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

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

by

1 Answer

Answer :

acceleration , velocity, position 

by

Related questions

Which of the following statements is correct for any closed loop system ? (a) All the co-efficients can have zero value (6) All the co-efficients are always non-zero (c) Only one of the static error co-efficients has a finite non-zero value (d) None of the above

Description : Which of the following statements is correct for any closed loop system ? (a) All the co-efficients can have zero value (6) All the co-efficients are always non-zero (c) Only one of the static error co-efficients has a finite non-zero value (d) None of the above

Last Answer : Ans: C

The relation among various mass transfer co-efficients (M.T.C) for ideal gases is given by (where, Kc & Km are M.T.C. for equimolar counter diffusion with concentration & mole fraction respectively as the driving force. and, Kp= M.T.C. for diffusion of a gas through a stagnant inert gas with pressure as driving force.) (A) Kc = Kp = Km (B) Kc = Kp /RT = Km . RT/P (C) Kc = Kp . RT = Km . RT/p (D) None of these

Description : The relation among various mass transfer co-efficients (M.T.C) for ideal gases is given by (where, Kc & Km are M.T.C. for equimolar counter diffusion with concentration & mole fraction respectively as the driving ... (C) Kc = Kp . RT = Km . RT/p (D) None of these

Last Answer : (C) Kc = Kp . RT = Km . RT/p

The individual mass transfer co-efficients (moles/m2s) for absorption of a solute from a gas mixture into a liquid solvent are, KL = 4.5 and KG = 1.5. The slope of the equilibrium line is 3. Which of the following resistance (s) is (are) controlling? (A) Liquid side (B) Gas side (C) Interfacial (D) Both liquid and gas side

Description : The individual mass transfer co-efficients (moles/m2s) for absorption of a solute from a gas mixture into a liquid solvent are, KL = 4.5 and KG = 1.5. The slope of the equilibrium line is 3. Which of ... A) Liquid side (B) Gas side (C) Interfacial (D) Both liquid and gas side

Last Answer : (B) Gas side

In a vapor-liquid contacting equipment, the overall gas phase mass transfer co-efficient (M.T.C), KG is related to individual co-efficients (KG and KL ) as (A) KG = 1/KG + m/KL (B) 1/KG = 1/KG + m/KL (C) 1/KG = 1/KL + m/KG (D) KG = 1/KL + m/KG

Description : In a vapor-liquid contacting equipment, the overall gas phase mass transfer co-efficient (M.T.C), KG is related to individual co-efficients (KG and KL ) as (A) KG = 1/KG + m/KL (B) 1/KG = 1/KG + m/KL (C) 1/KG = 1/KL + m/KG (D) KG = 1/KL + m/KG

Last Answer : (B) 1/KG = 1/KG + m/KL

The advantage of backward feed multiple effect evaporators over forward feed units is that (A) Heat sensitive material can be handled (B) There is no additional cost of pumping (C) Most concentrated liquid is at highest temperature (D) Equal heat transfer co-efficients exist in various effects

Description : The advantage of backward feed multiple effect evaporators over forward feed units is that (A) Heat sensitive material can be handled (B) There is no additional cost of pumping ... liquid is at highest temperature (D) Equal heat transfer co-efficients exist in various effects

Last Answer : (C) Most concentrated liquid is at highest temperature

For condensation of pure vapors, if the heat transfer co-efficients in filmwise and drop-wise condensation are respectively hf and hd , then (A) hf = hd (B) hf > hd (C) hf < hd (D) hf could be greater or smaller than hd

Description :  For condensation of pure vapors, if the heat transfer co-efficients in filmwise and drop-wise condensation are respectively hf and hd , then (A) hf = hd (B) hf > hd (C) hf < hd (D) hf could be greater or smaller than hd

Last Answer : (C) hf < hd

In an interphase heat transfer process, the equilibrium state corresponds to equality of temperature in the two phases, while the condition for equilibrium in an interphase mass transfer process is equality of (A) Concentrations (B) Chemical potentials (C) Activity co-efficients (D) Mass transfer co-efficients

Description : In an interphase heat transfer process, the equilibrium state corresponds to equality of temperature in the two phases, while the condition for equilibrium in an interphase mass transfer process is ... B) Chemical potentials (C) Activity co-efficients (D) Mass transfer co-efficients

Last Answer : (A) Concentrations

A first order gaseous phase reaction is catalysed by a non-porous solid. The kinetic rate constant and the external mass transfer co-efficients are k and kg respectively. The effective rate constant (ke ff) is given by (A) ke ff = k + kg (B) ke ff = (k+ kg )/2 (C) ke ff = (kkg ) 1/2 (D) 1/ke ff = 1/k + 1/kg

Description : A first order gaseous phase reaction is catalysed by a non-porous solid. The kinetic rate constant and the external mass transfer co-efficients are k and kg respectively. The effective rate constant (ke ff) is given by (A) ke ff = k + kg ( ... + kg )/2 (C) ke ff = (kkg ) 1/2 (D) 1/ke ff = 1/k + 1/kg

Last Answer : (D) 1/ke ff = 1/k + 1/kg

Van Laar equation deals with the activity co-efficients in (A) Binary solutions (B) Ternary solutions (C) Azeotropic mixture only (D) None of these

Description : Van Laar equation deals with the activity co-efficients in (A) Binary solutions (B) Ternary solutions (C) Azeotropic mixture only (D) None of these

Last Answer : (A) Binary solutions

Which of the following is true for Virial equation of state? (A) Virial co-efficients are universal constants (B) Virial co-efficients 'B' represents three body interactions (C) Virial co-efficients are function of temperature only (D) For some gases, Virial equations and ideal gas equations are the same

Description : Which of the following is true for Virial equation of state? (A) Virial co-efficients are universal constants (B) Virial co-efficients 'B' represents three body interactions (C) Virial co-efficients ... of temperature only (D) For some gases, Virial equations and ideal gas equations are the same

Last Answer : (C) Virial co-efficients are function of temperature only

Suggest an alternative for requirement traceability matrix A. Test Coverage matrix B. Average defect aging C. Test Effectiveness D. Error discovery rate

Description : Suggest an alternative for requirement traceability matrix A. Test Coverage matrix B. Average defect aging C. Test Effectiveness D. Error discovery rate

Last Answer : A. Test Coverage matrix

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 

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

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.

The effect of error damping is to?

Description : The effect of error damping is to?

Last Answer : The effect of error damping is to reduce 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.

Effectiveness factor of a catalyst pellet is a measure of the __________ resistance. (A) Pore diffusion (B) Gas film (C) Chemical reaction (D) None of these

Description : Effectiveness factor of a catalyst pellet is a measure of the __________ resistance. (A) Pore diffusion (B) Gas film (C) Chemical reaction (D) None of these

Last Answer : (A) Pore diffusion

A measure A measure of the success of an success of an operation in converting operation in converting inputs to inputs to outputs is outputs is a. Efficiency b. Effectiveness Effectiveness c. Quality d. Profitability

Description : A measure A measure of the success of an success of an operation in converting operation in converting inputs to inputs to outputs is outputs is a. Efficiency b. Effectiveness Effectiveness c. Quality d. Profitability

Last Answer : a. Efficiency

A measure A measure of the success of an success of an operation in producing operation in producing outputs that outputs that satisfy customers satisfy customers is a. Efficiency b. Effectiveness Effectiveness c. Quality d. Profitability

Description : A measure A measure of the success of an success of an operation in producing operation in producing outputs that outputs that satisfy customers satisfy customers is a. Efficiency b. Effectiveness Effectiveness c. Quality d. Profitability

Last Answer : c. Quality

The time lag between the performance of marketing activities and their results A)limits the marketing manager's ability to measure the effectiveness of marketing activities. B)facilitates the ability to measure performance. C)increases the chance of accurate measurement. D)limits the amount of money to be spent on measurement.

Description : The time lag between the performance of marketing activities and their results A)limits the marketing manager's ability to measure the effectiveness of marketing activities. B)facilitates the ability to ... chance of accurate measurement. D)limits the amount of money to be spent on measurement.

Last Answer : A)limits the marketing manager's ability to measure the effectiveness of marketing activities.

............................ models involve the allocation of resources to activities in such a way that some measure of effectiveness is optimised. a. Sequencing b. Allocation c. Queuing theory d. Decision theory

Description : ............................ models involve the allocation of resources to activities in such a way that some measure of effectiveness is optimised. a. Sequencing b. Allocation c. Queuing theory d. Decision theory

Last Answer : b. Allocation

The effectiveness factor for large value of Thiele modulus [L√(K/D1 )] of a solid catalysed first order reaction is equal to (where, L = length of the reactor, cm, D1 = diffusion co-efficient, cm2 /second). (A) L √(K/D1 ) (B) 1/[L√(K/D1 )] (C) 1 (D) ∞

Description : The effectiveness factor for large value of Thiele modulus [L√(K/D1 )] of a solid catalysed first order reaction is equal to (where, L = length of the reactor, cm, D1 = diffusion co-efficient, cm2 /second). (A) L √(K/D1 ) (B) 1/[L√(K/D1 )] (C) 1 (D) ∞

Last Answer : (B) 1/[L√(K/D1 )]

In a system low friction co-efficient facilitates?

Description : In a system low friction co-efficient facilitates?

Last Answer : In a system low friction co-efficient facilitates reduced velocity lag error.

The viscous friction co-efficient, in force-voltage analogy, is analogous to?

Description : The viscous friction co-efficient, in force-voltage analogy, is analogous to?

Last Answer : The viscous friction co-efficient, in force-voltage analogy, is analogous to resistance.

What are static error constants?

Description : What are static error constants?

Last Answer : The Kp Kv and Ka are called static error constants.

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

Explain Static Error and Dynamic Error in measurement systems.

Description : Explain Static Error and Dynamic Error in measurement systems.

Last Answer : Definition of static error and dynamic error  Static error: It is the difference between the true value of a quantity not changing with time and the value indicated by the instrument  Dynamic ... changing with time and the value indicated by the instrument if no static error is assumed.

Define following term: (i) Precision (ii) Drift (iii) Static error (iv) Dead zone

Description : Define following term: (i) Precision (ii) Drift (iii) Static error (iv) Dead zone

Last Answer : (i) Precision: It is the measure of consistency or repeatability of measurements.   OR The closeness with which the individual measurements are departed or distributed about the average of number ... variable to which instrument does not respond. It is mainly due to friction in the instrument.

The simple Pitot tube does not measure the (A) Static pressure (B) Dynamic pressure (C) Velocity at the stagnation point (D) All (A), (B) and (C)

Description : The simple Pitot tube does not measure the (A) Static pressure (B) Dynamic pressure (C) Velocity at the stagnation point (D) All (A), (B) and (C)

Last Answer : (D) All (A), (B) and (C)

The pitot static tube does not measure the __________ pressure. (A) Static (B) Total (C) Difference in static & dynamic (D) All (A), (B) and (C)

Description : The pitot static tube does not measure the __________ pressure. (A) Static (B) Total (C) Difference in static & dynamic (D) All (A), (B) and (C)

Last Answer : (D) All (A), (B) and (C)

An ammeter with an internal resistance of 50 ohm(s) is used to measure a current thorugh a lod resistor Rl = 1 kohm(s). Determine the percentage error of the reading due to ammeter insertion.

Description : An ammeter with an internal resistance of 50 ohm(s) is used to measure a current thorugh a lod resistor Rl = 1 kohm(s). Determine the percentage error of the reading due to ammeter insertion.

Last Answer : 50/(50+1k)*100 = 4.76%

Popular measures of distortion is a. Squared error measure b. Absolute difference c. Noise d. Nats

Description : Popular measures of distortion is a. Squared error measure b. Absolute difference c. Noise d. Nats

Last Answer : a. Squared error measure

I found ou that my license were suspended in error for pearl river co. how can i get my license reinstated?

Description : I found ou that my license were suspended in error for pearl river co. how can i get my license reinstated?

Last Answer : You need to speak with the DMV regarding the matter.

What are the main advantages of generalized error co-efficient?

Description : What are the main advantages of generalized error co-efficient?

Last Answer : i) Steady state is function of time. ii) Steady state can be determined from any type of input

Activity co-efficient is a measure of the (A) Departure from ideal solution behaviour (B) Departure of gas phase from ideal gas law (C) Vapour pressure of liquid (D) None of these

Description : Activity co-efficient is a measure of the (A) Departure from ideal solution behaviour (B) Departure of gas phase from ideal gas law (C) Vapour pressure of liquid (D) None of these

Last Answer : (A) Departure from ideal solution behaviour

The importance of the correlation co-efficient lies in the fact that: (A) There is a linear relationship between the correlated variables. (B) It is one of the most valid measure of statistics. (C) It allows one to determine the degree or strength of the association be tween two variables. (D) It is a non-parametric method of statistical analysis.

Description : The importance of the correlation co-efficient lies in the fact that: (A) There is a linear relationship between the correlated variables. (B) It is one of the most valid measure of statistics. ... of the association be tween two variables. (D) It is a non-parametric method of statistical analysis.

Last Answer : (C) It allows one to determine the degree or strength of the association be tween two variables.

Does the temperature of tap water affect fluoride's effectiveness in protecting teeth?

Description : Does the temperature of tap water affect fluoride's effectiveness in protecting teeth?

Last Answer : https://fluorideresearch.org/484/files/FJ2015_v48_n4_p338-344_sfs.pdf

Do you think COVID will become like the flu with new strains each year and new vaccines that vary in their effectiveness?

Description : Do you think COVID will become like the flu with new strains each year and new vaccines that vary in their effectiveness?

Last Answer : That seems to be the prediction I’ve been reading.

Assuming, for the purpose of this question, the effectiveness of regressive hypnosis, do you think it could lead to suicide (explanation if you click)?

Description : Assuming, for the purpose of this question, the effectiveness of regressive hypnosis, do you think it could lead to suicide (explanation if you click)?

Last Answer : Hypnosis works on the principle that the one under hypnosis is in a suggestive agreeable state of mind, And during hypnosis, the subconscious mind is still alert to any danger so any suggestions that would be detrimental to the safety of the one who has been hypnotized would be ignored or refused.

Should "essential oil" makers not make their oils homeopathic, to really crank up their effectiveness?

Description : Should "essential oil" makers not make their oils homeopathic, to really crank up their effectiveness?

Last Answer : At least essential oils have a use as air freshener and mood lifter. Some may be marginally effective as insect repellent. I'm guessing to be a true bullshit homeopathic dilution it has to ... auras. *Only true for unrefined, organic snake oil from snakes that have been fed undomesticated mice.

Do you believe alternative medicines or homeopathic remedies have any effectiveness whatsoever?

Description : Do you believe alternative medicines or homeopathic remedies have any effectiveness whatsoever?

Last Answer : answer:Some of it works, some of it is shear quackery. Crystals and aroma therapy fall into the last category and for good reason. Some herbal remedies and simple diagnostic techniques which were ... -for whatever reason-and does the patient no harm, is more accepted and open for investigation.

If you've tried probiotics, what was your experience regarding availability, cost and effectiveness?

Description : If you've tried probiotics, what was your experience regarding availability, cost and effectiveness?

Last Answer : I had chronic diarrhea about two years ago and the doctor recommended that as a possible remedy. Did nothing. I got them from Costco (doctor’s recommendation since the ones at Costco have some extra stuff in them) and so I returned them to Costco. I probably took them for a month before stopping.

Birth control effectiveness!? help?

Description : Birth control effectiveness!? help?

Last Answer : answer:Is this your first pack of pills? The pill affects your hormone levels and suppresses ovulation. However, hormone levels take a while to adjust. If I'm not mistaken, they say that you should assume ... pharmacist; I'm not sure what the system is like in the US but I believe it's similar.

With the GOP ruling the House if the economy changes little or not at all how can they claim any effectiveness?

Description : With the GOP ruling the House if the economy changes little or not at all how can they claim any effectiveness?

Last Answer : Like always, they will blame it on the Democrats!

Donor aid statistics? Comparative effectiveness of large vs small orgs?

Description : Donor aid statistics? Comparative effectiveness of large vs small orgs?

Last Answer : answer:There are several web sites that grade charities. I don't know if they will give you what you are looking for but here are a few. They all seem to have their own criteria for the ... /www.charitywatch.org/index.html http://www.bbb.org/charity-reviews/national/ http://www.charitynavigator.org/