Where is the decimal system of dimensioning used and why?
What will be an ideal response?
The decimal system of dimensioning is used almost exclusively in industry because of the ease with which computations can be made. In addition, the dimension can be measured with precision instruments to a high degree of accuracy and is required for Computer Numerical Control (CNC) applications.
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The evaporator TD of most medium temperature walk-ins is _________?
a. 5° b. 10° c.15° d. 20°
In a set of blueprints, the drawing scale, name of the building project, the name of the architectural firm, and the date of completion are found in the _________________________.
Fill in the blank(s) with the appropriate word(s).
The firing rate of a furnace with a 0.75 gph nozzle is
A) 100,000 × 0.75 = 75,000 BTU per hour B) 140,000 × 0.75 = 105,000 BTU per hour C) 1,000 × 0.75 = 7500 BTU per hour D) 200,000 × 0.75 = 150,000 BTU per hour
What is the purpose of the power steering pressure switch?
A) Increase engine idle during slow cornering to prevent engine stall B) To regulate power steering pump pressure C) Both A and B D) Neither A nor B