By how much does the coolant boiling point change for each 1psi rise in pressure?
A. Minus 30 degF
B. Plus 30 degF
C. Minus 3 degF
D. Plus 3 degF
Answer: D
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Solve and round to 1 decimal place: (26.30 - 17.80) × (0.950 + 3.87).
Fill in the blank(s) with the appropriate word(s).
Shifts in food supply and demand are generally accompanied by proportionately larger price changes
Indicate whether the statement is true or false
Hyperaccumulators are plants that ________
A) are extremely sensitive to the toxic effect of certain heavy metals and therefore act as an early warning system to detect contamination B) can survive on metal-contaminated soil by growing without taking in too much of the metal in question C) take up extremely high amounts of certain metals without being harmed D) accumulate dense root mats just above the layer of polluted soil E) none of the above
What device passes AC interference to ground and blocks DC voltage, and is used to control radio interference?
A) Capacitor B) Transistor C) Coil (inductor) D) Resistor