What factors can increase the force onthe walls of the pipes in any piping systems
A: Narrower pipes
B: Thicker pipes
C: The properties of fluid
D: Extra fluid
A: Narrower pipes
B: Thicker pipes
C: The properties of fluid
D: Extra fluid
举一反三
- What are the factors attributing to the increase of the force on the walls of the blood vessels A: Extra fluid B: The properties fluid C: Narrower blood vessels D: Environment facto
- What can increase the force on the walls of blood vessels A: Fluid properties B: Extra fluid C: Vasoconstriction D: All of the above
- What are the factors that increase the pressure on the tube wall？ A: The properties of the fluid B: Vasodilatation of vessel C: Narrower pipes. D: Extra fluid
- 用水冲洗管道。 A: Flush the pipes with water. B: Rinse the pipes with water. C: Clean pipes with running water.
- Emulsion oils and sodium nitrite are both approved additives， but the latter cannot be used if any pipes are （） or if any soldered joints exit.