With each visit of this Electrical and Electronics Measurements and Instrumentation online Quiz / Practice Test, the list of MCQs / Objective Questions presented will be different, offering you a diverse set of practice opportunities. This variability encourages you to practice extensively, refining the accuracy of your answers and your overall grasp of the content. By utilizing this resource, you can hone your skills and become more adept at managing time constraints during actual exams.
Test Instructions Question type Randomized MCQs.Changes every time you visit the test Total Number of Questions 30 Time Limit 20 Minutes Points 1 Point for each Question
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Question 1 of 30
Q-1.In a measurement system ‘force’ is an across variable. Its associated power based through variable is:
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Question 2 of 30
Q-2.Period measurement is done in frequency meters for achieving high accuracy in the case of
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Question 3 of 30
Q-3.An electrostatic voltmeter draws a small value of current on d.c
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Question 4 of 30
Q-4.Errors in instrument transformers can be aggravated by
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Question 5 of 30
Q-5.A capacitive transducer working on the principle of change of capacitance with change of displacement, exhibits non-linear characteristics. The response of these transducers can be made linear by using
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Question 6 of 30
Q-6.The desirable properties of a laser bean are :
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Question 7 of 30
Q-7.Quartz and Rochelle salt belongs to
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Question 8 of 30
Q-8.In order that first order instrument should indicate an output which is within ±10% of the true value of the output when suspended to a sinusoidal input the product 𝛚Ϯ, where 𝛚 = angular frequency of input and Ϯ time constant of instrument should be :
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Question 9 of 30
Q-9.A random noise generator produces a signal
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Question 10 of 30
Q-10.A Nixie tube requires
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Question 11 of 30
Q-11.Three wattmeters are used to measure power in a 3-phase balanced star connected load.
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Question 12 of 30
Q-12.The resolution of 8 bit shift encoder is
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Question 13 of 30
Q-13.The desirable static characteristics of a measurement are
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Question 14 of 30
Q-14.A typical telemetry carrier frequency 230 MHz may be used with a bandwidth of ±320kHz using A.M. a data with a bandwidth of 4 kHz has to be transmitted. Subcarrier having a frequency 32 kHz and 44 kHz are modulated. The frequency bands utilized are
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Question 15 of 30
Q-15.A first order system is subjected to a step input. its time constant can be defined as :
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Question 16 of 30
Q-16.A pressure applied to a bellows element produces a linear displacement of 2 mm. supposes the number of bellows elements is made 3 times and the thickness of bellows element is halved, what would be the displacement of the element for the same applied pressure?
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Question 17 of 30
Q-17.When using a.c signal conditioning system for capacitive transducers , the carrier frequencies,
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Question 18 of 30
Q-18.The F.M telemetry as compared with A.M telemetry requires a channel that is
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Question 19 of 30
Q-19.The units of luminous intensity are
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Question 20 of 30
Q-20.The smallest change in a measured variable to which an instrument will respond is
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Question 21 of 30
Q-21.Law of intermediate metals in thermocouples allow them to :
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Question 22 of 30
Q-22.Low resistance are provided with four terminals
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Question 23 of 30
Q-23.Three types of temperature transducers are compared as regard their sensitivity. The order in which they exhibits their sensitivities (highest to lowest ) is
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Question 24 of 30
Q-24.Excitation and amplification systems are needed for :
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Question 25 of 30
Q-25.The advantages of instrument transformers are
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Question 26 of 30
Q-26.A slide wire potentiometer has 10 wires of 1 m each. With the help of a standard voltage source of 1.018 volt it is standardise by keeping the jockey at 101.8 cm. If the resistance of the potentiometer wire is 1000 Ω then the value of the working current is
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Question 27 of 30
Q-27.A Voltage of 200 V at 5 Hz is applied to an electrodynamometer type of instrument which is spring controlled. The indication on the instrument is
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Question 28 of 30
Q-28.The transfer function of a system is defined as :
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Question 29 of 30
Q-29.A short-circuiting link is provided on the secondary side of a CT to
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Question 30 of 30
Q-30.An operational amplifier has an open loop gain of 200000Ω.its output exhibits saturation at 10 V. the threshold differential voltage of the amplifier is:
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