What is the recommended sound level of a vacuum cleaner?

Answer To answer this question I have to know what you are charged per Kw/hr by the power company. If you mean .10911 per kw/hr, then I need to know at what voltage.

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A vacuum cleaner produces sound with a measured sound level of 64.0 dB. What is the pressure amplitude of the sound mPa?

Sound level Lp = 64 dBSPL equals what sound pressure p (rms)?The sound pressure is: 0.0317 pascals (Pa) = 31.7 millipascals (mPa)The reference sound pressure is: p0 = 20 μPa = 2 · 10-5 Pa (0 dB)T... Read More »

1989 jimmy starter making vacuum sound. When we jump the solenoid the starter makes only a whirling noise much like a vacuum cleaner. Any ideas on what is causing this?

IF you are jumping the right set of terminals, then: The solenoid is failing to 'push' the starter (pinion) into place and engaging the flywheel. The solenoid needs to be replaced, although the pin... Read More »

What could cause a high pitched sound come from a wall when a vacuum cleaner hose is around?

Of course not until yo plug it in and connected it to a drain line

Why does my secondary air injection system on my 2003 deville sound like a hoover vacuum cleaner?

A seal is prolly going bad. its gonna give you code P0410 if you dont fix it.