In most residential electric water heaters, the high-temperature cutoff and ____ are combined into one device.
Fill in the blank(s) with correct word
Answer: upper thermostat
You might also like to view...
The instability of uranium-235 compared to uranium-238, along with the relative stability of hydrogen compared to tritium, shows that the stability of a given nucleus depends upon
A. adding or subtracting neutrons, which can change a stable isotope into an unstable isotope. B. the number of electrons in the nucleus. C. the mass: heavier nuclei are always less stable. D. the speed of electrons orbiting the nucleus: more mass means more gravitational pull.
A hollow sphere has a mass of 15 kg, an inner radius of 12 cm and an outer radius of 18 cm. What is the rotational inertia (moment of inertia) of the sphere about an axis passing through its center?
A) 0.15 kg?m2 B) 0.24 kg?m2 C) 0.13 kg?m2 D) 0.17 kg?m2 E) 0.19 kg?m2
How did Mars get its two moons? a. Mars captured asteroids from the asteroid belt
b. Mars suffered a catastrophic meteor impact, breaking a piece off the planet. c. Mars had planetary bodies near it when the solar wind blew out the nebula. d. Mars collided and fused with another planet leaving two remnants behind. e. Mars captured comets from the Kuiper belt.
In all nuclear reactions,
A. energy must be conserved. B. charge is not created or lost. C. the total number of protons plus neutrons must be conserved. D. All of these choices are correct