How can tube-in-tube condensers become contaminated?
A) Cross-contamination can occur if the pressure increases.
B) Cross-contamination can occur if the pressure drops.
C) Cross-contamination can occur if the outside tube leaks.
D) Cross-contamination can occur if the inside tube leaks.
D
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In a window that carries the performance label "HS-C30 71 × 59," the number 30 indicates that the window
A) will leak a maximum of 30% of the room's air per hour. B) should not be subjected to a maximum wind load of 30 psf. C) should not be subjected to a maximum combined wind load and vapor pressure of 30 psf. D) conforms to the applicable standard up to a size of 30 in. × 30 in. E) none of the above.
Technician A says that bearings should be thoroughly cleaned with solvent before repacking with grease. Technician B says that it is important to use manufacturer approved bearing grease to prevent premature bearing wear. Which technician is correct?
A) Technician A only B) Technician B only C) Both technicians D) Neither technician
With the FLATSHOT command you can quickly obtain projected views that use different properties for visible and occulted lines
Indicate whether the statement is true or false
Perform the following binary subtraction:
11011 - 111 = ________. A) 10100 B) 0011 C) 100010 D) 10111101