What are identification numbers?
What will be an ideal response?
Generally placed in balloons, identification or item numbers are used to key the parts from the assembly print to the parts list.
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If the floor of a steel-frame building has primary, secondary, and tertiary components, the secondary components consist of
A) W-shape beams. B) steel joists. C) steel joist girders. D) any one of the above. E) A or B.
A stream of liquid water enters a boiler and emerGes from the boiler as steam. This steam is mixed with a second stream of steam and the mixed steam is fed to a turbine. It emerges from the turbine as a VLE mixture with a quality of 0.96. The entire process operates at steady state.
An engineer draws a control volume that contains the boiler, the turbine and the mixing point. Which of the following is an energy balance that is both correct for this system and consistent with the sign conventions established in this book? A. 0= m ?_(1,in) H ?_(1,in)+ m ?_(2,in) H ?_(2,in)- (m ?_(1,in)+m ?_(2,in) ) H ?_out+W ?_s+ Q ? B. W ?_s+ Q ?= m ?_(1,in) H ?_(1,in)+ m ?_(2,in) H ?_(2,in)- m ?_out H ?_out C. ?-W ??_s= m ?_(1,in) H ?_(1,in)+ m ?_(2,in) H ?_(2,in)- m ?_out H ?_out D. m ?_(1,in)+m ?_(2,in) ?=m ??_out E. All of the above.
Which of the following wiring methods and equipment grounding conductor combinations are permitted in a patient care area of a health care facility?
A. One-half-inch flexible metal conduit (FMC) 6 ft long with a 12 AWG equipment grounding conductor B. One-half-inch flexible metal conduit (FMC) 12 ft long with a 12 AWG equipment grounding conductor C. One-half-inch liquidtight flexible nonmetallic conduit (LFNC) 12 ft long with a 12 AWG equipment grounding conductor D. One-half-inch liquidtight flexible metallic conduit (LFMC) 12 ft long with a 12 AWG equipment grounding conductor
To allow two pieces of copper tubing to be joined by soldering or brazing without any fitting, which of the following must be used?
A) Solder end B) Swage joint C) Sweat tree D) Fitting end