The risk of rekindle exists even if as little as ____ of the original fire is left smoldering.
a. 15%
b. 10%
c. 1 %
d. 5 %
Answer: c. 1 %
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Explain the difference between total precast and a mixed precast construction.
What will be an ideal response?
Which of the following statements is true?
A. Partial molar quantities are functions of temperature and pressure of the system, but are independent of composition. B. Excess molar volume can only be positive. A negative excess molar volume would contradict the Second Law of Thermodynamics. C. When modeled as an ideal solution, the molar Gibbs free energy of mixing is equal to zero. D. All of the above are true. E. None of the above are true.
Which of the following modifications would alleviate refrigerant migration in a long-line system?
A) Removing any compressor crankcase heaters B) Adding a compressor hard-start kit C) Reducing refrigerant charge D) Adding a liquid line solenoid
The propane torch produces a flame that is in the 3600°F range and is best used for
A. brazing B. soldering C. soldering and brazing D. neither soldering nor brazing