The effect of error damping is to?

The effect of error damping is to?
by

1 Answer

Answer :

The effect of error damping is to reduce steady state error.

by

Related questions

In lag compensator the damping ratio, gain and steady state error (ess) are

Description : In lag compensator the damping ratio, gain and steady state error (ess) are   (a) Decreases, Decreases and Increases (b) Decreases, Increases and Increases (c) Increases, Increases and Decreases (d) Increases, Decreases and Decreases

Last Answer : In lag compensator the damping ratio, gain and steady state error (ess) are Increases, Decreases and Decreases

For a 2nd order servo system, the damping ratio δ = 0.5456 and undamped natural frequency is

Description : For a 2nd order servo system, the damping ratio δ = 0.5456 and undamped natural frequency is ωn = 31.6 rad/sec. The percent overshoot is  (a) 7.07 (b) 10.2 (c) 14.10 (d) 21.21

Last Answer : For a 2nd order servo system, the damping ratio δ = 0.5456 and undamped natural frequency is ωn = 31.6 rad/sec. The percent overshoot is 14.10

Given a unity feedback system with G(s)=k/s (s+4), the value of k for damping ratio of 0.5 is

Description : Given a unity feedback system with G(s)=k/s (s+4), the value of k for damping ratio of 0.5 is

Last Answer : Given a unity feedback system with G(s)=k/s (s+4), the value of k for damping ratio of 0.5 is 16

The damping factor of a particular system is unity, the system response will be

Description : The damping factor of a particular system is unity, the system response will be

Last Answer : The damping factor of a particular system is unity, the system response will be critically damped

Error-rate damping is effective because the circuitry has the capability of ______________the amount of overshoot before it happens.

Description : Error-rate damping is effective because the circuitry has the capability of ______________the amount of overshoot before it happens.

Last Answer : Anticipating

What is the steady state error of type-0 system for ramp input?

Description : What is the steady state error of type-0 system for ramp input?  A) ∞ B) A/K C) A/(1+K) D) 0

Last Answer : What is the steady state error of type-0 system for ramp input?  A) ∞ B) A/K C) A/(1+K) D) 0

For a feedback control system of type 2, the steady error for a rap input is

Description : For a feedback control system of type 2, the steady error for a rap input is  A) Infinite B) Constant C) Zero D) Indeterminate

Last Answer : For a feedback control system of type 2, the steady error for a rap input is Zero 

How can the steady-state error in a system be reduced?

Description : How can the steady-state error in a system be reduced?  (1) By decreasing the type of system (2) By increasing system gain (3) By decreasing the static error constant (4) By increasing the input

Last Answer : How can the steady-state error in a system be reduced?  (1) By decreasing the type of system (2) By increasing system gain (3) By decreasing the static error constant (4) By increasing the input

In order to regulate steady state error to zero, in a negative feedback control system, one employs

Description : In order to regulate steady state error to zero, in a negative feedback control system, one employs

Last Answer : In order to regulate steady state error to zero, in a negative feedback control system, one employs Integral control

If stability error for step input and speed of response be the criteria for design, what controller would you

Description : If stability error for step input and speed of response be the criteria for design, what controller would you recommend (1) P controller (2) PD controller (3) PI controller (4) PID controller

Last Answer : If stability error for step input and speed of response be the criteria for design, what controller would you recommend (1) P controller (2) PD controller (3) PI controller (4) PID controller

The steady state error of the system can be minimized by

Description : The steady state error of the system can be minimized by

Last Answer : The steady state error of the system can be minimized by increasing gain k

In a control system integral error compensation _______ steady state error.

Description : In a control system integral error compensation _______ steady state error.

Last Answer : In a control system integral error compensation minimizes steady state error.

Velocity error constant of a system is measured when the input to the ...

Description : Velocity error constant of a system is measured when the input to the system is unit _______ function.

Last Answer : Velocity error constant of a system is measured when the input to the system is unit ramp function.

Static error co-efficients are used as a measure of the effectiveness of...

Description : Static error co-efficients are used as a measure of the effectiveness of closed loop systems for specified ________ input signal.

Last Answer : acceleration , velocity, position 

The effect of damping on the natural frequency of the system is to A) Reduce it considerably B) Increase it considerably C) Reduce it marginally D) Increase it marginally

Description : The effect of damping on the natural frequency of the system is to A) Reduce it considerably B) Increase it considerably C) Reduce it marginally D) Increase it marginally

Last Answer : C) Reduce it marginally

The effect of negative feedback on distortion and bandwidth is A) Both distortion and bandwidth get

Description : The effect of negative feedback on distortion and bandwidth is A) Both distortion and bandwidth get decreased B) Both distortion and bandwidth get increased C) Distortion is reduced and bandwidth is increased D) Distortion is increased and bandwidth is decreased 

Last Answer : The effect of negative feedback on distortion and bandwidth is Distortion is reduced and bandwidth is increased

Which of the following most accurately summarizes what is meant by the term “material misstatement?” a. Fraud and direct-effect illegal acts. b. Fraud involving senior management and material fraud. c. Material error, material fraud, and certain illegal acts. d. Material error and material illegal acts.

Description : Which of the following most accurately summarizes what is meant by the term material misstatement? a. Fraud and direct-effect illegal acts. b. Fraud involving senior management and material fraud. ... error, material fraud, and certain illegal acts. d. Material error and material illegal acts.

Last Answer : Material error, material fraud, and certain illegal acts.

Bowditch rule is applied to (A) An open traverse for graphical adjustment (B) A closed traverse for adjustment of closing error (C) Determine the effect of local attraction (D) None of the above

Description : Bowditch rule is applied to (A) An open traverse for graphical adjustment (B) A closed traverse for adjustment of closing error (C) Determine the effect of local attraction (D) None of the above

Last Answer : (B) A closed traverse for adjustment of closing error

Which of the following are all errors associated with ADF? a. Selective availability, coastal refraction, night effect b. Night effect, quadrantal error, lane slip c. Mountain effect, station interference, static interference d. Selective availability, coastal refraction, quadrantal error

Description : Which of the following are all errors associated with ADF? a. Selective availability, coastal refraction, night effect b. Night effect, quadrantal error, lane slip c. Mountain effect, station interference, static interference d. Selective availability, coastal refraction, quadrantal error

Last Answer : c. Mountain effect, station interference, static interference

How can I prevent my seedlings from damping off?

Description : How can I prevent my seedlings from damping off?

Last Answer : Did you use a soiless mix to start them in?

Damping off of chilly seedlings is due to

Description : Damping off of chilly seedlings is due to

Last Answer : Ans. Pithium sp

Damping off of Brinjal seedlings is due to

Description : Damping off of Brinjal seedlings is due to

Last Answer : Ans. Pithium sp (15) Other Vegetable Diseases

Damping off of tobacco is caused by

Description : Damping off of tobacco is caused by

Last Answer : Ans. Pythium aphanidermaum

The second derivative input signals modify which of the following? a) The time constant of the system b) Damping of the system c) The time constant and suppress the oscillations d) The gain of the system

Description : The second derivative input signals modify which of the following? a) The time constant of the system b) Damping of the system c) The time constant and suppress the oscillations d) The gain of the system

Last Answer : Ans: C

Damping off of seedlings is caused by (1) Peronospola parasitica (2) Albugo Candida (3) Phytophthora infestans (4) Pythium debaryanum

Description : Damping off of seedlings is caused by (1) Peronospola parasitica (2) Albugo Candida (3) Phytophthora infestans (4) Pythium debaryanum

Last Answer : (4) Pythium debaryanum Explanation: Damping off is a horticultural disease or condition, caused by a number of different pathogens that kill or weaken seeds or seedlings before or after ... solani, attacks by Pythium are most associated with producing roughly circular patcties of dead seedlings.

How much damping can be expected from a Wire Rope Isolator (WRI)?

Description : How much damping can be expected from a Wire Rope Isolator (WRI)?

Last Answer : WRI have between 5% and 20% damping. The amount of damping is related to wire diameter and stroke. The larger the wire diameter, the more damped (and stiffer) the isolator. Damping can be less with small amplitude vibration.

What is coulomb damping?

Description : What is coulomb damping?

Last Answer : The system is said to have coulomb or dry friction damping if the damping force in a vibratory system is constant and independent of position or velocity of the system.

What is damping factor?

Description : What is damping factor?

Last Answer : A dimensionless ratio, which defines the amount of damping in a system. Commonly defined as C/Cr.

What is critical damping?

Description : What is critical damping?

Last Answer : Critical damping is the smallest amount of damping required to return a system to its equilibrium position without oscillation.

What is damping?

Description : What is damping?

Last Answer : Describes the dissipation of energy with time or displacement. There are many common types of damping; viscous damping (orifice in a hydraulic shock absorber), hysteretic damping (occurs in an elastomeric isolator), and coulomb damping (as in a wire rope isolator).

Ability of a material to __________ is indicated by its damping capacity. (A) Withstand compression (B) Absorb vibration (C) Absorb shock (D) None of these

Description : Ability of a material to __________ is indicated by its damping capacity. (A) Withstand compression (B) Absorb vibration (C) Absorb shock (D) None of these

Last Answer : (B) Absorb vibration

Which of the following is not true for cast iron flywheels? a) Excellent damping b) Cheap c) Given complex shape d) Sudden failure

Description : Which of the following is not true for cast iron flywheels? a) Excellent damping b) Cheap c) Given complex shape d) Sudden failure

Last Answer : d) Sudden failure

What is meant by critical damping coefficient? * 1 point (A) Frequency of damped free vibrations is less than zero (B). The motion is a periodic in nature (C). Both a. and b. (D). None of the above

Description : What is meant by critical damping coefficient? * 1 point (A) Frequency of damped free vibrations is less than zero (B). The motion is a periodic in nature (C). Both a. and b. (D). None of the above

Last Answer : (C). Both a. and b.

Unit of the damping factor is ______. (A) Nm/s (B) N/sm (C) N/m (D) none of the above

Description : Unit of the damping factor is ______. (A) Nm/s (B) N/sm (C) N/m (D) none of the above

Last Answer : (D) none of the above

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

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

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

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

In steady state forced vibrations, the amplitude of vibrations at resonance is _____________ damping coefficient. A equal to B directly proportional to C inversely proportional to D independent of

Description : In steady state forced vibrations, the amplitude of vibrations at resonance is _____________ damping coefficient. A equal to B directly proportional to C inversely proportional to D independent of

Last Answer : C inversely proportional to

A simple pendulum is found to vibrate at a frequency of 0.5Hz in vacuum and0.45 Hz in a viscous fluid medium. Find the damping factor. 0.5122 (B) 0.9272 (C) 0.4359 (D) 0.2568

Description : A simple pendulum is found to vibrate at a frequency of 0.5Hz in vacuum and0.45 Hz in a viscous fluid medium. Find the damping factor. 0.5122 (B) 0.9272 (C) 0.4359 (D) 0.2568

Last Answer : (C) 0.4359

A vehicle suspension system consists of a spring and a damper. Stiffness of spring is 3.5 KN/m and damping constant of damper is 400Ns/m. If mass is 50 kg, then damping factor is A 0.606 B 0.10 C 0.666 D 0.471

Description : A vehicle suspension system consists of a spring and a damper. Stiffness of spring is 3.5 KN/m and damping constant of damper is 400Ns/m. If mass is 50 kg, then damping factor is A 0.606 B 0.10 C 0.666 D 0.471

Last Answer : D 0.471

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

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

The ratio of the actual damping coefficient (c) to the critical damping coefficient (cc ) is known as _________ A Damping factor B Damping coefficient C Resistive factor D Resistive coefficient

Description : The ratio of the actual damping coefficient (c) to the critical damping coefficient (cc ) is known as _________ A Damping factor B Damping coefficient C Resistive factor D Resistive coefficient

Last Answer : A Damping factor

Calculate logarithmic decrement if damping factor is 0.33. A 1.36 B 3.23 C 5.16D 2.19

Description : Calculate logarithmic decrement if damping factor is 0.33. A 1.36 B 3.23 C 5.16D 2.19

Last Answer : D 2.19

Calculate natural frequency of damped vibration, if damping factor is 0.52 and natural frequency of the system is 30 rad/sec which consists of machine supported on springs and dashpots. A 25.62 rad/sec B 20.78 rad/sec C 14.4 rad/sec D 15.33 rad/sec

Description : Calculate natural frequency of damped vibration, if damping factor is 0.52 and natural frequency of the system is 30 rad/sec which consists of machine supported on springs and dashpots. A 25.62 rad/sec B 20.78 rad/sec C 14.4 rad/sec D 15.33 rad/sec

Last Answer : A 25.62 rad/sec

What is meant by critical damping coefficient? A Frequency of damped free vibrations is less than zero B The motion is aperiodic in nature C Both a. and b. D None of the above

Description : What is meant by critical damping coefficient? A Frequency of damped free vibrations is less than zero B The motion is aperiodic in nature C Both a. and b. D None of the above

Last Answer : B The motion is aperiodic in nature

Eddy current damping is an example of _____ A Coulomb damping B Hysteresis damping C Viscous damping D Dry friction damping

Description : Eddy current damping is an example of _____ A Coulomb damping B Hysteresis damping C Viscous damping D Dry friction damping

Last Answer : C Viscous damping

In a spring-mass system, which of the following force is not considered? A Spring force B Damping force C Accelerating force D A and B

Description : In a spring-mass system, which of the following force is not considered? A Spring force B Damping force C Accelerating force D A and B

Last Answer : B Damping force

Calculate natural frequency of damped vibration, if damping factor is 0.52 and natural frequency of the system is 30 rad/sec which consists of machine supported on springs and dashpots. A 21 rad/sec B 25.62 rad/sec C 20.22 Hz D 3.15 Hz

Description : Calculate natural frequency of damped vibration, if damping factor is 0.52 and natural frequency of the system is 30 rad/sec which consists of machine supported on springs and dashpots. A 21 rad/sec B 25.62 rad/sec C 20.22 Hz D 3.15 Hz

Last Answer : B 25.62 rad/sec

A vibrating system having mass 1kg, a spring of stiffness 1000N/m and damping factor of 0.632 and it is put to harmonic excitation of 10N. Find the amplitude at resonance. A 0.079 B 7.9C 0.056 D 0.00791

Description : A vibrating system having mass 1kg, a spring of stiffness 1000N/m and damping factor of 0.632 and it is put to harmonic excitation of 10N. Find the amplitude at resonance. A 0.079 B 7.9C 0.056 D 0.00791

Last Answer : D 0.00791

A simple pendulum is found to vibrate at a frequency of 0.5Hz in vacuum and 0.45Hz in a viscous fluid medium. Find the damping factor. A 0.5122 B 0.9237 C 0.4359 D 0.2568

Description : A simple pendulum is found to vibrate at a frequency of 0.5Hz in vacuum and 0.45Hz in a viscous fluid medium. Find the damping factor. A 0.5122 B 0.9237 C 0.4359 D 0.2568

Last Answer : C 0.4359