A circuit is said to be free from phase distortion if its phase response shows: Proportional to frequency
Description : The second harmonic distortion is defined as the A) Ratio of amplitude of second harmonic component in the output to that of the fundamental frequency B) Harmonic distortion due to only second harmonic component C) Sum of distortion of first and second harmonic components in the output
Last Answer : The second harmonic distortion is defined as the Ratio of amplitude of second harmonic component in the output to that of the fundamental frequency
Last Answer : Which type of fading causes serious distortion of modulated signal: Selective fading.
Description : Transformer coupling introduces which type of distortion?
Last Answer : Transformer coupling introduces Cross over distortion.
Description : An amplifier is said to suffer from distortion when its output is - (1) low (2) different from input (3) noisy (4) larger than its input
Last Answer : (3) noisy Explanation: Amplifier Distortion can take on many forms such as Amplitude, Frequency and Phase Distortion due to Clipping. For a signal amplifier to operate correctly without any distortion to the output signal, it requires some form of DC Bias on its Base or Gate terminal.
Description : increases the steady state accuracy. (a) Integrator (b) Differentiator (c) Phase lead compensator (d) Phase lag compensator Ans:A 10.As a result of introduction of negative feedback which of the following will not decrease ? (a) Band width (b) Overall gain (c) Distortion (d) Instability
Last Answer : Ans: A
Description : What distortion is not caused by transmission line characteristics? A. Phase distortion B. Pulse shape distortion C. Spacing bias distortion D. Amplitude distortion
Last Answer : C. Spacing bias distortion
Description : What is the mixing process? A. Distortion caused by auroral propagation B. The combination of two signals to produce sum and difference frequencies. C. The elimination of noise in wideband receiver by phase differentiation D. The elimination of noise in a wideband receiver by phase comparison
Last Answer : B. The combination of two signals to produce sum and difference frequencies.
Description : Which distortion is least objectionable in case of audio amplifers? A) Phase distortion B) Frequency distortion C) Harmonic distortion D) Inter modulation distortion.
Last Answer : A) Phase distortion
Description : The phase correcting circuit is: (1) All–pass filter (2) Low–pass filter (3) High–pass filter (4) Band–pass filter
Last Answer : The phase correcting circuit is: All–pass filter
Description : In a 3-phase converter circuit during commutation when one SCR in one phase is turned on to turn-off an SCR in another phase, results in (A) voltage notching (B) harmonic distortion (C) voltage sag (D) voltage swell
Last Answer : In a 3-phase converter circuit during commutation when one SCR in one phase is turned on to turn-off an SCR in another phase, results in voltage notching
Description : Which of the following applications include a phase-locked loop (PLL) circuit? (1) Modems (2) AM decoders (3) Tracking filters (4) All of these
Last Answer : All of these.
Description : A particular coal is said to be free burning when it (A) Burns completely (B) Gives smokeless burning (C) Shows little or no fusing action (D) None of these
Last Answer : (C) Shows little or no fusing action
Description : A single-phase full-bridge diode rectifier delivers a load current of 10A, which is ripple free. Average and rms values of diode currents are respectively (a) 10A, 7.07A (b) 5A, 10A (c) 5A, 7.07A (d) 7.07A, 5A
Last Answer : A single-phase full-bridge diode rectifier delivers a load current of 10A, which is ripple free. Average and rms values of diode currents are respectively 5A, 7.07A
Description : The response of an LTI/LSI system is given by the _______ of input and impulse response: (1) Convolution (2) Correlation (3) Superposition (4) None
Last Answer : The response of an LTI/LSI system is given by the Convolution of input and impulse response.
Description : The figure shows a human blood cell. Identify it and give its characteristics. Blood cell Characteristics (a) Basophil Secretes serotonin, inflammatory response (b) B-lymphocyte Forms about 20% of ... Most abundant blood cells, phagocytic (d) Monocyte Lifespan of 3 days, produces antibodies
Last Answer : (a) Basophil Secretes serotonin, inflammatory response
Description : A second order system shows 100% overshoot in its unit step response. It can be categorized as (A) underdamped system. (B) overdamped system. (C) Critically damped system. (D) undamped system.
Last Answer : A second order system shows 100% overshoot in its unit step response. It can be categorized as undamped system.
Description : Which of the following statement(s) is/are true concerning tumor necrosis factor (TNF)? a. TNF is a product of activated macrophages secreted in response to contact with endotoxin or ... completed clinical trials of anti-TNF antibody in septic patients shows a marked improvement in survival
Last Answer : Answer: a, b Tumor necrosis factor (TNF), a protein product of activated macrophages, is secreted in response to contact with endotoxin or lipopolysaccharide, antibody complexes, or ... patients utilizing infusion of monoclonal antibodies to the TNF molecule have shown no overall survival benefit
Description : What is the wildest thing you said or did in response to a cat call?
Last Answer : I looked him straight in the eye and said “thank you” while trying to look like a serial killer
Last Answer : A medium is said to be isotropic when Ɛ is a scalar constant.
Description : Which of the following statements is not correct? (a) An action potential in an axon does not move backward because the segment behind is in a refractory phase. (b) Depolarisation of hair cells ... d) In the knee-jerk reflex, stimulus is the stretching of muscle and response is its contraction.
Last Answer : (c) Rods are very sensitive and contribute to daylight vision.
Description : Pick out the correct statement. (A) Stainless steel is nothing but chromium coated steel (B) Hardening of a soft metal can be done by alloying it with another metal or non-metal (C) ... its temporary distortion under the action of applied stress (D) Rusting of iron is not electrochemical in nature
Last Answer : (B) Hardening of a soft metal can be done by alloying it with another metal or non-metal
Description : The taper provided on pattern for its easy & clean withdrawal from the mould is termed as the __________ allowance. (A) Casting (B) Pattern (C) Draft (D) Distortion
Last Answer : C) Draft
Description : Distortion or change in shape of a cast partial denture clasp during its clinical use probably indicates that the: A. Ductility was too low B. Hardness was too great C. Ultimate tensile strength was too low D. Tension temperature was too high E. Elastic limit was exceeded
Last Answer : E. Elastic limit was exceeded
Description : Draw block diagram of distortion factor meter and explain its operation.
Last Answer : Block Diagram Operation This meter consist following four sections 1. Impedance converter along with input circuit 2. Rejection amplifier 3. Metering circuit 4. Power circuit 1. ... of the total input voltage. 4. The power supply unit provides the supply for proper operation
Description : The type of power amplifier that exhibits crossover distortion in its output is : (A) Class A (B) Class B (C) Class AB (D) Class C
Last Answer : The type of power amplifier that exhibits crossover distortion in its output is Class B
Description : In response to a research misconduct allegation what is the next main phase that takes place after the inquiry if there is sufficient evidence to proceed?
Last Answer : Feel Free to Answer
Description : Interleukin-6 is recognized as the cytokine primarily responsible for the alteration in hepatic protein synthesis recognized as the acute phase response. Which of the following statement(s) is/are true ... physiologic role of acute phase proteins are to reduce the systemic effects of tissue damage
Last Answer : Answer: c, d IL-6 is now recognized at the cytokine primarily responsible for the alteration in hepatic synthesis recognized as the acute phase response. Glucocorticoid hormones augment ... that generally inhibit the tissue destruction that is associated with the local initiation of inflammation
Description : What is the difference between phase and frequency modulation? A. Is purely theoretical because they are the same in practice B. Lies in poorer audio response of phase modulation C. Lies in the different definitions of the modulation index D. Is too great to make two systems compatible
Last Answer : C. Lies in the different definitions of the modulation index
Description : Once the project is approved and moves into the planning stage, what happens in the next phase of the project life cycle? Select one: a. Agreements for risk sharing need to be concluded. ... activities. e. A risk response plan can be used to identify increasing levels of detailed risk analysis
Last Answer : d. Risks are identified with each major group of activities.
Description : Complete the following statement. As the project progresses into the execution phase: Select one: a. risks need to be checked off on activities that have been performed. b. the total risk on ... risk breakdown structure needs to be examined to be sure all the risk events have been avoided.
Last Answer : a. risks need to be checked off on activities that have been performed.
Description : Negative phase is observed in A- secondary humoral response B- primary humoral response C- both (a) and (b) D- none of the above
Last Answer : secondary humoral response
Description : How could you check the phase response of a tape recorder?
Last Answer : Record and reproduce a square wave and see if the output on an oscilloscope is symmetrical.
Description : How should a tape recorder with good phase response reproduce a complex waveform, such as a square wave?
Last Answer : With no distortion
Description : What is the condition for the impulse response of FIR filter to satisfy for constant phase delay or linear phase?
Last Answer : For linear phase FIR filter to have constant phase delay θ ω α ω ( ) For satisfying above condition, h(n)=h(N-1-n) i.e., the impulse response must be symmetrical about n=(N-1)/2
Description : What do you understand by linear phase response?
Last Answer : For a linear phase filter θ ω α ω ( ) . The linear phase filter did not alter the shape of the original signal. If the phase response of the filter is non linear the output signal may be ... FIR filter can give linear phase, when the impulse response of the filter is symmetric about its mid point.
Description : What is true of DOTS strategy for treatment of tuberculosis: A. It consists of an initial intensive phase and a later continuation phase B. The dose of antitubercular drugs is reduced ... patient himself is made responsible for administering antitubercular drugs D. All of the above are correct
Last Answer : A. It consists of an initial intensive phase and a later continuation phase
Description : A single-phase induction motor with only the main winding excited would exhibit the following response at synchronous speed (A) Rotor current is zero (B) Rotor current is non-zero and is ... and backward rotating fields are equal (D) Forward rotating field is more than the backward rotating field
Last Answer : A single-phase induction motor with only the main winding excited would exhibit the following response at synchronous speed (A) Rotor current is zero (B) Rotor current is non-zero and is ... backward rotating fields are equal (D) Forward rotating field is more than the backward rotating field
Description : What is the best method for bending aluminum square tubing while keeping a tight radius and minimum distortion?
Last Answer : Buy a pipe bender from a hardware store. Then fill the pipe with water and freeze it, this will stop it form compressing.
Description : Steves reality distortion field?
Last Answer : It's really very strange. When around Steve you seem to just want to say yes to everything even if you feel very strong about your opinion. Many employees have developed something called Stockholm Syndrome ... Fall in love with your capturer but yet people still say he can be the meanest boss.
Description : What is consonant distortion ?
Last Answer : Sometimes a consonant is changed in a word and a new consonant is used. Such a change is called consonant distortion.
Description : How is the ratio of stress and distortion always constant ?
Last Answer : According to Robert Hooke's formula , the stress within the elastic limit is proportional to the deformation. That is , stress ∞ distortion or , stress = distortion constant or , stress / ... Therefore , the ratio of stress to distortion is always constant within the elastic range.
Description : What is the ratio of stress to distortion called ?
Last Answer : The ratio of stress to distortion is called elastic coefficient.
Description : Proportional to the distortion of the stress within the elastic limit. Whose formula is this?
Last Answer : Proportion of stress distortion within the elastic limit. This is Robert Hooke's formula.
Description : What is length distortion ?
Last Answer : When the length of an object changes with the action of an external ball, it is called length distortion. Length distortion is measured by the amount of change in the unit length of an object.
Description : What is wave distortion ?
Last Answer : If two or more waves continue to move in the same direction, their superposition will sometimes increase the intensity too much or sometimes decrease the intensity or become absolutely zero. This phenomenon is called wave distortion.
Description : What is perversion ? What is distortion ?
Last Answer : : A change in the shape of an object by force is called distortion.
Description : What is the cage around the planet formed by the distortion of the magnetic field?
Last Answer : It is the ionosphere.
Description : What is a type of drug that causes distortion of the drivers perception sight and hearing?
Last Answer : Hallucinogen
Description : What is the type of drug that causes distortion of the drivers perception sight hearing and time?