Elements are:
A) Pressure and temperature.
B) Force and pressure.
C) The forces of velocity pressure and density upon a substance.
D) Naturally occurring chemicals.
D
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In a typical concrete mix, 10 to 15 percent of the volume is _____.
a. water b. aggregate c. admixtures d. portland cement
Long pans or dome pans are used to form voids on the underside of slabs in _____
a. pretensioned slab floor b. precast concrete floor systems c. suspended slab systems d. concrete joist systems
Technician A says that a 2010 SCR system that only has one NOx sensor at the SCR catalyst outlet would likely use a virtual sensor for the SCR catalyst inlet NOx determination. Technician B says that a smart sensor and a virtual sensor are really the same thing. Who is correct?
A. A only B. B only C. Both A and B D. Neither A nor B
Identify the major components of a kettle reboiler.
