The intensity of a 50-dB whistle is doubled. What is the new decibel level?

A sound with a frequency of 25 kHz is in the ______________ region of the sound spectrum.

Which of the following electromagnetic radiations has the greatest frequency?

Purchase by tender is normally used when big amounts are to be purchased withpublic money

When purchasing drugs the choice of method depends on total cost and how urgently supplies are needed

The following are definitions of terms expiry date” is the date after which all products become poisonous

During the procurement of quality products the purchaser needs to ensure that the supplier knows exactly what is required and that the supplier fulfils the contract

Sources of drug supply include purchases

During the procurement of quality products the purchaser has the responsibility to ensure that the supplier supplies products complying with all stated specifications

Purchase by tender is normally quicker than buying by direct purchase