Soru Çöz - ChemiPPR TEST SYTSEM
ChemiPPR TEST SYTSEM

CHEMICAL ACCIDENTS Start Solving

Chemical Accidents

  • BLEVE refers to accidents with toxic gases
  • a) True
  • b) False
  • LD50 is a measure of chronic toxicity
  • a) True
  • b) False
  • LPG includes gas in liquid form
  • a) True
  • b) False
  • Detonation causes a shock wave
  • a) True
  • b) False
  • Duration of a dynamic accident is much longer than that of static accident
  • a) True
  • b) False
  • Lethal concentration of toxic gas leaks can reach to few kilometres’ distance
  • a) True
  • b) False
  • Flammability risk of LPG cloud cannot reach to the distance of few kilometres
  • a) True
  • b) False
  • If gas leaks in liquid form, it causes a longer danger area than if it leaks in gas form
  • a) True
  • b) False
  • In BLEVE explosion of LPG tank missiles can fly up to few kilometres
  • a) True
  • b) False
  • Most common chemicals in transportation accidents are corrosives (ADR 8)
  • a) True
  • b) False
  • In case of a rupture of a normal LPG bottle (11 kg) the 3rd degree burns can be obtained at over ten meters’ distance
  • a) True
  • b) False
  • Humans can stand an overpressure of 50 kPa without injuries
  • a) True
  • b) False
  • Ammonia is less dangerous than chlorine
  • a) True
  • b) False
  • Radiation dose of 3 Sievert can be lethal
  • a) True
  • b) False
  • Fire water (extinguishing water) fires of toxics can cause environmental accident in water course.
  • a) True
  • b) False
  • Expert analysis uses the principle of causality to determine the course of events
  • a) True
  • b) False
  • FMEAFMECA should be applied as soon as system design information is available
  • a) True
  • b) False
  • Detection rate (D) of FMEA is high, when the system is under control
  • a) True
  • b) False
  • The lowest level of Accimap diagram represents legislative control
  • a) True
  • b) False
  • Top event of fault tree diagram is the final accident itself
  • a) True
  • b) False
  • Fault tree continues visually the end of event tree
  • a) True
  • b) False
  • Result of Boolean logic 0,50,50,5 is 0,75
  • a) True
  • b) False
  • It is recommended to calculate probabilities of event tree elements by fault tree
  • a) True
  • b) False
  • By Fishbone analysis you can find out the root causes of an accident
  • a) True
  • b) False
  • Normal distribution is the most easiest distribution on probability calculations
  • a) True
  • b) False
  • Tools for risk identification are not
  • a) stuff reaction matrix
  • b) process charts
  • c) interviews
  • d) modelling
  • e) brain storming
  • Silent brain storming as risk identification is a suitable tool, because
  • a) it’s fast
  • b) it’s independent
  • c) there is no underrating by others
  • d) it’s easy to arrange
  • e) good findings are guaranteed
  • Process orientation of risk identification means, that
  • a) the risks of each process are identified separately at a time
  • b) all processes can have severe risks
  • c) process staff (owners) identifies the risks
  • d) all processes have different risks
  • e) the risk management activities can be targeted to the right processes
  • Probability of the risk cannot be indicated by
  • range 0 - 1
  • range 0 – 100 %
  • time frequency
  • determined values 1,2,3,4,5
  • value in €
  • Consequence of the risk cannot be indicated by
  • a) number of injured persons
  • b) velocity of stuff movement
  • c) value in €
  • d) volume
  • e) area

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