List the steps in making a simple isometric sketch.
What will be an ideal response?
STEP 1 Sketch the three isometric axes. If a ruled isometric sheet is available, select three lines for the major axes.
STEP 2 Lay off the 3" length along the right axis, the 20 depth on the left axis line, and the 10 height on the vertical axis line.
STEP 3 Draw lines from these layout points parallel to the three axes. Note that all parallel lines on the object are parallel on the sketch.
STEP 4 Dimension the sketch. On isometric sketches, the dimensions are placed parallel to the edges.
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Give a full description of pieces A1 and A2.
Review drawing number 522895A0A and then answer the question.
Following a full load dynamometer test, what is the minimum period the engine should be run at idle speed before shut down?
A. five minutes B. ten minutes C. twenty minutes D. forty minutes
In an open delta with a center-tapped transformer, label the two ends of the center-tapped transformer as L2 and L3 and label the high leg as L1. The current flow in the neutral (center tap) is equal to _____.
A. AN = A1- (A2 + A3) B. AN = A1 + (A2- A3) C. AN = A1- (A2- A3) D. AN = A1 + (A2 + A3)
In a series loop hydronic heating piping system, ____.
A. the heated water flows in the same direction in parallel pipes B. the heated water flows in the opposite direction in parallel pipes C. part of the heated water is directed to each terminal unit D. all the heated water flows through all the terminal units