NUMERICAL EXPRESSIONS

 

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.