Bissoy.com
Doctors Medicines MCQs Q&A

Match the following:   Curve   Nature of damping I Curve (a) A Un - Damped II Curve (b) B Over Damped III Curve (c) C Under Damped IV Curve (d) D Critically Damped

Match the following:   Curve   Nature of damping I Curve (a) A Un - Damped II Curve (b) B Over Damped III Curve (c) C Under Damped IV Curve (d) D Critically Damped Correct Answer I - D, II - C, III - B, IV - A

Damping Ratio, ξ = c/cc

ξ = 0: Undamped System

ξ > 1: Over Damped System

ξ < 1: Under Damped System

ξ = 1: Critically Damped System

[ alt="SSC Waves and Oscilation Images-Q75.1" src="//storage.googleapis.com/tb-img/production/17/10/SSC_Waves%20and%20Oscilation_Images-Q75.1.PNG" style="height:219px; width:456px">

[ alt="26 June 1" src="//storage.googleapis.com/tb-img/production/19/08/26%20June_1.png" style="width: 150px; height: 43px;">

[ alt="F2 S.S-D.K 05.09.2019 D1" src="//storage.googleapis.com/tb-img/production/19/09/F2_S.S-D.K_05.09.2019_D1.png" style="width: 365px; height: 177px;">

Overdamped System: ζ > 1

This is the equation of aperiodic motion i.e. the system cannot vibrate due to over-damping. The magnitude of the resultant displacement approaches zero with time.

Underdamped: ζ < 1

 

This resultant motion is oscillatory with decreasing amplitudes having a frequency of ωd. Ultimately, the motion dies down with time.

Critical Damping: ζ = 1

The displacement will be approaching to zero with shortest possible time.

Related Questions

Which of the following methods are used for producing damping torque in analog instruments? 1) Air friction damping 2) Fluid friction damping 3) Eddy current damping 4) Electromagnetic damping
Consider the following types of damping: 1. Air-friction damping 2.Fluid-friction damping 3.Eddy-current damping PMMC type instruments use which of the above?
In three 20-20 cricket match series play in three different stadiums whose capacities ratio 3 ∶ 2 ∶ 1 are packed with male and female audience. The ratio of male and female audience in the stadium are 5 ∶ 2, 4 ∶ 1, and 4 ∶ 1 respectively. On special demand of audience one more match is played and the total audience for the match is sum of 1 / 3 of first match audience, 1 / 2 of second match audience and 1 / 7 of third match audience then find the percent of female in the fourth match.
Simplify : $${{{5 \over 3} \times {7 \over {51}}{\text{ of }}{{17} \over 5} - {1 \over 3}} \over {{2 \over 9} \times {5 \over 7}{\text{ of }}{{28} \over 5} - {2 \over 3}}}$$
If the damping factor is less than the damping factor at critical damping, the time response of the system is ___________
Find critical damping coefficient if damping ratio is 0.5 and damping coefficient is 1.1.
Consider the following statement In damped oscillation, the amplitude of oscillation decreases exponentially due to damping forces. In damped oscillation, the frequency of the oscillation is slightly reduced.   Which of the following statement is correct?
A vehicle suspension system consists of a spring and a damper. The stiffness of the spring is 3.6 kN/m and the damping constant of the damper is 400 Ns/m. If the mass is 50 kg, then the damping factor (d ) and damped natural frequency (fn), respectively, are
Which of the following is true regarding the metallic nature of minerals? I. Metallic nature is directly proportional to electropositive nature. II. Metallic nature in period increases. III. Metallic nature in groups increases.
Study the following table carefully to answer the questions: The runs scored by 2 teams in a series of 5 different cricket matches   England India Match - I 420 310 Match - II 310 250 Match - III 200 300 Match - IV 250 150 Match - V 300 325 What is the difference between the runs scored by England and India in all the matches?