2013年一级建筑师物理与设备冲刺试卷二(国外英语资料).docVIP

2013年一级建筑师物理与设备冲刺试卷二(国外英语资料) 2013 grade 1 architect physics and equipment sprint test paper two I. radio questions () 1, which of the following shapes of sound waves produce acoustic focusing? () A. convex surface B. concave surface C. plane D. bump interface Standard answer: B 2, the acoustic path of direct and reflected sounds is no more than (m), and there will be no echo perception. A.34m B.17m C.68m D.340m Standard answer: B 3, to make the human ear subjective loudness doubled, the loudness level to increase (). A.2Phon B.3Phon C.6Phon D.10Phon Standard answer: D 4, the three element of sound refers to The strength, tone, tone, and tone of a A. sound The frequency, wavelength, speed of sound of a B. C. sound pressure level, sound intensity and sound power D. loudness, clarity, spatial sense Standard answer: A 5 which of the following is true in the description of the directivity of sound sources? () The larger the acoustic wavelength of A. is, the stronger the directivity is The B. directional acoustic source is equal to the sound pressure level in different directions from the acoustic source center The higher the frequency of sound waves radiated by a C. source, the stronger the directivity The directivity of the D. sound source is the direction of the sound source Standard answer: C 6 the tone of sound is determined mainly by the sound. A. sound pressure level B. frequency C. spectrum D. wavelength Standard answer: C 7 which of the following factors has nothing to do with the reverberation radius of the room? () The acoustic power of A. sound source Sound absorption coefficient of B. interface materials C. room interface area Location of the D. sound source Standard answer: A 8 which of the following description of the coincidence effect is wrong? () The A. coincidence effect is a resonance phenomenon When the B. coincidence effect occurs, the sound insulation capacity of the component is greatly reduced C. form double glass parallel placement, can avoid or