Chevrons tau muab tso rau ntawm qhov sib nrug ntawm 40 metres, kom ntseeg tau tias kev nyab xeeb nyob deb ntawm cov tsheb taug kev ntawm 70 mph tsuav yog cov neeg tsav tsheb khaws yam tsawg kawg ntawm ob chevrons sib nrug.
2 chevrons sib nrug txhais li cas?
Re: Ob Chevron txoj cai
Travelling ntawm 70mph, nres deb yog 96 meters. Yog li yog tias lub tsheb pem hauv ntej yog ntawm chevron ib qho, thiab koj nyob ntawm chevron 3, qhov ntawd tsuas yog 80 meters. Yog tias koj nyob ntawm chevron 4 koj nyob ntawm 120 meters. Yog tias koj pom 2 chevrons nruab nrab ntawm koj, koj yog kwv 100 metres.
Vim li cas thiaj muaj chevrons ntawm txoj kev?
Tej cheeb tsam ntawm kab kab pheeb suab dawb lossis chevrons pleev xim rau ntawm txoj kev. Cov no yog kom cais txoj kab tsheb khiav lossis tiv thaiv tsheb khiav txoj cai. Yog tias thaj chaw muaj ciam teb los ntawm txoj kab dawb tawg, koj yuav tsum tsis txhob nkag mus rau thaj chaw tshwj tsis yog tias nws tsim nyog thiab koj tuaj yeem pom tias nws muaj kev nyab xeeb ua li ntawd.
Lub hom phiaj ntawm chevrons yog dab tsi?
Chevrons yog cov qauv sawtooth pom ntawm cov npoo ntawm cov npoo ntawm qee lub dav hlau cav nozzles. Raws li cov cua kub los ntawm lub cav tub ntxhais sib xyaw nrog cua txias cua tshuab los ntawm lub tshuab kiv cua, cov npoo zoo li ua haujlwm kom du qhov sib xyaw, uas txo qhov kev kub ntxhov uas tsim suab nrov.
Chevron markings yog dab tsi?
Qhia thaj chaw ntawm txoj kev taug raws li txoj kev khiav uas siv tsis tau rau tsheb tavxij, tawm mus, lossis tsaws. Chevrons npog blast pads los yog cov chaw nres tsheb, uas yog tsim los tiv thaiv thaj chaw los ntawm kev yaigtshwm sim los ntawm lub dav hlau tawg thiab muab qhov chaw nres tsheb ntxiv rau lub dav hlau (stopways).
