Pepito

I. Review Questions

Encircle the letter of the best answer.

1. Specific weight is also known as __________.

a. Specific gravity

b. Relative density

c. Unit weight

d. Specific Mass

2. Specific weight is equal to __________.

a. Mass over volume

b. Weight over volume

c. Mass over area

d. Weight over area

3. Pressure is equal to __________.

a. Force divided by the area of application

b. Specific weight divided by the area of application

c. Force divided by volume

d. Specific weight divided by volume

4. The theoretical formula for pressure is __________.

a. Specific weight multiplied by volume

b. Specific weight multiplied by the area of application

c. Specific weight multiplied by the height or pressure head

d. None of the above

5. For a pressure head of 1 meter water, the pressure is equivalent to __________.

a. 9.81 kNm2

b. 9.81 kNm3

c. 62.4 lbft3

d. 62.4 lbft2

6. In the formula of pressure in terms of the force and area, the area to be considered is __________ to the force.

a. Parallel

b. Perpendicular

c. Slanted

d. None of these

7. The unit of pressure in SI is __________.

a. kPa

b. kN

c. kNm3

d. lbft2

8. The unit of pressure in English system is __________.

a. kPa

b. kN

c. kNm3

d. lbft2

9. Pressure is also known as __________.

a. Force

b. Stress

c. Strain

d. None of these

10. Pascal is another name for __________.

a. Nm2

b. Nm3

c. lbft2

d. lbft3