For beams and columns 8" to 12" deep, the most commonly used scale for showing section depth is _______________.
What will be an ideal response?
For beams and columns 8" to 12" deep, the most commonly used scale for showing section depth is 1 = 1'–0".
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?What is the difference in appearance between an in-line engine rod journal and a V8 rod journal?
What will be an ideal response?
Which of the following statements is LEAST-Likely true?
A. Friction occurs between the piston rings and cylinder walls. B. Low-tension piston rings were introduced in the mid-1980s to improve fuel economy. C. Compression rings account for about 60% of the total drag on a cylinder wall, and the oil ring accounts for 20%. D. Cast iron rings are used in re-ring jobs when the cylinder walls have not been re-bored.
How is the water flow in a hydronic heating system checked?
A) By measuring the pressure drop across the water pump and comparing it to a pumping performance chart B) By measuring the amp draw of the pump motor an applying the formula gp = amps x 1.73 C) By measuring the pump motor RPM using a digital tachometer D) By measuring the impeller RPM using a stroboscope
There are two major types of overload relays: thermal and ____.
A. circuit B. metallic C. magnetic D. electric