Which of the following error statements is true when the controller is a direct-acting mode type?
A) Error = GV — HV B) Error = PV — SP C) Error = HV — GV D) Error = SP — PV
B
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A steel casting weighing 2 kg has an initial temperature of 500°C; 40 kg of water initially at 25°C is contained in a perfectly insulated steel tank weighing 5 kg. The casting is immersed in the water and the system is allowed to come to equilibrium. What is its final temperature? Ignore the effects of expansion or contraction, and assume constant specific heats of 4.18 kJ?
for water and 0.50 kJ?
for steel.
What will be an ideal response?
Determine the estimated cost to replace the plumbing fixtures in the bathroom shown in Figure 19.8. A subcontractor has given you the following unit prices to replace the fixtures.
What will be an ideal response?
Each balloon needs to have its own leader line to avoid confusion.
Answer the following statement true (T) or false (F)
Using the Dyksterhuis quantitative climax approach to range condition a score of 60 would correspond to what seral stage?
A) Mid seral B) Climax C) Late seral D) Early seral