Transmissibility is the ratio of
a. force transmitted and exciting force
b. force applied and the resulting displacement
c. input displacement and output displacement

1 Answer

Answer :

a. force transmitted and exciting force

Related questions

Description : Transmissibility in a support excitation system is defined by A) Ratio of absolute amplitude of the mass to the excitation amplitude of the support B) Reciprocal of (a) C) Ratio of the ... the foundation, to the equivalent force corresponding to maximum displacement excitation D) None of the above

Last Answer : B) Reciprocal of (a)

Description : The ratio of the force transmitted to the force applied is known as the ____________ of the spring support. A. isolation factor B. transmissibility ratio C. both A and B D. none of the above

Last Answer : C. both A and B

Description : The ratio of the force transmitted to the force applied is known as the ____________ of the spring support. (A) isolation factor (B) transmissibility ratio (C) both A and B (D) none of the above

Last Answer : (C) both A and B

Description : Transmissibility in a force excitation system is defined by the ratio of the A) Maximum excitation force to the force transmitted to the foundation B) Force transmitted to the foundation, to the maximum ... Maximum static deflection of the ass to the deflection of the foundation D) None of the above

Last Answer : B) Force transmitted to the foundation, to the maximum excitation force

Description : The transmissibility can be defined as A. Ratio of acting force to the transmitted force B. Ratio of transmitted force to acting force C. Both D. None

Last Answer : B. Ratio of transmitted force to acting force

Description : During vibrations any machine has unbalanced force of 392N and if it transmitted force of magnitude 58.3N then transmissibility value is A 0.481 B 0.822 C 0.148 D 0.296

Last Answer : C 0.148

Description : A weight of 50 N is suspended from a spring of stiffness 4000N/m and subjected to a harmonic force of magnitude 60N and frequency 60 Hz. what will be the static displacement of the spring due to maximum applied force A. 0.015m B. 0.15 m C. 15 m D. 150m

Last Answer : B. 0.15 m

Description : Which of the following is true regarding Ɛ>1? A. Transmitted force is greater than applied force B. Transmitted force is less than applied force C. Spring force is less than applied force D. Damping force is less than applied force

Last Answer : A. Transmitted force is greater than applied force

Description : When a periodic disturbing force is applied to a machine, the force is transmitted to the ___________ by the means of spring. (A) dampers (B) foundation (C) mass (D) none of the above

Last Answer : (B) foundation

Description : Which of the following is true regarding Ɛ>1? a) Transmitted force is greater than applied force b) Transmitted force is less than applied force c) Spring force is less than applied force d) Damping force is less than applied forc

Last Answer : a) Transmitted force is greater than applied force

Description : When a periodic disturbing force is applied to a machine, the force is transmitted to the foundation by the means of spring. a) True b) False

Last Answer : a) True

Description : Isolation factor is twice the transmissibility ratio. a) True b) False

Last Answer : b) False

Description : Magnification factor is the ratio of the maximum displacement due to forced vibrations to the deflection due to _______ A Static force B Dynamic force C Torsion D Compression

Last Answer : A Static force

Description : The ratio of the maximum displacement of the forced vibration to the deflection due to the static force, is known as A Damping factor B Damping coefficient C Logarithmic decrement D Magnification factor

Last Answer : D Magnification factor

Description : The ratio of the maximum displacement of the forced vibration to the deflection due to the static force is known as A Logarithmic decrement B Magnification factor C Damping factor D None of the mentioned

Last Answer : B Magnification factor

Description : The ratio of maximum displacement of the forced vibration to the deflection due to the static force, is known as A. Damping FactorB. Damping Coefficient C. Logarithmic Decrement D. Magnification Factor

Last Answer : D. Magnification Factor

Description : The ratio of the maximum displacement of the forced vibration to the deflection due to the static force, is known as a) Damping factor b) Damping coefficient c) Logarithmic decrement d) Magnification factor

Last Answer : d) Magnification factor

Description : The ratio of the maximum displacement of the forced vibration to the deflection due to the static force is known as (A) damping factor (B) damping coefficient (C) logarithmic decrement (D) magnification factor

Last Answer : (D) magnification factor

Description : Magnification factor is the ratio of the maximum displacement due to forced vibrations to the deflection due to _______ a) Static force b) Dynamic force c) Torsion d) Compression

Last Answer : a) Static force

Description : The ratio of the maximum displacement of the forced vibration to the deflection due to the static force, is known as a) damping factor b) damping coefficient c) logarithmic decrement d) magnification factor

Last Answer : d) magnification factor

Description : What are deterministic vibrations? * (A)Vibrations caused due to known exciting force (B)Vibrations caused due to unknown exciting force (c) Vibrations which are aperiodic in nature (D) None of the above

Last Answer : (A)Vibrations caused due to known exciting force

Description : Deterministic vibrations are A Vibrations caused due to unknown exciting force B Vibrations caused due to known exciting force C Vibrations which are aperiodic in nature D None of the mentioned

Last Answer : B Vibrations caused due to known exciting force

Description : Resonance is a phenomenon when the frequency of external exciting force is A) Twice the natural frequency of the system B) Half the natural frequency of the system C) Same as the natural frequency of the system D) None of the above

Last Answer : C) Same as the natural frequency of the system

Description : When the frequency of external exciting force is equal to the natural frequency of the vibration of the system A. The amplitude of vibration is zero B. The amplitude of vibration is significantly small C. The amplitude of vibration is very large D. The amplitude does not change

Last Answer : C. The amplitude of vibration is very large

Description : What are deterministic vibrations? a. Vibrations caused due to known exciting force b. Vibrations caused due to unknown exciting force c. Vibrations which are aperiodic in nature d. None of the above

Last Answer : a. Vibrations caused due to known exciting force

Description : A vibrating machine of 100 kg is mounted on a rubber pad which has stiffness of 500 N/m. Determine force transmitted to the foundation if the unbalanced force 500 N acts on it. The frequency ratio (ω/ω n ) is 1.5 and ξ = 0.5 A. 461.62 N B. 400.23 N C. 450 N D. Insufficient data

Last Answer : A. 461.62 N

Description : The external exciting frequency of the system having natural frequency 15 Hz is 10 Hz. The frequency ratio will be A. 1.500 B. 0.667 C. 0.150 D. None

Last Answer : B. 0.667

Description : In vibration isolation system, if ω/ωn < 2, then for all values of damping factor, the transmissibility will be A less than unity B equal to unity C greater than unity D zero

Last Answer : C greater than unity

Description : In vibration isolation system, the transmissibility will be equal to unity, for all values of damping factor, if ω/ωn is A. Equal to 1 B. Equal to √2 C. Less than √2 D. Greater than √2

Last Answer : B. Equal to √2

Description : The rate of decay of oscillations is known as....... A. critical damping B. damping coefficient C. transmissibility D. logarithmic decrement

Last Answer : D. logarithmic decrement

Description : In vibration isolation system, if ω/ω n < 2, then for all values of damping factor, the transmissibility will be a) less than unity b) equal to unity c) greater than unity d) zero

Last Answer : c) greater than unity

Description : In vibration isolation system, if ω/ω n < 2, then for all values of damping factor, the transmissibility will be a) less than unity b) equal to unity c) greater than unity d) zero

Last Answer : c) greater than unity

Description : n vibration isolation system, if ω/ω n is less than √2 , then for all values of the damping factor, the transmissibility will be a) less than unity b) equal to unity c) greater than unity d) zero

Last Answer : c) greater than unity

Description : Which of the following relations is true for viscous damping? A) Force α relative displacement B) Force α relative velocity C) Force α (1 / relative velocity) D) None of the above

Last Answer : B) Force α relative velocity

Description : Which of the following relations is true for viscous damping? a. Force α relative displacement b. Force α relative velocity c. Force α (1 / relative velocity) d. None of the above

Last Answer : b. Force α relative velocity

Description : Maximum displacement due to forced vibration is ____________ the displacement due to static force. (A) inversely proportional to (B) directly proportional to (C) independent of (D) none of the above

Last Answer : (B) directly proportional to

Description : Maximum displacement due to forced vibration is dependent on deflection due to static force. a) True b) False

Last Answer : a) True

Description : In measuring critical speed of shaft experiment, it was found that the frequency ratio is 0.707 when the eccentricity is 0.05 m. what will be the displacement of the system. A. 0.05 m B. 0.005 m C. 0.5 m D. Infinite

Last Answer : A. 0.05 m

Description : Which of the following is a type of transmitted force to the foundation? (A) Damping force (B) Undamping force (C) Tensile force (D) Torsional force

Last Answer : (A) Damping force

Description : In vibration isolation system, if ω/ωn, then the phase difference between the transmitted force and the disturbing force is A 0° B 90° C 180° D 270°

Last Answer : C 180°

Description : In vibration isolation system, if ω/ω n > 1, then the phase difference between the transmitted force and the disturbing force is A. 0° B. 90° C. 180° D. 270°

Last Answer : C. 180°

Description : In vibration isolation system, if ω/ω n , then the phase difference between the transmitted force and the disturbing force is a) 0° b) 90° c) 180° d) 270°

Last Answer : c) 180°

Description : Which of the following is a type of transmitted force to the foundation? (A) Damping force (B) Undamping force (C) Tensile force (D) Torsional force

Last Answer : (A) Damping force

Description : If isolation factor is negative, then what is the phase difference between transmitted and disturbing force? a) 180° b) 90° c) 450° d) 360°

Last Answer : a) 180°

Description : Which of the following is a type of transmitted force to the foundation? a) Damping force b) Undamping force c) Tensile force d) Torsional force

Last Answer : a) Damping force

Description : In vibration isolation system, if ω/ω n , then the phase difference between the transmitted force and the disturbing force is a) 0° b) 90° c) 180° d) 270

Last Answer : c) 180°

Description : In vibration isolation system, if ω/ω n > 1, then the phase difference between the transmitted force and the disturbing force is a) 0° b) 90° c) 180° d) 270°

Last Answer : c) 180°

Description : When a two-degree-of-freedom system is subjected to a harmonic force, the system vibrates at the a. frequency of applied force b. smaller natural frequency c. larger natural frequency d. None of the above

Last Answer : a. frequency of applied force

Description : In damped vibrations, the amplitude of the resulting vibration gradually reduces. This is due to the reason that an amount of energy is always dissipated to overcome the ________ * 1 point (A) Frictional resistance (B) Work done(C) Fluid pressure (D) Air pressure

Last Answer : (A) Frictional resistance

Description : In damped vibrations, the amplitude of the resulting vibration gradually reduces. This is due to the reason that an amount of energy is always dissipated to overcome the ________ a) Frictional resistance b) Work done c) Fluid pressure d) Air pressure

Last Answer : a) Frictional resistance