What are the types of noise suppresion? Describe each type.

Q: A foreman is exposed to the hand tool vibration for values of a = 4 m/s?, a, = 8 m/s?, and a:…

A: (i) Write the given data. ax=4 m/s2ay=8 m/s2az=8 m/s2t=30 min

Q: ID: BME Find CT the frequency of 1 m ³k = 1 kN/m. Mpod = 2 kg I pod = 2m the followin syster…

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Q: The value of the determinant in db - ca da- cb de + ba db + ca dc - ba.

A: Answer: ◆ The value of the determinant is (da - cb). ◆ Therefore, the correct answer is option (b).…

Q: The number of cycles per unit time is called the of vibration Select one: O a. frequency O b. period…

A: Frequency The number of complete oscillations per unit time is called frequency, that too in a…

Q: Hwe, Find the system stability par th Ch qpe Por 4 3 2 is as : S+25+4S+85 +lo =D0

A: Since there are two sign changes in the first column of the Routh array, the system is unstable.

Q: natural frequency of the system.

A: Given: A mass of 1 kg, m=1 kgAttached to two identical springs each of stiffness;  k=25 kN/mUnder…

Q: e maximum value of gain K fo

A: To find Maximum value of gain K .

Q: Define the T ds RELATIONS

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Q: 3) The Ar handling unit is a part of. a. Central HVAC system. . b. Cooling part of central HVAC…

A: 3. The air handling unit is a part of  a. Central HVAC system b. Cooling part of central HVAC system…

Q: what is unit impulse response?

A: Impulsive excitations are considered to be a large magnitude force that acts over a very short time…

Q: 1- Any succesșive amplitudes of a vibratory system can be used to determine the logarithmic decremen…

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Q: :Natural frequency is depends on the

A: To determine on what parameters natural frequency is dependent.

Q: 5. The purpose of vibration absorber is to reduce vibration at resonance * Choose True False

A: Vibration absorber is used in high frequency vibrations . Absorber is a device whose natural…

Q: he modulation index is said to be 1.8. What would you say for such a value? O a. under modulation O…

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Q: Select from then list below the equation which represents application of vg = Va + Vg/A-

A: solution; given data θ = 30° VA = 4m/s →VA = →VA +→VBA

Q: he damped natural frequency can be larger than the undamped natural frequency. Gelect one: O True O…

A: The given statement is false.

Q: What are the measurement units of noise? How can we measure the sound pressure level of the noise…

A: The measurement unit of noise is Decibels.

Q: -why should the supply frequency be maintained constamt

A:

Q: e natural frequency of the system ?

A: Given: A mass,m=3 kgIt is attached to two identical,springs each of stiffness,k=35 kN/mNatural…

Q: Determine the two natural frequencies and mode shapes of thể two-mass syst

A: Given: To determine: Natural frequency mode shape

Q: b) Discuss the differences between Overdamped, Critical Damped and Under Damped in a vibratory…

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Q: a. Explain how the output power of a turbine-generator operating in a constant frequency system is…

A: Isochronous Operation Examples Consider an islanding electrical power system with one…

Q: How phuse is measured in vibration Signels ? 14 15 what are the benfits of rotafion machines d E…

A: 14. Ans=  The phase measurement in machinery vibration measurements uses the phase lag convention.…

Q: Given mass1=10kg Jo=20kg-m2 mass2=15kg, a is half of b. The rocker is 30 centimeters long. k1=10N/m,…

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Q: For what value of w (frequency of the forced harmonic excitation) does the system described by ÿ+9y…

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Q: stify which method b- curate natural frequency

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Q: A Systen is faund bo 0170- M+J Aermin the natural ne System effective ne eguilibriu

A: Solution      Calculate the equilibrium position                x''+3kxm+JR2=0

Q: recommendation on how to solve dmaping factor in single free dampe vibration. show steps

A: The procedure to solve for damping factor is explained with the help of following example. Let us…

Q: obot ensors ppropriate robot for unloading the discs from the hot, showing clearly the inints…

A: The sensors which are used are color, LIDAR, Force and Torque sensors.

Q: drw Jetticron -02 BSME -01 of duia arrange work in 227°C

A:

Q: A compressor that has been in service for 20 years has finally broken down beyond repair, and now…

A: Solution: Given Data: Pold=180 hpPnew=400 hpCIold=144.5CInew=252.4n=0.32Mold=$1200

Q: If output to the valve (M) = Gain * Error + Gain *(t /TC) S (error), what is the output after two…

A: Given: Output = Gain * Error + Gain *(t /TC) To find: output after 2 intervals

Q: Vibration is a study of forced movement only Ture O False O

A: Vibration is the analysis of both the free and forced movements of springs, dampners, etc.

Q: Gomsider te following Syttecu Saathi ASume mン1 K=1000 ONIM eaud c=100 the dauy?inng ratio Ob the…

A: Given Data m1=m2=m=1 k=10000 N/m c=100 N·/m Now the equation of motion can be written as…

Q: Find natural frequency

A: To find  Natural frequrncy

Q: 1. Choose the correct equation for natural frequency * k Wn m Wn k || m Option 1 Option 2 m k Wn Wn…

A:

Q: What is natural frequency?

A: Natural frequency is the oscillation of mechanical or any system in the absence of any driving or…

Q: Insulated Ax h, T 1 2 3 4 5

A: Temperature conveyance and hotness transition are of exceptional interest now and again where…

Q: ассе accelerati1on esponse of (d: ial displacem 's respectively се

A:

Q: Why the noisepollution is considered a serious occupational health hazard?

A: Noise pollution is commonly characterized as daily exposure to elevated sound levels that may cause…