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1. According to the principle of conservation of energy, under the action of force, the sum of PE and KE of a particle remains constant A. conservative force B dissipative force C frictional force D. air resistance force 2. When there is a reduction in amplitude over every cucle of vibration, then the body is said to have a) free vibration b) forced vibration c) damped vibration di none of the mentioned 3. The factor which affects the critical speed of a shaft is aj diameter of the disc b) span of the shaft c) eccentricity d) all of the mentioned 4. 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 5. In vibration isolation system, ifø/@, 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

1. According to the principle of conservation of energy, under the action of force, the sum of PE and KE of a particle remains constant A. conservative force B dissipative force C frictional force D. air resistance force 2. When there is a reduction in amplitude over every cucle of vibration, then the body is said to have a) free vibration b) forced vibration c) damped vibration di none of the mentioned 3. The factor which affects the critical speed of a shaft is aj diameter of the disc b) span of the shaft c) eccentricity d) all of the mentioned 4. 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 5. In vibration isolation system, ifø/@, 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

Elements Of Electromagnetics
Elements Of Electromagnetics
7th Edition
ISBN:9780190698614
Author:Sadiku, Matthew N. O.
Publisher:Sadiku, Matthew N. O.
ChapterMA: Math Assessment
Section: Chapter Questions
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1. According to the principle of conservation of energy, under the action of force, the sum of PE and K.E of a particle remains constant. A. conservative force B dissipative force C frictional force D. air resistance force 2. When there is a reduction in amplitude over every cicle of vibration, then the body is said to have a) free vibration b) forced vibration c) damped vibration di none of the mentioned 3. The factor whích affects the critical speed of a shaft is a) diameter of the disc b) span of the shaft c) eccentricity d) all of the mentioned 4. 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 5. In vibration isolation system, iføl@, 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
Transcribed Image Text:1. According to the principle of conservation of energy, under the action of force, the sum of PE and K.E of a particle remains constant. A. conservative force B dissipative force C frictional force D. air resistance force 2. When there is a reduction in amplitude over every cicle of vibration, then the body is said to have a) free vibration b) forced vibration c) damped vibration di none of the mentioned 3. The factor whích affects the critical speed of a shaft is a) diameter of the disc b) span of the shaft c) eccentricity d) all of the mentioned 4. 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 5. In vibration isolation system, iføl@, 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
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