What is a pickling solution?
A) A thread sealant that stands up to boiler duty
B) A water additive that is used to improve heat transfer
C) The circulating water in a hydronic heating system
D) A corrosion inhibitor used on steel pipes
D
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What did Blaise Pascal’s discover in 1653?
What will be an ideal response?
Water, in the form of low-pressure vapor, is suspended in the air and is called ____________________.
Fill in the blank(s) with the appropriate word(s).
A(n) ____ line is a manufacturing process for the mass production of a product that involves adding interchangeable parts in sequence.
A. CIM B. process C. industry D. assembly
The output of a comparator goes LOW when ________
A) the inverting input and non-inverting input voltages are equal B) the non-inverting input voltage is greater than the inverting input C) the invering input voltage is greater thatn the non-inverting input voltage D) the comparator is faulty