Give this thread specification: 3/8-24 UNF-3A MOD (21) MAJOR DIA .3648-.3720 MOD, describe the meaning of the MOD and (21) parts of the note.
What will be an ideal response?
The abbreviation MOD is placed here and the modification is specified under the thread designation if the thread is to be modified in some way. The ASME standard also recommends that the thread gaging standard be added to the thread note. For example, (21).
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Which of the following is not part of the operating sequence of a natural-draft furnace?
a. The draft inducer starts on a call for heat. b. The controls prove that the pilot is lit. c. The gas valve energizes and opens. d. The fan switch starts the blower.
Answer the following statement(s) true (T) or false (F)
1.Track lighting consists of a surface-mounted or suspended track with an individual lighting head installed in a permanent position to point light at a specific area or item. 2.Energy-efficient light fixtures come in recessed, ceiling surface-mounted, wall-mounted, and specialty styles. 3.Only bulbous-shaped lamps are correctly referred to as a “light bulb.” 4.Manufacturers recommend that quartz halogen lamps should be handled without touching the clear quartz, either by using a clean paper towel, a clean rag, or carefully holding the base. 5.The ballast nameplate will indicate if it is a Class P ballast. 6.The main reason for using fluorescent fixtures with two ballasts is to be able to switch control the lamps separately.
Are leaf shines harmful to plant health?
What will be an ideal response?
A compressor that uses a large off-center rotating shaft and multiple blades that follow the cylinder walls as the shaft rotates is a:
A) Rotary blade rotary compressor. B) Rotary screw compressor. C) Reciprocating compressor. D) Stationary blade rotary compressor.