Description : The response curve for a step input signal from a reactor is called Ccurve. The variance of C-curve in a 'tanks in series model' comprising of 'm' tanks is equal to (A) m (B) 1/m (C) √m (D) m2
Last Answer : (B) 1/m
Description : Signal normally used to study non-ideal flow by stimulus response technique is __________ input. (A) Pulse (B) Step (C) Both (A) & (B) (D) Neither (A) nor (B)
Last Answer : (C) Both (A) & (B)
Description : The voltage at the reference electrode of the circuit shown in the illustration is applied to the input of a/an ______________. EL-0090 A. class A detector whose output drives an ... drives an 2-stage isolation transformer D. magnetic amplifier whose output controls a saturable reactor
Last Answer : Answer: D
Description : Draw and explain the response of first order and second order instruments to the step input.
Last Answer : First order instrument response to step input: The time equation for the step response of a first order instrument is exponential in nature and is given by the equation, c(t) = ... Analysis of such a system is done by calculating different parameters called time response specifications.
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
Description : select the correct response from the choices given in the parentheses. Q-20. In a closed-loop configuration the output signal is determined by (the input signal, the feedback signal, both).
Last Answer : Both the input signal and the feedback signal.
Description : On oscilloscope screen for dynamic measurement, lissajous diagram is normally used to determine the __________ of the input signal. (A) Frequency (B) Amplitude (C) Damping (D) None of these
Last Answer : (A) Frequency
Description : For a packed bed reactor; the presence of a long tail in the residence time distribution curve is an indication of: (A) Ideal plug flow (B) Bypass (C) Dead zone (D) Channelling
Last Answer : (C) Dead zone
Description : The 'E' curve for a non-ideal reactor defines the fraction of fluid having age between t and t + dt (A) At the inlet (B) At the outlet (C) In the reactor (D) Averaged over the inlet and outlet
Last Answer : (B) At the outlet
Description : Pick out the correct statement. (A) A lower temperature favours the reaction of lower activation energy (B) The dispersion number for a reactor/vessel is uL/D (C) The rate controlling step in ... step (D) Pore volume and porosity of a catalyst is measured by BrunauerEmmett-Teller (BET) technique
Last Answer : (A) A lower temperature favours the reaction of lower activation energy
Description : For an ideal mixed flow reactor (CSTR), the exit age distribution E(t) is given by (A) A Dirac delta function (B) A step function (C) A ramp function (D) None of the above
Last Answer : (D) None of the above
Description : Which of the following statement(s) is/are correct concerning the cardiovascular response to shock? a. Changes in cardiac contractile function shift the Frank Starling curve up and down b. ... d. The total circulating blood volume is equally split between the arterial and venous system
Last Answer : Answer: a Central in the general cardiovascular response to shock is the action of the heart itself. The principle determinants of cardiac function in the normal heart are the volume of blood ... Blood flow to the skin is sacrificed early, followed by that to the kidneys and splanchnic viscera
Description : A drug ‘R’ producing no response by itself causes the log dose-response curve of another drug ‘S’ to shift to the right in a parallel manner without decreasing the maximal response: Drug ‘R’ is a: A. Partial agonist B. Inverse agonist C. Competitive antagonist D. Noncompetitive antagonist
Last Answer : C. Competitive antagonist
Description : In the illustration, the signal from the device connected to terminals 18 and 19 is __________. EL-0046 A. prime mover speed feedback B. loss of control alarm when comparing with the input signal ... slip between the prime mover and the alternator D. to shut down the prime mover if overspeeding
Last Answer : Answer: A
Description : Fourier transform is a mathematical procedure to obtain the __________ of a given input signal. (A) spectrum (B) integration (C) difference (D) none of the above
Last Answer : (A) spectrum
Description : The transfer function of a system is 10/(1+s) when operating as a unity feedback system, the steady state error to a step input will be a) 0 b) 1/11 c) 10 d) Infinity
Last Answer : Ans: 1/11
Description : The transfer function of a process is 1/(16s 2 + 8s + 4). If a step change isintroduced into the system, then the response will be (A) Under damped (B) Critically damped (C) Over damped (D) None of these
Last Answer : (A) Under damped
Description : What is the purpose of each of the 'signal conditioners' (6000F085 / AH170 / F125) shown in the illustration? EL-0094 A. Convert the varying signal from its particular sensor and deliver a ... the 'setpoint module' in order to keep the pressure or temperature at its sensor at set limits.
Description : Indicate the false statement. Noise figure is defined as A. the ratio of the S/N power supplied at the input terminal of a receiver or amplifier to the S/N power supplied to the output or ... under test, both working at the same temperature over the same bandwidth and fed from the same source
Last Answer : C. an unwanted form of energy tending to interfere with the proper and easy reception and reproduction of wanted signals
Description : The mechanism which changes the value of manipulated variable in response to the output signal from the control unit is called the (A) Final control element (B) On-off control (C) Floating control action (D) None of these
Last Answer : Option A
Description : What is Spectral response curve of an image?
Last Answer : What is the answer ?
Description : A man has an Escherichia coli bacteremia with a low-grade fever (101.6°F). Appropriate management of his fever would be (a) Give acetaminophen 650 mg orally every 4 hours (b) Give aspirin 650 ... fever curve to monitor his response to antibiotic therapy (e) Use tepid water baths to reduce the fever
Last Answer : Ans: D
Description : Receiver bandwidth is defined as those frequencies spread between what two points of the receiver response curve?
Last Answer : Half-power points.
Description : Where should the transmitter spectrum be located with respect to the receiver response curve?
Last Answer : In the center.
Description : A patient has developed a sever chest pain and difficulties in breathing while in the dental chair. Your initial response is: a. Administer glycerine trinitrate and monitor patient in upright ... required until confirmed as MI by ECG d. Patient has myocardial infarction as confirmed by ECG
Last Answer : a. Administer glycerine trinitrate and monitor patient in upright position.
Description : A patient has developed a sever chest pain and difficulties in breathing while in the dental chair. Your initial response is: A. Administer glycerine trinitrate and monitor patient in upright ... required until confirmed as MI by ECG D. Patient has myocardial infarction as confirmed by ECG
Last Answer : A. Administer glycerine trinitrate and monitor patient in upright position
Description : The most important reason for the thiazides being only moderately efficacious diuretics is: A. About 9/10th of glomerular filtrate is reabsorbed proximal to their site of action B. Compensatory ... these drugs C. They decrease glomerular filtration D. They have relatively flat dose response curve
Last Answer : A. About 9/10th of glomerular filtrate is reabsorbed proximal to their site of action
Description : Benzodiazepines differ from barbiturates in the following aspects except: A. They have a steeper dose response curve B. They have higher therapeutic index C. They have lower abuse liability D. They do not induce microsomal drug metabolizing enzymes
Last Answer : A. They have a steeper dose response curve
Description : The following is not a feature of competitive antagonists: A. Chemical resemblance with the agonist B. Parallel rightward shift of the agonist log doseresponse curve C. Suppression of maximal agonist response D. Apparent reduction in agonist affinity for the receptor
Last Answer : C. Suppression of maximal agonist response
Description : A drug which does not produce any action by itself but decreases the slope of the log dose-response curve and suppresses the maximal response to another drug is a: A. Physiological antagonist B. Competitive antagonist C. Noncompetitive antagonist D. Partial agonist
Last Answer : C. Noncompetitive antagonist
Description : The following statement is not true of potency' of a drug: A. Refers to the dose of the drug needed to produce a certain degree of response B. Can be related to that of its congeners by ... consideration in the choice of a drug D. It reflects the capacity of the drug to produce a drastic response
Last Answer : D. It reflects the capacity of the drug to produce a drastic response
Description : The following statement is not true of log dose-response curve: A. It is almost linear except at the ends B. It is a rectangular hyperbola C. It facilitates comparison of different agonists D. It can help in discriminating between competitive and noncompetitive antagonists
Last Answer : B. It is a rectangular hyperbola
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 : State the step by step procedure for determination of OMC and MDD using standard proctor test and explain compaction curve.
Last Answer : Procedure: 1. Take about 5 Kg. of de-aired soil passing through sieve 20mm in tray. 2. Add about 4% water (approximately 120ml) to the soil and mixed thoroughly with trowel and cover it ... decreases. Since there is formation of double layer of water around soil particles in the same volume.
Description : This operates algorithmically or using a mixture of algorithmic and human input to collect, index, store and retrieve information on the web (e.g. web pages, images, information and other types of files). It makes the ... is referred to as: 1. Banner ads 2. Pop-up ads 3. A search engine 4. Apps
Last Answer : A search engine
Description : In a properly designed servo system that has an oscillating input (order), what should be the response of the load?
Last Answer : It should oscillate.
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 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.
Description : Higher PPC curve indicates (a) More production of both the things with increase in technology or factor inputs supply; (b) More production of one at the expense of other; (c) More production of ... of other with increase in technology or factor input supply ; (d) Less than full employment situation
Last Answer : (a) More production of both the things with increase in technology or factor inputs supply;
Description : In the illustrated circuit, one advantage of the capacitor coupling over direct coupling is ____________. EL-0048 A. as the frequency decreased the capacitive reactance (Xc) increases B. the amplifier becomes ... of the signal while it isolates the biasing of each stage. D. good frequency response.
Last Answer : Answer: C
Description : In indication signal for a handshake form the DCE to the DTE in response to an active condition for the request to send a signal. A. Data transmission B. Clear to send C. Receive data D. Data set ready
Last Answer : B. Clear to send
Description : While measuring frequency response, as the signal generator approaches the lowest and highest frequency the recorder can effectively record, the VTVM reading drops to less than - 3 dB. What does this indicate?
Last Answer : The upper and lower limits of the frequency response specification for that tape recorder.
Description : The DME in an aircraft, cruising at FL210, fails to achieve a lock on a DME at MSL at a range of 210nm. The reason for this is: a. The beacon is saturated b. The aircraft is beyond ... is beyond line of sight range d. The aircraft signal is too weak at the range to trigger a response
Last Answer : c. The aircraft is beyond line of sight range
Description : Condensation polymerisation of caprolactam is carried out in the reactor maintained at a temperature of __________ °C for producing nylon- 6. (A) -20 to 25 (B) 50 to 75 (C) 100 to 150 (D) 250-280
Last Answer : (D) 250-280
Description : 90% of the caprolactam is converted to nylon-6 on its condensation polymerisation in the reactor maintained at a temperature of __________ °C. (A) -5 (B) 10-30 (C) 250-280 (D) 500-600
Last Answer : (C) 250-280