PARK COLLEGE OF ENGINEERING AND TECHNOLOGY
DEPARTMENT OF ENGLISH
HS 8251 TECHNICAL ENGLISH
NUMERICAL
EXPRESSIONS
Expand
the following:
1.
5000rev/min Five
thousand revolutions per minute
2.
150 rpm One
hundred and fifty revolutions per minute
3.
400ppm Four
hundred parts per million
4.
6,28m/s Six
point two eight metres per second
5.
40%w/v Forty
percentage weight per volume
6.
530 kHz Five
hundred and thirty kilohertz
7.
1500kg/cm3 One
thousand five hundred kilogram per centimeter cube
8.
273K Two
hundred and seventy three Kelvin
9.
500Btu/ft3 Five
hundred British thermal units per cubic feet.
10.
15 psi Fifteen
pounds per square inch.
11.
40 ppm Forty
parts per million
NUMERICAL
ADJECTIVES
Rewrite the following as numerical
adjectives:
Note: When the numerical expression
is placed in the position of an adjective before the noun, the single form of
the number is used. The plural form is not used.
Examples:
1.
A journey of 20 miles: A
20-mile journey.
2.
A project of 10 years: A
10-year project.
3.
A vocation for thirty days: A
30-day vocation
4.
A workshop for 5 days: A
five- day workshop.
5.
A walk of 5 kilometers: A
five- kilometer walk.
6.
A tank with a capacity of 1000 litres: A
1000-litre (capacity) tank
7.
A research grant of Rs.2 lakhs: A
two- lakh rupee research grant.
8,
A lamp of a power of 60 watts A
60- watt lamp
9.
A match lasting for 5 days: A
five day match
10,
A flask with a capacity of 2 litres: a
two- litre flask
11.
A squad of 1000 men: A
1000-.man squad
12.
An interval of 10 minutes: A
ten- minute interval
13.
A DC supply of 240 volts: A
240- watt DC supply
14.
A team consisting of 3 men: A
three- man team.
15.
A book with 80 pages: A
80-page book
16.
A group of 10 nations: A
ten- nation group
17.
A college that is 40 years old: A
forty-year old college.
18.
A highway of 456 kilometres: A
456- kilometer highway
19.
A workforce of 300 men: A
300- man work force.
20.
A seminar held for two days: A
two-day seminar.
21.
a building with six floors: A
six –floor building
22.
An industry that is 20 years old: A
20-year old industry.
23.
A bottle containing 2 litres of water: A
two- litre water bottle.
24.
An expedition lasting for three days: A three- day expedition
25.
A project proposal for 10 crores: A
ten- crore project proposal
Exercise:
Rewrite the following as numerical adjectives
(Anna university April/May 2018)
1.
Three barrels which can hold five litres each
2.
Storage space of 32 giga bytes
3.
An electric cable which is ten metres length
4.
Project lasting for two years
Check
your answers:
1.
A five- litre three barrels.
2.
A 32- giga byte storage space
3.
A ten- metre electric cable
4.
A two- year project.
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