In a system zero initial condition means that?

In a system zero initial condition means that?
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In a system zero initial condition means that The system is at rest and no energy is stored in any of its components.

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Zero initial condition for a system means?

Description : Zero initial condition for a system means?

Last Answer : Zero initial condition for a system means system is at rest and no energy is stored in any of its components.

When the initial conditions of a system are specified to be zero it implies that the system is

Description : When the initial conditions of a system are specified to be zero it implies that the system is?

Last Answer : When the initial conditions of a system are specified to be zero it implies that the system is at rest but stores energy.

The initial response when the output is not equal to input is called?

Description : The initial response when the output is not equal to input is called?

Last Answer : The initial response when the output is not equal to input is called Transient response.

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

The driving point impedance with poles at ω = 0(zero) and ω = ∞ (infinity) must have the

Description : The driving point impedance with poles at ω = 0(zero) and ω = ∞ (infinity) must have the  (a) s term in the denominator and an excess term in the numerator (b) s term in the ... the numerator and denominator (d) s term in the denominator and equal number of terms in the numerator and denominator

Last Answer : The driving point impedance with poles at ω = 0(zero) and ω = ∞ (infinity) must have the s term in the denominator and an excess term in the numerator

If a system after undergoing a series of processes, returns to the initial state then  (a) process is thermodynamically in equilibrium  (b) process is executed in closed system cycle  (c) its entropy will change due to irreversibility  (d) sum of heat and work transfer will be zero  (e) no work will be done by the system.

Description : If a system after undergoing a series of processes, returns to the initial state then  (a) process is thermodynamically in equilibrium  (b) process is executed in closed system cycle  (c) its entropy will ... sum of heat and work transfer will be zero  (e) no work will be done by the system.

Last Answer : Answer : d

<Initial value> is which initializes the value of variable: a. Assignment expression b. Condition value Cc. Increment/decrement d. None of these

Description : is which initializes the value of variable: a. Assignment expression b. Condition value Cc. Increment/decrement d. None of these

Last Answer : a. Assignment expression

Why is the initial velocity zero in the case of a falling object ?

Description : Why is the initial velocity zero in the case of a falling object ?

Last Answer : Because the falling object starts falling from a fixed position. So its forward velocity is taken to be zero.

Can the initial value of a function be zero?

Description : Can the initial value of a function be zero?

Last Answer : Yes. In general, both the input and the output of a function canbe zero.

When a megohmmeter is used to test the insulation of a large motor, the initial dip of the pointer toward 'zero' is caused by ____________. A. good insulation B. the capacitance of the windings C. the leakage of the current along the surface of dirty insulation D. the dielectric-absorption effect of the insulation

Description : When a megohmmeter is used to test the insulation of a large motor, the initial dip of the pointer toward 'zero' is caused by ____________. A. good insulation B. the capacitance of the ... of the current along the surface of dirty insulation D. the dielectric-absorption effect of the insulation

Last Answer : Answer: B

When a megohmmeter is used to test the dielectric strength of wire insulation, the initial dip of the pointer toward 'zero' is caused by _____________. A. good insulation B. the leakage of current along the surface of dirty insulation C. the capacitance of the circuit D. the dielectric absorption effect of the insulation

Description : When a megohmmeter is used to test the dielectric strength of wire insulation, the initial dip of the pointer toward 'zero' is caused by _____________. A. good insulation B. the leakage of ... of dirty insulation C. the capacitance of the circuit D. the dielectric absorption effect of the insulation

Last Answer : Answer: C

In the initial stage of the project the probability of comple(C) Low (D) Any of the aboveting the project is ___ . (A) Zero (B) High

Description : In the initial stage of the project the probability of completing the project is ___ . (A) Zero (B) High (C) Low (D) Any of the above

Last Answer : (C) Low

In the initial stage of the project the probability of completing the project is . (A)Zero (B)High (C)Low (D)Any of the above

Description : In the initial stage of the project the probability of completing the  project is . (A)Zero (B)High (C)Low (D)Any of the above

Last Answer : (C)Low

.In the initial stage of the project the probability of completing the project is ___ . A.Zero B.High C.Low D.Medium

Description : .In the initial stage of the project the probability of completing the project is ___ .   A.Zero  B.High  C.Low  D.Medium

Last Answer : C.Low

For a zero order chemical reaction, the (A) Half life period is directly proportion to the initial concentration of the reactants (B) Plot of products concentration with time is a straight line through the origin (C) Products concentration increases linearly with time (D) All (A), (B) and (C)

Description : For a zero order chemical reaction, the (A) Half life period is directly proportion to the initial concentration of the reactants (B) Plot of products concentration with time is a straight line through the origin (C) Products concentration increases linearly with time (D) All (A), (B) and (C)

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

The knowledge of initial concentration and rate constant is necessary to determine the half life time of a reaction of __________ order. A) Zero (B) First (C) Second (D) None of these

Description : The knowledge of initial concentration and rate constant is necessary to determine the half life time of a reaction of __________ order. A) Zero (B) First (C) Second (D) None of these

Last Answer : (C) Second

If the time required to change the concentration of reactant to half its original value is independent of the initial concentration, the order of reaction is: (A) Zero (B) One (C) Two (D) Three

Description : If the time required to change the concentration of reactant to half its original value is independent of the initial concentration, the order of reaction is: (A) Zero (B) One (C) Two (D) Three

Last Answer : (B) One

For a __________ order chemical reaction as shown in the bellow figure, the half life period is independent of the initial concentration of the reactant A(A) Zero(B) First(C) Second(D) Third.

Description : For a __________ order chemical reaction as shown in the bellow figure, the half life period is independent of the initial concentration of the reactant A. (A) Zero (B) First (C) Second (D) Third

Last Answer : (B) First

For a zero order reaction, the concentration of product increases with the (A) Increase of reaction time (B) Increase in initial concentration (C) Total pressure (D) Decrease in total pressure

Description : For a zero order reaction, the concentration of product increases with the (A) Increase of reaction time (B) Increase in initial concentration (C) Total pressure (D) Decrease in total pressure

Last Answer : (A) Increase of reaction time

. In a zero order reaction, reactants concentration does not change with time and the (A) Time for half change is half the time taken for completion of the reaction (B) Time for half change is independent of the initial concentration (C) Time for completion of the reaction is independent of the initial concentration (D) Reaction rate is trebled when the initial concentration is trebled

Description : . In a zero order reaction, reactants concentration does not change with time and the (A) Time for half change is half the time taken for completion of the reaction (B) Time for ... is independent of the initial concentration (D) Reaction rate is trebled when the initial concentration is trebled

Last Answer : (A) Time for half change is half the time taken for completion of the reaction

Consider the following salient points in a stress-strain curve of a mild steel bar: 1. Yield point 2. Braking point 3. Yield plateau 4 . Proportionality limit 5. Ultimate point The correct sequence in which they occur while testing the mild steel bar in tension from initial zero strain to failure is (a) 4, 1, 2, 3 and 5 (b) 1, 4, 3, 5 and 2 (c) 4, 1, 3, 5 and 2 (d) 1, 4, 2, 3 and 5

Description : Consider the following salient points in a stress-strain curve of a mild steel bar: 1. Yield point 2. Braking point 3. Yield plateau 4 . Proportionality limit 5. Ultimate point The correct sequence in which they occur while testing the mild ... , 5 and 2 (c) 4, 1, 3, 5 and 2 (d) 1, 4, 2, 3 and 5

Last Answer : (c) 4, 1, 3, 5 and 2

Initial gap between two turns of a close coil helical tension spring should be a. 0.5 mm b. based on the maximum deflection c. 1 mm d. zero

Description : Initial gap between two turns of a close coil helical tension spring should be a. 0.5 mm b. based on the maximum deflection c. 1 mm d. zero

Last Answer : d. zero

A unit step voltage is applied at t = 0 to a series RL circuit with zero initial conditions

Description : A unit step voltage is applied at t = 0 to a series RL circuit with zero initial conditions  A) It is possible for the current to be oscillatory B) The voltage across the resistor at t ... The energy stored in the inductor in the steady state is zero D) Theresistor current eventually falls to zero 

Last Answer : A

An inductor at t = 0+ with zero initial conditions acts as

Description : An inductor at t = 0+ with zero initial conditions acts as   (a) short circuit (b) open circuit (c) current source (d) voltage source 

Last Answer : short circuit, because as time goes an indicator gains low resistance to steady voltage

What is the problem space of means-end analysis? a) An initial state and one or more goal states b) One or more initial states and one goal state c) One or more initial states and one or more goal state d) One initial state and one goal state

Description : What is the problem space of means-end analysis? a) An initial state and one or more goal states b) One or more initial states and one goal state c) One or more initial states and one or more goal state d) One initial state and one goal state

Last Answer : a) An initial state and one or more goal states

In an operating system, indivisibility of operation means : (A) Operation is interruptable (B) Race - condition may occur (C) Processor can not be pre-empted (D) All of the above

Description : In an operating system, indivisibility of operation means : (A) Operation is interruptable (B) Race - condition may occur (C) Processor can not be pre-empted (D) All of the above 

Last Answer : (C) Processor can not be pre-empted 

Draw the labeled block diagram of process control system and explain each block.

Description : Draw the labeled block diagram of process control system and explain each block.

Last Answer : Explanation - Process control system consists of process or plant, sensor, error detector, automatic Controller, actuator or control element. 1) Process or plant- process means some manufacturing sequence ... process which changes the process variable. Output of this block is denoted by u .

Explain the significance of the Laplace transform in control system.

Description : Explain the significance of the Laplace transform in control system.

Last Answer : Significance of Laplace Transform- * Laplace transform convert higher order integral differential equation into simple algebraic form. * Laplace transform converts the differential equation into an algebraic ... equations. * Laplace transform convert time domain to frequency domain (s-plane). 

Define servo system. Draw the block diagram of DC Servo System.

Description : Define servo system. Draw the block diagram of DC Servo System.

Last Answer : Definition: Servo system is defined as automatic feedback control system working on error signals giving the output as mechanical position, velocity or acceleration.  1) The servo system consists of error ... , DC motor, DC gear system and the DC load whose position is to be changed. 

Define stability. Sketch the root locations in the s-plane for stable and unstable system.

Description : Define stability. Sketch the root locations in the s-plane for stable and unstable system.

Last Answer : Stability: The system is said to be stable if it produces bounded output for a bounded input. It is used to define usefulness of the system. The stability implies that the system performance should not ... absence of the input, output may not return to zero it shows certain output without input. 

What will happen to the gain margin if the gain of the open loop system is doubled?

Description : What will happen to the gain margin if the gain of the open loop system is doubled? A) Doubled B) Becomes half C) Is not affected D) Becomes one-fourth 

Last Answer : What will happen to the gain margin if the gain of the open loop system is doubled? A) Doubled B) Becomes half C) Is not affected D) Becomes one-fourth 

What is the time response of a system whose poles lie on the right hand side of s-plane?

Description : What is the time response of a system whose poles lie on the right hand side of s-plane? A) Exponentially increasing B) Exponentially decreasing C) Sinusoidal oscillations D) Step response 

Last Answer : What is the time response of a system whose poles lie on the right hand side of s-plane? A) Exponentially increasing B) Exponentially decreasing C) Sinusoidal oscillations D) Step response 

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

A system is critically damped. If the gain of the system is increased, the system will behave as:

Description : A system is critically damped. If the gain of the system is increased, the system will behave as: A) overdamped B) underdamped C) oscillatory D) critically damped

Last Answer : A system is critically damped. If the gain of the system is increased, the system will behave as: underdamped

The open loop control system is one in which _____.

Description : The open loop control system is one in which _____.

Last Answer : the output is independent of output

A PD controller is used to compensate a system. Compared to the uncompensated system, the compensated

Description : A PD controller is used to compensate a system. Compared to the uncompensated system, the compensated system has: (1) A higher type number. (2) Reduced damping. (3) Higher noise amplification. (4) Larger transient overshoot. 

Last Answer : A PD controller is used to compensate a system. Compared to the uncompensated system, the compensated system has: Higher noise amplification.

Which one most appropriate dynamic system? (1) y(n) + y(n – 1) + y(n + 1) (2) y(n) + y(n – 1)

Description : Which one most appropriate dynamic system? (1) y(n) + y(n – 1) + y(n + 1) (2) y(n) + y(n – 1) (3) y(n) = x(n) (4) y(n) + y(n – 1) + y(n + 3) = 0 

Last Answer : Which one most appropriate dynamic system? (1) y(n) + y(n – 1) + y(n + 1) (2) y(n) + y(n – 1) (3) y(n) = x(n) (4) y(n) + y(n – 1) + y(n + 3) = 0 

In a control system, the comparator measures the difference between

Description : In a control system, the comparator measures the difference between (a) output and input (b) output of controller and system (c) actual and desired performance (d) input and error signal  

Last Answer : B

For a stable feedback control system, the phase margin is

Description : For a stable feedback control system, the phase margin is  a) always positive b) always negative c) may be positive or negative d) always greater than 180o

Last Answer : For a stable feedback control system, the phase margin is always positive

Introduction of integral action in the forward path of a unity feedback system results in a

Description : Introduction of integral action in the forward path of a unity feedback system results in a  A) Marginally stable system B) System with no steady state error C) System with increased stability margin D) System With better speed of response

Last Answer : Introduction of integral action in the forward path of a unity feedback system results in a System with no steady state error 

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 

The correct sequence of steps required to improve system stability is

Description : The correct sequence of steps required to improve system stability is  (A) Insert derivative action, use negative feedback, reduce gain (B) Reduce gain, use negative feedback, insert ... derivative action, use negative feedback (D) Use negative feedback, reduce gain, insert derivative action

Last Answer : The correct sequence of steps required to improve system stability is  (A) Insert derivative action, use negative feedback, reduce gain (B) Reduce gain, use negative feedback, insert ... derivative action, use negative feedback (D) Use negative feedback, reduce gain, insert derivative action

For a 2nd order feedback control system, the peak resonance magnitude should be Mp ≤ 1.15. Hence the

Description : For a 2nd order feedback control system, the peak resonance magnitude should be Mp ≤ 1.15. Hence the damping ratio (δ) is  (a) 0.1 (d) 0.5 (c) 0.707 (d) 1

Last Answer : For a 2nd order feedback control system, the peak resonance magnitude should be Mp ≤ 1.15. Hence the damping ratio (δ) is 0.5

The characteristic equation for a closed loop system with forward gain K is s4 + 4s3 + 8s2 + 6s + K = 0.

Description : The characteristic equation for a closed loop system with forward gain K is s4 + 4s3 + 8s2 + 6s + K = 0. The critical gain value Kc for stability should not exceed  (a) 3.25 (b) 9.75 (c) 13.0 (d) 23.3

Last Answer : The characteristic equation for a closed loop system with forward gain K is s4 + 4s3 + 8s2 + 6s + K = 0. The critical gain value Kc for stability should not exceed  (a) 3.25 (b) 9.75 (c) 13.0 (d) 23.3

The loop transfer of a system is G(s) H(s) = 5/(s+1) (2s+1)(3s+1) which has the phase crossover frequency

Description : The loop transfer of a system is G(s) H(s) = 5/(s+1) (2s+1)(3s+1) which has the phase crossover frequency fc = 0.16 Hz. The gain margin (dB) of the system is  (a) 6 (b) 4 (c) 2 (d) 0

Last Answer : The loop transfer of a system is G(s) H(s) = 5/(s+1) (2s+1)(3s+1) which has the phase crossover frequency fc = 0.16 Hz. The gain margin (dB) of the system is 6

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

For a system with derivative feedback, forward path transfer is G(s) = I / (s2 + s + 1) and feedback path

Description : For a system with derivative feedback, forward path transfer is G(s) = I / (s2 + s + 1) and feedback path transfer is H(s) = Ks. What is the value of K to obtain a critically-damped closed loop transient response.  (a) 0.5 (b) 0.707 (c) 1 (d) 1.414

Last Answer : For a system with derivative feedback, forward path transfer is G(s) = I / (s2 + s + 1) and feedback path transfer is H(s) = Ks. What is the value of K to obtain a critically-damped closed loop transient response.  (a) 0.5 (b) 0.707 (c) 1 (d) 1.414

The critical point lies within the nyquist plot then the system is

Description : The critical point lies within the nyquist plot then the system is   (a) Marginally stable (b) Unstable (c) Stable (d) Undetermined  

Last Answer : The critical point lies within the nyquist plot then the system is Unstable 

The gain margin of a system is 0 dB. It represents a

Description : The gain margin of a system is 0 dB. It represents a   (a) Stable system (b) Unstable system (c) Marginally stable system (d) Conditionally stable system

Last Answer : The gain margin of a system is 0 dB. It represents a Marginally stable system