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1) The quarter-amplitude decay ratio is basically a design criteria specified by Zeigler-Nichols method implies that the amplitude of an oscillation must be reduced by a factor of ________ a. Four over a whole period b. Four over an half period c. Four over a quarter period d. Four over a quarter and a half period
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2) Which phenomenon occurs due to coincidence of two output signals generated manually as well as by control algorithm at the time of switching in manual mode? a. Bumped Data Transfer b. Bumpless Transfer c. Coincidence Data Transfer d. None of the above
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3) What are the possible phases for linearizing the circuits at the input signal conditioning stage of data logger? a. At the analog phase before conversion b. At the conversion phase c. After the digital phase after the conversion d. All of the above
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4) Which device/s is/are utilized for the printing purpose of the output generated by the data loggers? a. Typewriter b. Strip Printer c. Magnetic Tape d. All of the above
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5) What does the sequential operation of setting the linearization factor at the programming level of data loggers convey? a. Adjusted Output from signal amplifier is directly proportional to the measured quantity b. Adjusted Output from signal amplifier is inversely proportional to the measured quantity c. Adjusted Input from signal amplifier is directly proportional to the measured quantity d. Adjusted Input from signal amplifier is inversely proportional to the measured quantity
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6) Which module of PC based alarm annunciator system generates the log file so as to maintain the status of text-based information in accordance to the written records of master database? a. Input Module b. Output Module c. Control Module d. Server Module
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7) Which library call status support the implementation of control module especially for controlling all other associated modules in time-slice fashion? a. Dynamic Linkage Library (DLL) Call b. Timer Call of MFC Library c. Modulo Call of MFC Library d. None of the above
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8) Which circuit configuration basically reduces the probability of interference in an overall PC based alarm annunciator system? a. Interfacing Circuit b. Firewall Circuit c. Router-oriented Circuit d. Panel-based Circuit
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9) Which unit of PIC undergo the process of converting mains ac voltage to low dc voltage required for the circuits and the input-output interfacing modules? a. Memory Unit b. Processing Unit c. Input/Output Unit d. Power Supply Unit
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10) Which bus forms an intermediate communication path between input/output ports and input/output units? a. Control Bus b. Data Bus c. Address Bus d. System Bus
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11) Which kind of switches examine or detect the presence of an item or object without making contact with them? a. Proximity Switches b. Reed Switches c. Photo-electric Switches d. Mechanical Switches
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12) Which machine tools are basically handled and controlled by Computer Numerical Control (CNC) machine especially at the manufacturing sector? a. Lathes b. Routers c. Mills & Grinders d. All of the above
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13) Why is it mandatory to use or connect a level translator circuit after the intermediate stage in a typical operational amplifier? a. For Phase level shifting b. For DC level shifting c. For AC level shifting d. Both AC & DC Level shifting
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14) Which among the following is an incorrect characteristic of an ideal Op-Amp? a. Infinite CMRR & Slew Rate b. Infinite Voltage gain c. Infinite Bandwidth d. Infinite output offset voltage when input voltage is zero
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15) Which of the below stated condition/s is applicable for Non-inverting amplifier?
a. Output Voltage is greater than input voltage b. Output voltage is lesser than input voltage c. Output voltage is in phase with an input signal d. Output voltage is out of phase w.r.t. input by 180° a. A & D b. A & C c. B & D d. B & C
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16) The amplification difference level of a differential amplifier specifically & configurationally resemble to ______. a. Wein Bridge b. Kelvin Bridge c. Wheatstone Bridge d. Maxwell Bridge
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17) Why are the Op-amps with open loop configuration not used in linear applications? a. High risk of distortion b. High risk of clipping of output signal c. Both a & b d. None of the above
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18) Variation in the thermal drift can be observed whenever there is a change in ______. a. Temperature b. Supply Voltages c. Time d. All of the above
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19) The quantity of output offset voltage due to input bias current can be crucially decreased by a. Offset minimizing resistors b. Offset minimizing voltage controller c. Offset minimizing capacitors d. All of the above
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20) Which amplifier has an ability to amplify each input voltage & deliberately can be represented by the different factors at the output under the category of inverting amplifiers? a. Summing Amplifier b. Scaling Amplifier c. Averaging amplifier d. All of the above
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