Why might there be a negative pressure on the condensate outlet in a coil operating at a positive static pressure?
A) A positive static pressure is really negative compared to atmospheric pressure.
B) The air velocity can create a negative pressure.
C) The algae collecting in the drain pan creates a negative pressure.
D) The draining water creates an internal pressure in the drain line.
B
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A bridge in which individual beams span the structure from bent to bent is a(n) _____.
a. girder bridge b. truss bridge c. arch bridge d. flat-slab bridge
Which of the following is NOT a characteristic of the budget process outlined in the text?
a. It is a bottom-up process. b. It will more accurately reflect the needs of lower-level managers and their departments. c. It results in top management substantially losing control over the budgetary process. d. It should lead lower-level managers to substantially higher levels of commitment to the budget. e. It is a participative process.
Timing chains are being discussed. Technician A says that timing chains can be checked by measuring chain deflection. Technician B says that rotating the crankshaft without camshaft movement while the engine is still together can indicate the amount of wear. Who is correct?
A. A only B. B only C. Both A and B D. Neither A nor B
The two forms of spread spectrum are frequency hopping and ______________
A. direct sequence B. continuous wave C. spectral regrowth D. voltage controlled