Another specialty valve widely used in hydronic systems provides the ability to isolate, flow balance, and even drain individual heat emitters. It is called a ____.
a. zone valve
b. balancing valve
c. differential pressure bypass valve
d. lockshield valve
d. lockshield valve
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Write the equation that describes the energy absorbed by the earth.
What will be an ideal response?
A rigid, nonconducting tank with a volume of 4 
is divided into two unequal parts by a thin membrane. One side of the membrane, representing 1/3 of the tank, contains nitrogen gas at 6 bar and 100°C, and the other side, representing 2/3 of the tank, is evacuated. The membrane ruptures and the gas fills the tank.
(a) What is the final temperature of the gas? How much work is done? Is the process reversible?
(b) Describe a reversible process by which the gas can be returned to its initial state. How much work is done?
Assume nitrogen is an ideal gas for which 
and 
Which form of power is most likely to result in commitment on the part of subordinates?
a. coercive. b. legitimate. c. expert. d. organizational. e. reward power.
OSHA standards play a role in emergency prevention and should be considered when developing emergency plans.