SENG 310 Quiz 6 Sol.pdf - Quiz 6 SENG 310/680 Fall 2019 Duration 10 minutes October 14 Name 1 Autoignition temperature is a fixed temperature above

Quiz # 6: SENG 310/680, Fall 2019 Duration: 10 minutes October 14 Name: 1. Autoignition temperature is a fixed temperature above which adequate energy is available in the environment to provide an ignition source. (True/False) 2. Le Chatelier’s relationship for flammable mixtures of different species assumes that the species are non-interacting. (True/False) 3. Confinement is necessary for dust explosion. (True/False) 4. In detonation, the generated shock wave is much faster than the speed of sound. (True/False) 5. Flash point is the lowest temperature at which it can vaporize to form an ignitable mixture in air. (True/False) 6.Which of the followings is not an essential element of fire triangle? (a) Fuels (b) Water (c) Oxidizers (d) Ignition source

Unformatted text preview: 7. Which one of the followings is NOT true for minimum ignition energy of a combustible material (a) decreases with increase in temperature (b) decreases with added inert materials (c) decreases with increase in pressure (d) higher for dust and aerosol than gases 8. Which one of the followings is not shown in a flammability diagram (a) autoignition temperature (b) Limiting oxygen concentration (LOC) (c) air line (d) flammability limits 9. In US, the fire class used for electrical equipment is (a) Class A (b) Class B (c) Class C (d) Class D 10. What is the correct sequence of using a fire extinguisher? (a) Aim-Pull-Squeeze-Sweep (b) Aim-Pull-Sweep-Squeeze (c) Pull-Aim-Squeeze-Sweep (d) Pull-Aim-Sweep-Squeeze...
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