Txhua lub tshuab ntxuav tais diav nrog qhov ntsuas ntawm 52 dBA lossis qis duayuav yog qhov kev xaiv zoo thiab ntsiag to heev piv rau cov tshuab ntxhua khaub ncaws qub.
Puas yog 50 decibels nrov rau lub tshuab ntxuav tais diav?
Kev ntsuas ntawm 45 lossis qis dua yog qhov ntsiag to - zoo ib yam li kev sib tham qis hauv tsev qiv ntawv lossis ntsiag to. Decibel theem ntawm 45 thiab 50 suab zoo ib yam li dej nag. Kev ntaus nqi ntawm 50 lossis siab dua yog sib npaug rau theem ntawm kev sib tham ib txwm.
Puas yog 44 dB nrov rau lub tshuab ntxuav tais diav?
A 44 dB lub tshuab ntxuav tais diav tseem hnov , tab sis yog tias koj tsis ua tib zoo mloog, koj yuav hnov qab lub tshuab ntxuav tais diav txawm khiav. Koj tuaj yeem nrhiav cov tshuab ntxuav tais diav hauv pawg no rau qis li $ 600. Thiab thaum kawg, 38 dB yog lub tshuab ntxuav tais diav uas ntsiag to ntawm kev ua lag luam niaj hnub no.
Yog 46db nrov?
Lub pob ntseg tib neeg tuaj yeem hnov suab nrov. Qhov ntau ntawm lub tshuab ntxuav tais diav yog nyob nruab nrab ntawm 46 txog 60 decibels. Qib decibel no yog nrov txaus los cuam tshuam kev sib tham ib txwm, tab sis nyob rau saum npoo nws yuav tsis zoo li ntau.
Dab tsi yog qhov nrov hauv dB?
Suab yog ntsuas hauv decibels (dB). Lub suab ntxhi yog li 30 dB, ib txwm sib tham yog txog 60 dB, thiab lub cav maus taus khiav yog li 95 dB. Lub suab nrov tshaj 70 dB nyob rau lub sijhawm ntev tuaj yeem pib ua rau koj hnov lus tsis zoo. Suab nrov saum toj no 120 dB tuaj yeem ua rau koj pob ntseg raug mob tam sim ntawd.
