1. Domestic pipeline fitting has the following components, EXCEPT
2. A valve controlling the release of liquid or gas is called
4. Another name for sumo is called
5. The applying of substance to a component to reduce friction is called
6. Methods of reducing friction are as follows EXCEPT
7. Which one is NOT a type of lubricant
8. The turning point of a lever is called
9. One of these is NOT a type of simple machine
10. A fastner characterized by a helical ridge is called
11. Examples of complex machines are as follows EXCEPT
12. A drive mechanism used to transmit mechanical power from one point to another is called
13. When effort balances a load , the ratio of the load to the effort is called
14. The component of a hydraulic and pneumatic machines that encloses a piston is called
15. Site preparation includes the following, EXCEPT
16. A shovel can be used in the following way, EXCEPT
17. One of these is not a mechanical tools for site preparation
18. The following are types of Taps, EXCEPT
19. Upthrust occurs due to
20. Upthrust is a A FORCE, while density is