A ____ is a device used to regulate the flow of a gas or liquid.
A. thermostat
B. switch
C. gate
D. valve
Answer: D
You might also like to view...
The volume of a solid will:
A) Increase as the temperature of the solid increases. B) Not change when temperature differences occur. C) Decrease when the temperature increases. D) Increase as the temperature decreases.
For a real interest rate of 12% per year and an inflation rate of 7% per year, the market interest rate per year is closest to: (choose one)
(a) 5.7% (b) 7% (c) 12% (d ) 19.8%
Poor inner city children are exposed to lead toxicity primarily from ________
A) uptake from soils into food plants B) by atmospheric deposition on plant leaves C) eating soil and dust D) lead containing paint on toys
A container of contaminated refrigerant should be colored ________________
A) Blue B) Green C) Gray with a yellow top D) Black with a red stripe