Safety Question & Answer part 3

 

20. What is sand blasting?

The process of removing rust dust, dirt, scales and old prints from the old surface using compressed air is called sand blasting.

21. What is painting?

The process after sand blasting is called painting .

22. What is LEL?

The minimum concentration of vapour, gasses and dust in air below which propagation of flame does not occur on contact with a source of ignition is called LEL.

23. What is UEL?

The maximum proporation of vapour, gasses and dust in air above which proposal the flame does not occur on contact with a source of ignition is called UEL.

24. What is manual handing?

The process of lifting, carrying and stacking materials by men is called manual handing.

25. What is house keeping?

House keeping means not only cleanness but also orderly arrangement of operations, tools, equipments storage facilities and suppliers.

26. What is personal protective equipment?

It is an equipments used to project the person from hazards such dust, dirt, fumes and sparks etc. It is the barrier between hazard and person.

27. What is grinding?

Grinder is a portable machine with a wheel guard in position to reduced the danger.

28. What is Crane?

A tall machine used for moving heavy objects by suspending them from a projecting arm with hook.

29. What is fork lift truck?

Fork lift truck are designed to handle heavy loads.

30. What is JSA?

The procedure of analyzing job for the specific purpose of finding the hazards and developing .