Explain the difference between G60 and CP60.
What will be an ideal response?
G60 means that the member has been hot-dip galvanized and the amount of zinc coating on all surfaces of a steel member is 0.60 oz per sq ft. CP60 means corrosion protection of the same amount as G60. So, there is no real difference between G60 and CP60, but CP60 may include corrosion protection through other means, such as galv-annealed coating.
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Answer the following statement(s) true (T) or false (F)
1. A flow switch either closes or opens a set of gates. 2. Typical applications of flow switches are commonly found in the chemical and petroleum industries. 3. The insulation of the wire leading to the switches must be adequate to withstand the high pressure of the liquid inside the pipe. 4. You can consult the NEC® for insulation temperature ratings. 5. Air condition and heating circuits often use timed contacts that are self-contained and do not require a coil for operation. Their time delay is preset and cannot be adjusted.
Photovoltaic cells cannot operate electrical equipment without external power.
Answer the following statement true (T) or false (F)
Ten samples of a digital signal that is detected in the presence of noise are given below. The original digital signal values are either equal to -1 or +1. Apply a threshold to the detected samples to form the reconstructed digital data values.
Detected values: 0.8, 0.5, -1.1, -0.4, 1.3, 0.8, -0.7, -0.9, 1.1, -0.8
What does vitamin C provide in the ration?
What will be an ideal response?