Let the reverberation time be 1.5 s for an empty hall and 1.3 s when a curtain cloth of 20 m2 is suspended at the centre of the hall. If the dimensions of the hall are 10mx8mx6m, calculate the coefficient of absorption of the curtain cloth

Q: 3- 50 m tape was used to measure line SF; if the measured distance was 1288.54 m. Find the corrected…

A: Given that:                     Nominal length of tape, l=50mMeasured distance, L=1288.54 mTrue…

Q: The noise level from a source outside a building is 75 dB(A). The wall material has an overall…

A: Given, L = 75 dB(A) Aw = 39.5 m2 Ao = 0.5 m2

Q: 2.32 For the setup shown in Fig. P2.32, calculate the manometer reading H. O 16 kPa 30 cm Oil S =…

A:

Q: Consider flow from a water reservoir through a circular hole of diameter D = 0.16m at the sidewall…

A: Given data Diameter of hole D = 0.16m Vertical distance of sidewall from free surface = H = z1…

Q: 6. The room pictured has the following absorption coefficients at 500 Hz: Floor: Carpet, a = 0.14…

A: Given: Absorption Coefficients: 1. For Floor: α=0.14 2. For Ceiling:  α=0.70 3. For walls: α=0.10

Q: The Empire State Building in NYC is approximately 440 meters in height. The superstructure of the…

A: Given, The Empire State Building in NYC L is 440 m in height, Transmitted ν=1500 m/sec

Q: 2-66 Determine the speed of sound in air at (a) 300 K an (b) 800 K. Also determine the Mach number…

A: Using relation C=kRTk=1.4 R=0.287×103 JkgK

Thermal Processes

Some of the key areas where thermal processes find their application are: