【Daily Question】Utilities - Water Supply and Drainage - 20190130
Thread Content
The relationship between the service head of a node and the elevation of its node water pressure can be described as (). a. The service head is greater than the water pressure level at that node. b. The service head is less than the water pressure level at that node. c. The service head = the water pressure level at that node – the ground level at that point. d. The service head = the water pressure level at that node + the ground level at that point. Answer: b, c
b. The service head is lower than the water pressure level at that node； c. Service head = water pressure level at that node – ground level at that point
b. The service head is lower than the water pressure level at that node
c. Service head = water pressure level at that node – ground level at that point. d. Service head = water pressure level at that node + ground level at that point