The ____ acts as a funnel between the firebox and the chimney.
A. ash dump
B. smoke chamber
C. vent
D. flue
Answer: B
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A glass initially contains 0.1 kg of ice and 0.05 kg of water. The ice, the water, the glass and the air surrounding them are all at T = 273.15 K and P = 0.1 MPa. The water is evaporating very gradually. Which of the following is true?
A. The ice and water are at equilibrium with each other and with the surroundings. B. The ice and water are not in equilibrium with each other, but if 0.025 kg of ice melted, making the masses of the ice and water equal, they would then be in equilibrium with each other. C. The water is in thermal and mechanical equilibrium with the air, but not in chemical equilibrium. D. The system is at steady state but not in equilibrium. E. None of the above are true.
Best pasture grazing is best suited to:
A) Desert ranges in southern New Mexico. B) South Texas ranges. C) Shortgrass prairie forest ranges. D) California annual ranges. E) Mountainous, coniferous ranges.
The high voltage batteries are designed to be charged no more than ________
A) 60% B) 100% C) 80% D) None of these
Compared to air conditioning evaporator coils, commercial refrigeration coils have:
A) Materials that are less brittle at low temperatures. B) Fewer fins per inch. C) More fins per inch. D) About the same number of fins per inch.