Assertion: hood | /r/HasProperty | open
Facets:
value: fully
type: DEGREE
value: in terms of time
type: OTHER
value: the less
type: DEGREE
value: in terms of height
type: OTHER
Source sentences:
text: These savings are, however, completely contingent on user behavior: the less the hoods are open (both in terms of height and in terms of time),
text: As their name implies, the hood lift supports are the small, usually gas charged, cylinders that are used to support the hood when it is opened.
text: For example, if the laboratory's ventilation system uses 100% once-through outside air and the value of conditioned air is assumed to be $7 per CFM per year (this value would increase with very hot, cold or humid climates), a 6-foot VAV fume hood at full open for experiment set up 10% of the time (2.4 hours per day), at 18 inch working opening 25% of the time (6 hours per day), and completely closed 65% of the time (15.6 hours per day) would save approximately $6,000 every year compared to a hood that is fully open 100% of the time.
text: However, some vehicles will disable other functions such as the windshield wipers if the computer thinks that the hood is open.
text: When the hood is opened the lift support is extended and the pressure inside the cylinder supports the weight of the hood.
text: If all of the pressure leaks from the lift support it will not be able to support the weight of the hood at all, and the hood will close as soon as it is opened.