What is the best watertight seam for metal panel roof systems?
A) Double lock system B) Rolled seam system
C) Standing seam design D) Metal formed seam design
A
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Superheated ammonia enters a mixing chamber at a pressure of 50 psia at a mass flow rate of 5 lbm/s. Saturated liquid ammonia enters the chamber at a rate of 0.60 lbm/s, at 50 psia. Heat is lost from the chamber at a rate of 125 Btu/s. If the combined exit flow is saturated vapor ammonia at 50 psia, determine the temperature of the superheated ammonia which entered the chamber.
State 1: Vapor inlet; State 2: Saturated liquid inlet; State 3: Outlet Given: P1 = P2 = P3 = 50 psia; m?1= 5.0 lbm/s; x2 = 0.0; m?2=0.60lbms; x3 = 1.0; Q?=?125 Btu/s Assume: Given no other information regarding the mixing chamber, make the following common assumptions: W?=?KE=?PE=0 Also, assume the mixing chamber is a multiple-inlet, single-outlet, steady-state, steady-flow device. What will be an ideal response?
The method of multiview projection used in the United States is called:
a. first-angle projection b. second-angle projection c. third-angle projection d. fourth-angle projection
Which of the following is true about the MTSO?
A. the MTSO links a cellular phone network and a Wi-FI network B. the base station is connected to it C. a large city will have only one MTSO D. each MTSO controls a single cell
____ is simply the distance that is measured from one tooth to the exact same point on the next tooth.
A. Pitch B. Diametral pitch C. Circular pitch D. Pitch diameter