Description : The ordinary and maximum tolerance limit of sound by human being is – (1) 50 db to 70 db (decibel) (2) 60 db to 80 db (decibel) (3) 65 db to 75 db (decibel) (4) 70 db to 85 db (decibel)
Last Answer : (2) 60 db to 80 db (decibel) Explanation: Normal speech is about 60 dB (decibels). A dangerous sound is anything that is 80 dB or higher which can lead to hearing loss. At 70 dB or ... the risk of harm to healthy ears is negligible. Listening to sound above 80 decibels can cause profound deafness.
Description : The ordinary and maximum tolerance limit of sound by human being is (1) 50 db to 70 db (decibel) (2) 60 db to 80 db (decibel) (3) 65 db to 75 db (decibel) (4) 70 db to 85 db (decibel)
Last Answer : 60 db to 80 db (decibel)
Description : How many times more intense is an 80 decibel sound than a 40 decibel sound? w) 2 x) 40 y) 1000 z) 10,000
Last Answer : ANSWER: Z -- 10,000
Description : Noise level in a quiet private business office is about __________ decibels. (A) 25 (B) 50 (C) 70 (D) 85
Last Answer : (B) 50
Description : At what decibel level can sound hurt your ears?
Last Answer : answer:[snip from wikipedia article on Sound] Humans can generally hear sounds with frequencies between 20 Hz and 20 kHz (the audio range) although this range varies significantly with age, occupational hearing damage, and ... . or at least that's what if feels like to me ... hope this helps ^_^
Description : Decibel is the unit of ______. (1) Speed of light (2) Intensity of sound (3) Intensity of heat (4) None of these
Last Answer : (2) Intensity of sound Explanation: Decibel (dB) unit is used for expressing the ratio between two amounts of electric or acoustic power for measuring the relative loudness of sounds.
Description : Which term is not associated with sound wave? (1) Hertz (2) Decibel (3) Candela (4) Mach
Last Answer : (3) Candela Explanation: Candela is the standard unit of luminous intensity, the luminous power per unit solid angle emitted by a point light source in a particular direction, in the International System of Units. The word candela means candle in Latin.
Description : Which of the following is the unit of perceived loudness of sound? (1) Decibel (2) Sone (3) Hertz (4) Phon
Last Answer : (2) Sone Explanation: Loudness is a subjective characteristic of a sound (as opposed to the sound-pressure level in decibels, which is objective and directly measurable). Perceived loudness of sound ... on sound pressure level, the frequency spectrum, and the time behavior of the sound in question.
Description : Decibel is a term connected with : (1) air (2) water (3) sound (4) soil
Last Answer : (3) sound Explanation: The decibel (dB) is a logarithmic unit that indicates the ratio of a physical quantity (usually power or intensity) relative to a specified or implied reference level. A ratio in, decibels is ten times the logarithm to base 10 of the ratio of two power quantities.
Description : Decibel is used to measure the intensity of - (1) Magnetic field (2) Sound (3) Light (4) Heat
Last Answer : (2) Sound Explanation: The decibel (dB) is used to measure sound level, but it is also widely used in electronics, signals and communication.
Description : A decibel is – (1) A musical instrument (2) The wavelength of noise (3) A musical note (4) A measure of sound level
Last Answer : (4) A measure of sound level Explanation: The decibel (dB) is a logarithmic unit that indicates the ratio of a physical quantity (usually power or intensity) relative to a specified or implied reference ... ratio in decibels is ten times the logarithm to base 10 of the ratio of two power quantities.
Description : Decibel is the unit used for – (1) Speed of light (2) Intensity of heat (3) Intensity of sound (4) Radio wave frequency
Last Answer : (3) Intensity of sound Explanation: The decibel (abbreviated dB) is the unit used to measure the intensity of a sound. The decibel scale is a little odd because the human ear is incredibly ... of a physical quantity (usually power or intensity) relative to a specified or implied reference level.
Last Answer : Candela
Description : Which of the following is the unit of perceived loudness of sound ? (1) Decibel (2) Sone (3) Hertz (4) Phon
Last Answer : Sone
Last Answer : sound
Description : A decibel is (1) a musical instrument (2) the wavelength of noise (3) a musical note (4) a measure of sound level
Last Answer : a measure of sound level
Description : Decibel is the unit used for (1) Speed of light (2) Intensity of heat (3) Intensity of sound (4) Radio wave frequency
Last Answer : Intensity of sound
Description : TV etiquette question: is "I'm enjoying the quiet" equivalent to "I'm watching that" when asked if it's alright to change the channel?
Last Answer : answer:I think that in such a situation, a coin-toss would be appropriate, Now, i there were more people on one side of the quiet vs TV debate then I would go with majority rules. However, I would have ... there is A/C. I also have a smartphone, so I can watch stuff even when I am not inside ;)
Description : The relaxation techniques of progressive muscle relaxation, relaxation with guided imagery, and the Benson Relaxation Response share which of the following elements? a) A mental device (something on which ... required to assist an individual to learn techniques to reduce one's response to stress.
Last Answer : a) A mental device (something on which to focus the attention) Similar elements also include a quiet environment, a comfortable position, and a passive attitude.
Description : Which of the following would constitute the most proper action to take, if a child continues to talk after the class. has been asked to be quiet? Options: A) Speak loudly enough to be heard by ... the need for silence C) Make the whole class stay after school D) Arrange to speak to him privately
Last Answer : D) Arrange to speak to him privately
Description : Why do some movies have extremely quiet dialogue, but the sound effects blast your eardrums out of your skull?
Last Answer : Because of Michael Bay.
Description : Do I sound really quiet to other people when I call them on my iPhone?
Last Answer : No both my wife and I have iPhones and neither she or I have had any problems like that. We have had an echo sound when in an area of poor service.
Description : How loud or quiet a sound is.?
Last Answer : i dont even know rlly
Description : What is the schwa sound in quiet?
Last Answer : What is the answer ?
Description : Sound produced by an automobile horn heard at a distance of 1.5 metres corresponds to about __________ decibels. (A) 90 (B) 120 (C) 150 (D) 180
Last Answer : (B) 120
Description : Noise pollution level in a chemical plant is expressed in (A) Roentgen (B) Decibel (C) Hertz (D) None of these
Last Answer : (B) Decibel
Description : Which of the following has the weakest intermolecular forces? (A) Polyisoprene (B) Nylon-66 (C) Polystyrene (D) Bakelite
Last Answer : (A) Polyisoprene
Description : Interchain forces are the weakest in case of (A) Plastics (B) Fibres (C) Elastomers (D) Both rubber & elastomers
Last Answer : (D) Both rubber & elastomers
Description : Lily's diamond had been stolen from her house. When detectives Ethan and Ethel arrive at the house, they squeezed through the corridor that could only fit one person at a time and asked Lily who did ... a proud motorbike collector who has over 50 motorbikes in his garage. Who is the thief? -Riddles
Last Answer : We know that the corridor leading into Lily's house can only fit one person at a time, so it cannot be Ben whose caravans obviously can't go into the house. We know that Lily heard ... who can both produce engine noises and get into that narrow corridor at the SAME time using his motorbike.
Description : Buying a 102 decibel whistle for walking my dog and wonder if I have to blow it for safety, if the dog's ears and my ears will be okay?
Last Answer : I can’t imagine an emergency in which you would need that kind of whistle. If you have a true emergency in which someone is attacking you, I would have a can of pepper spray instead of a whistle.
Description : What is decibel scale ?
Last Answer : The scale by which the smallest change in human audible sound is measured is called the decibel scale. According to this scale, a word of 20 decibels is 10 times more intense than a word of 10 decibels and a word of 30 decibels is 100 times more intense.
Description : How loud is a Fire alarm decibel?
Last Answer : Just tested our work alarm and it read 95db.
Description : What does the term decibel mean?
Last Answer : Decibel is a measure of sound and is logarithmic, meaning 50 decibels is twice as loud as 40 decibels.
Description : Decibel is the unit of….
Last Answer : Sound
Description : The unit of noise pollution (level) is – (1) decibel (2) decimal (3) ppm (4) None of these
Last Answer : (1) decibel Explanation: Noise pollution refers to any unpleasant, damaging or irritating noise that has the potential to harm people, wildlife or the environment. The decibel (dB) is the main unit used ... can also be measured. by its pitch, which is the frequency of sound vibrations per second.
Description : Noise is measured in – (1) Watt (2) REM (3) Centigrade (4) Decibel
Last Answer : (4) Decibel Explanation: The decibel (dB) is a logarithmic unit that indicates the ratio of a physical quantity (usually power or intensity) relative to a specified or implied reference level. A ratio in ... from their roosts in caves, attics, or trees at dusk and hunt for insects into the night.
Description : The unit of measurement of noise is – (1) Decibel (2) Hertz (3) Amplifier (4) Acoustics
Last Answer : (1) Decibel Explanation: The decibel (dB) is the unit used to measure the intensity of sound or noise level. It is given in terms of a logarithmic function of a ratio of power intensities. One ... one bel, named in honor of Alexander Graham Bell who was the inventor of the telephone and phonograph.
Description : What is Decibel?
Last Answer : Scale of sound level
Description : The use of Decibel unit is ……
Description : The unit of pitch A. Decibel B. Phon C. Mel D. Sone
Last Answer : C. Mel
Description : _______ is a typeof transmission impairment in which an outside sourcesuch as crosstalk corrupts asignal. A) Attenuation B) Distortion C) Noise D) Decibel
Last Answer : Noise
Description : ________ is a typeof transmission impairment in which the signal loses strength due to the different propagation speeds of each frequency that makes up the signal. A) Attenuation B) Distortion C) Noise D) Decibel
Last Answer : Distortion
Description : ________ is a typeof transmission impairment in which the signal loses strength due to theresistance of the transmission medium. A) Attenuation B) Distortion C) Noise D) Decibel
Last Answer : Attenuation
Description : Describe the -3 decibel (dB) optical power frequency (f3dB).
Last Answer : The -3 decibel (dB) is the lowest frequency at which the magnitude of the fiber frequency response has decreased to one half its zero-frequency value.
Description : The .............. measures the relative strengths of two signals or a signal at two different points. (A) frequency (B) attenuation (C) throughput (D) decibel
Last Answer : (D) decibel
Description : ..................... is a type of transmission impairment in which the signal loses strength due to the resistance of the transmission medium. (A) Attenuation (B) Distortion (C) Noise (D) Decibel
Last Answer : (A) Attenuation
Description : The unit of measurement of noise is (1) Decibel (2) Hertz (3) Amplifier (4) Acoustics
Last Answer : Decibel
Description : The unit of noise pollution (level) is : (1) decibel (2) decimal (3) ppm (4) None of these
Last Answer : decibel
Description : Noise is measured in (1) Watt (2) REM (3) Centigrade(4) Decibel
Description : What word in French would you use to describe a quiet person?
Last Answer : tranquille .. .une personne tranquille