A welder can determine preheat, interpass or postheat temperature by:
A) Measuring the distance from the weld that his crayon will melt
B) Using a crayon to get the right color in the weldment
C) Using a temperature-indicating crayon
D) None of the above
C
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________ is defined as any maintenance procedure that produces a spark, excessive heat or requires welding or burning.
Fill in the blank(s) with the appropriate word(s).
The table below shows properties of three trial aggregate blends that are to be evaluated so as to determine their suitability for use in a Superpave mix. If the nominal maximum sieve of each aggregate blend is 19 mm, determine the initial trial asphalt content for each of the blends.
What will be an ideal response?
The internal resistance of any meter is only effective if the meter is set on the ________ scales
A) Ammeter B) Voltmeter C) Ohmmeter D) None of these
A vehicle pulls to the left during braking. Technician A says that the metering valve may be defective. Technician B says the proportioning valve may be defective. Which technician is correct?
A) Technician A only B) Technician B only C) Both technicians D) Neither technician