MCQ in Acoustics Part 3 – Answers

(Last Updated On: April 3, 2020)

MCQ in Acoustics Part 3 | ECE Board Exam

Below are the answers key for the Multiple Choice Questions in Acoustics Part 3.

101. Tempo

102. Pitch

103. Reverberation chamber method

104. Diffraction

105. Sound intensity

106. mel

107. woofer

108. Volume

109. Fundamental

110. dP/dA

111. particle displacement

112. Flanking transmission

113. 512 to 2048 Hz

14. Pitch

115. Converts current variations into sound waves

116. 115.56 dBSPL

117. Phonoscope

118. Properties of the medium

119. Around 15 times

120. Threshold of pain

121. 0.12 W

122. Dolby

123. Carbon

124. Noy

125. Reverberation time

126. 1/4

127. Hump and notch

128. Masking

129. Norris-Eyring

130. Threshold of hearing

131. Loudness

132. Pitch

133. 18.3 mm

134. 1000 mels

135. 357.73 m/s

136. 13 Hz

137. 1 sone

138. 90 phons

139. Echo

140. Sound level meter

141. Presbycusis

142. 95-100 dB

143. Variable resistance

144. Newtons per meter squared

145. 1 milliwatt

146. Increase by 6 dB

147. 20 Hz -20 kHz

148. Microphone

149. Noise rating curve

150. 1 kHz

Questions and Answers in Acoustics Series

Following is the list of multiple choice questions in this brand new series:

MCQ in Acoustics
PART 1: MCQ from Number 1 – 50                        Answer key: PART 1
PART 2: MCQ from Number 51 – 100                   Answer key: PART 2
PART 3: MCQ from Number 101 – 150                 Answer key: PART 3
PART 4: MCQ from Number 151 – 200                 Answer key: included

Complete List of MCQ in Communications Engineering per topic

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