessive Pronouns	Mine	Your	His Hers Its	Ours	Yours	Theirs
Possessive Adjectives	My	Your	His Her Its	Our	Your	Their
Reflective Pronouns	Myself	Yourself	Himself Herself Itself	Ourselves	Yourselves	Themselves

How the properties of atoms behave along the periods and groups in a periodic table

Properties	Period (periodic table)	Group (periodic table)
Atomic Radius	Decreases	Increases
Ionization Energy	Does not follow	Decreases
Electronegitivity	Increases	Decreases
Electro positive	Decreases	Increases
Oxidizing Property	Increases	Decreases
Reducing Property	Decreases	Increases

Differences between Diamond and Graphite

S.No.	Property	Diamond	Graphite
	Structure	Crystalline Solid	Gravish-black soft crystalline solid
	Density	3.51 gm/cc	2.25 gm/cc
	Arrangement of Atoms	Tetrahedral	Hexagonal
	Bond Length	1.54 A0	1.42 A0
	Bond Angle	1090281	1200
	Type of Bond	Covalent bond between carbon atoms	No strong covalent bond between the atoms in the two adjacent layers
	Conductivity	Bad conductor of heat and electricity	Good conductor of heat and electricity
	Solubility	Insoluble in any solvent	Insoluble in any solvent

Conversion of currency units

4 farthings = 1 Penny

12 pence = 1 Shilling

12 Shillings = 1 florin

5 Shillings = 1 Crown

20 Shillings = 1 Pound

21 Shillings = 1 Guinea

12 pies = 1 anna

16 annas = 1 rupee = 100 paisa

Symbolic representation of Heat Exchangers

Difference between a laminar flow and a turbulent flow

Crude Oil distillation - various products and their uses

Positive Displacement Pumps and thier depiction

Standard symbols used for centrifugal pumps

Symbols used for Storage Tanks