When performing load calculations for farm buildings, the load that must be included in the calculation at 100% demand must be at least _____.
a. 30A
b. 60A
c. 120A
d. 240A
b. 60A
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In the accompanying figure, assume that XC=5?XL=20? and the source voltage is 200 V. Determine the current drawn and the phase relationship between the voltage and the total current.
Which of the following statements is true?
A. For the benzene + toluene system, the activity coefficient values for both components across all compositions will be close to 1. B. The infinite dilution activity coefficient values for a mixture behaving according to the ideal solution must be zero. C. The excess molar Gibbs free energy, divided by RT, is equal to the sum of the activity coefficient values, weighted by their mole fraction. D. Another statement of the chemical equilibrium condition for mixtures in phase equilibrium says that the mixture fugacity coefficient of component i must have the same value in all of the phases that are in equilibrium. E. None of the above are true.
Which type nut is used with a cotter pin?
A) Nylon ring nut B) Castle nut C) Both A and B D) Neither A nor B
A customer complains that the heated steering wheel is not working. Which of these could be the cause?
A) Loose horn buttons B) Vehicle inside temperature above 32°C C) A 0.150 volt drop on the ground wire D) None of these