Health, Safety and Environment in Petroleum Industry Mid - I, September - 2014

1.What is the viscosity control agent or chemical in water based drilling fluids?
  • Barium sulfate (Barites)
  • Bentonite clays
  • Chromium
  • Lignite
Answer: B
2.What is the major source of air pollutants from internal combustion engines?
  • NOx and CO
  • CH4
  • O2
  • Propane & butane
Answer: A
3.To which threshold limit a worker can be exposed without experiencing irritation, chorionic or irreversible tissue change, or work efficiency?
  • Reference dose (RfD)
  • The threshold limit values-time weighted average (TLV-TWA)
  • The threshold limit values-short term exposure limit (TLV-STEL)
  • The threshold limit value-ceilings (TLV-C)
Answer: C
4.The transport of wastes through ground water depends on __________
  • Toxicity of the wastes
  • Permeability and capillary pressure
  • Quantity of the wastes
  • Wind direction
Answer: B
5.What is the impact of disposal of water based drilling wastes from onshore?
  • Lethal on inhalation
  • Mostly damages the human organs
  • No serious threat to human health or to environment
  • Not the above
Answer: C
6.How the company can know the first aid procedures in the event of human exposure from certain chemicals?
  • By getting the material safety data sheets from chemical suppliers
  • They make their own procedures
  • They do R&D in their labs
  • Use their experienced and skilled personnel
Answer: A
7.What is the method of removal of dissolved solids from waste water before any disposal method?
  • Evaporation/distillation
  • Filtration
  • Percolation
  • Incineration
Answer: A
8.At what pressure safety relief valve fitted on mud pumps connected to a drilling rig is to be set?
  • 05% excess of working pressure of the mud pumps
  • 10% excess of working pressure of the mud pumps
  • 25% excess of working pressure of the mud pumps
  • 50% excess of working pressure of the mud pumps
Answer: B
9.Which type of flammable liquid shall not be used for cleaning purposes without prior permission in writing of the Manager or Installation Manager?
  • having a flash point less than 850C
  • having a flash point less than 750C
  • having a flash point less than 650C
  • having a flash point less than 550C
Answer: C
10.Who is the appointing authority to safety officer in a mine?
  • Mines Manager
  • Director operations
  • Mines owner or Mines agent
  • Regional Inspector
Answer: C
11.With respect to toxicity, high molecular weight paraffins in water are ____________________.
Answer: Nontoxic
12.___________________ must be an integral part of everyone’s daily job.
Answer: Safety and Environmental awareness
13.The current US environmental protection agency limits for discharge of hydrocarbons in water is 29 mg/l where as in India it is ___________________.
Answer: Less than 10 mg/l
14.The hydrocarbons that escape from various production equipments is called ___________________.
Answer: Fugitive emissions
15.Oil based muds are generally more expensive and greater potential for ___________________.
Answer: Adverse environmental impact
16.When salty drilling muds were spread over soil the yield of ___________________ reduced.
Answer: Brome grass
17.In petroleum industry exempted wastes are generated from ___________________.
Answer: Drilling wells and production sites
18.___________________ is the greatest volume of waste in drilling and production operations.
Answer: Produced water
19.___________________shall see when any drilling rig, workover rig and associated equipment under shifting shall reach safely as per regulations.
Answer: The Installation Manager
20.Every storage tank shall be protected against lightning by suitable ___________________.
Answer: Lightening arrestors