6. Vibration absorber attachment to the system will create 3 new natural frequencies *

Q: A force does work when it moves through a displacement. True or false?

A: The work done by the force is defined as the dot product of the force vector and displacement…

Q: 12. The frequency of a damped harmonic oscillator is three-quarters of the frequency of the same…

A:

Q: Subject: Vibration Engineering Determine the degrees of freedom (c)

A: The given problem is based on vibration analysis.

Q: Disadvantage of Hydraulic system is The structural weight and size of the system is more which makes…

A: The given statement is True.

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: Define amplitude of vibration.

A: Any vibration causes wave formation. Amplitude of any particle or body undergoing vibration is the…

Q: 2. Please select methods that can be used to control vibrations Introduce damping Increase mass…

A: There are various methods which are used to control vibration:

Q: in vibration, motion that occurs within a specified/one time period is called ____?

A: Vibration is a periodic motion.

Q: e maximum value of gain K fo

A: To find Maximum value of gain K .

Q: The change in the frequency by factor two , equivalent to one .resulting in. .dB change ratio. while…

A: Refer to the AV(dB) vs Frequency graph in your respective book.

Q: Q.5 A seismometer has a natural frequency of 8 Hz and a damping ratio of 0.2. What is the percentage…

A: GivenNatural frequency ωn=8hzdamping ratio=0.2

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: he air is measured at 20 deg. C and 679mm Hg. The duct diameter is 744 mm while the discharge…

A: Given, Air temperature , T =20 deg C Pressure - P1 = 679 mm hg volume flow rate , Q = 4m3/s.…

Q: The kind of a free vibration in which m = 7kg. c= 4N-s/m and k = 3N/m. %3D

A: The mass on the vibrating system is, m=7 kg. The damping coefficient of the damper is, C=4 N·s/m.…

Q: 69) Bearing frequencies are: A) integers orders of the machine running speed B) non-synchronous…

A: Ans: c Harmonics of 1X

Q: X3 etc.

A: Here, from the figure we can see that there are Infinite number of points on the beam. and each…

Q: Forced vibration depends on w„/w. O True O False

A:

Q: a.) velocity and b.) displacement.

A: Derivation for velocity and displacement.

Q: A swing is observed from the side. It moves from extreme left to extreme right in 1.5 seconds, what…

A: Given:Time taken to move from extreme left to extreme right=1.5 sec

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

A:

Q: Determine the natural frequencies of the following 2 DOF vibrating system:

A: given:

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: False True DOF of a system is defined by the minimum dependent coordinates that made a position of a…

A: To find  True false

Q: Fig. 9 6. Explicate the function and name of every instrument used in figure 9

A: To explicate: The function and name of every instrument used in figure 9. Explanation: The name of…

Q: Simple harmonic motion (SHM) is a technical term used to describe a certain kind of alized…

A:

Q: Is the ratio of length strings which can produce an Octave chord.

A: Given Octave chord To find Relation of octave chord to the string length ratio

Q: Choose correct answer: The number of oscillation per second is frequency. Select one: True False

A: The number of oscillation per second is frequency. Answer: True

Q: 5. Find the natural frequency of a 1-mm thick, 6-mm diameter steel diaphragm to be used for high-…

A:

Q: 2. Explain the working principle of Coriolis meter?

A: Given:- Coriolis meter To find:- Working principle

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: angular frequency of the sinusoid

A: Angular  frequency= 6.7 rad/sec

Q: a) All Static Requirements b) frequency factor should be equal or higher to 15. c) Seq < Ses d) All…

A: For the helical compressive spring under fatigue load it must meet 1. All static requirements. 2.…

Q: The _____________ between the windings of a transformer is the same. current induced emf voltage…

A: Transformer changes current and the voltage of a circuit but power (P=VI) remains constant. This is…

Q: The harmonic excitation means that there is external force with any form. Select one: O True False

A: Given:

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

A:

Q: Briefly explain the following terms.                                       Mechanical Vibration.…

A: Hi and thanks for the question. Since you have asked questions with multiple sub parts, We will…

Q: 8. When a sine wave has a frequency of 60 Hz, in 10 seconds it goes through (a) 6 cycles () 10…

A: In this question simple formula is used Frequency (f)=Cycles (C)/time(t) As 1Hz=1/s

Q: he number n in a ≡ b (mod n) is called modulu

A: The Young's modulus of a material is defined as the ratio of tensile stress to tensile strain…

Q: he natural frequenCy of vibration of

A:

Q: The frequency of the rotor circuit increase as the rotor speed decreases True O False O

A: True.

Q: Vibrations

A: given:

Q: 1. Agenerator produces a voltage of V(t) = (15.0)sin(120µ t). a. What is the frequency. f?

A: To find Frequency Peak voltage

Q: Find the natural frequency of the system shown in Fig.17.52.

A:

Q: Find natural frequency

A: To find  Natural frequrncy

Q: Find FOS using max distortion energy

A: Given data; Mx shear stress (ζmax)=100MPayield strengths=300 MPaultimate strengths=450 MPawe have to…

Q: 300 rpm. The index of compressor and expansion is 1.3. Determine; of the cylinder; erature; er;

A: assume in the absence of clearance   data we have  P1 = 1 BAR , T1 = 15°C  P2 = 7 Bar  N = 300rpmn =…

Q: The number of oscillation per second is periodic time. Select one: True False

A: It is required to evaluate given statement

Q: During free vibration, each degree of freedom oscillates with different phase angles. Select one: O…

A: A free vibration is a form of vibration that applies a power once, and allows the structure or part…

Q: the natural frequency of vibration of the system is rad/s (round ce)

A: Given data; consider the point at which the circles touches bottom as O;     Using the energy…

Processing of Polymer Matrix Composites

The polymer matrix composite is described as a composite material that contains some polymer in the form of either fibers or powder. Polymer matrix composites are also known in short as PMC's.