Answer the following problems.

problem 1)a) What are the various functions of skin and How do you classify/differentiate severity of burns.

b) Describe Risk assessment decision tree in machine operation.

problem 2)a) Describe different non destructive testing methods (NDT) to test the pressure vessels.

b) Describe different sources of Electrical Hazards in detail.

c) List and describe lightning hazard control measures.

d) What are the three elements of fire triangle? describe in detail?

e) Name and describe different classes of fire.

problem 3) Describe different air born contaminants?

b)i) Describe the term non ionization radiation and types of non ionization radiation

ii) Name different Electromagnetic field in the work place

c) How do you identifying and Assessing Hazardous Noise conditions

d) What are the Engineering controls to device to reduce the sound level at the workplace

problem 4) Describe in detail the different “Details Hazard Analysis methods”

b) What is the fundamental weakness of Failure Mode and Effects Analysis (FMEA) and Hazard and Operability Review (HAZOP)? How can it be overcome?