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
Remaining Time: 0 MINUTES
0 of 30 questions completed
Questions:
1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 17 18 19 20 21 22 23 24 25 26 27 28 29 30
Information
You have already completed the test before. Hence you can not start it again.
0 of 30 questions answered correctly
Your time:
Time has elapsed
You have reached 0 of 0 points, (0 )
1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 17 18 19 20 21 22 23 24 25 26 27 28 29 30
Question 1 of 30
Q-1.The electrical zero of a synchro-transformer is
Your Answer:Correct
Your Answer:Incorrect
Question 2 of 30
Q-2.A balloon is fitted with a first order temperature measuring device with time constant of 20 s. it is also fitted with zero order instruments for altitude measurements. It radios back to earth both temperature and altitude signals. The decrease in temperature is 0.02 x°C where x is the altitude in meter. The balloon travels vertically at a speed of 5 m/s. The balloon radios back altitude signal as 3000m. The decrease in temperature radios back to earth is :
Your Answer:Correct
Your Answer:Incorrect
Question 3 of 30
Q-3.In a Blumlein bridge using two capacitive transducers in push pull configuration, the bridge sensitivity factor above the resonance frequency for a tightly coupled bridge is ,
Your Answer:Correct
Your Answer:Incorrect
Question 4 of 30
Q-4.The advantage of Varley loop test over Murray loop test for cable fault localisation is
Your Answer:Correct
Your Answer:Incorrect
Question 5 of 30
Q-5.A piezo-electrical transducer has an output voltage of 3 V at no load conditions. It has a capacitance of 250 pF. It is connected to load capacitance of 125 pF. Find the voltage across the load at high frequencies
Your Answer:Correct
Your Answer:Incorrect
Question 6 of 30
Q-6.There will be serious errors, if power factor of non-sinosoidal waveform is measured by electrodynamometer power factor meters. This is true of :
Your Answer:Correct
Your Answer:Incorrect
Question 7 of 30
Q-7.Braking torque provided by the permanent magnet in an induction-type energy meter can be changed by
Your Answer:Correct
Your Answer:Incorrect
Question 8 of 30
Q-8.A second order system when subjected to a unit step input has a peak overshoot of 10%. The same system when subjected to a sinusoidal input of unit amplitude will have a resonant peak of nearly :
Your Answer:Correct
Your Answer:Incorrect
Question 9 of 30
Q-9.Which of the following photo-electric transducers devices is most suitable for digital applications
Your Answer:Correct
Your Answer:Incorrect
Question 10 of 30
Q-10.A PMMC meter has an internal resistance 500Ω and the current required for its full scale deflection is 100µA.the power consumed by the meter is :
Your Answer:Correct
Your Answer:Incorrect
Question 11 of 30
Q-11.In a static type phase sequence indicator which uses two identical lamp of pure resistances in the circuit of phase R and Y and inductor in phase B having inductive reactance = resistance of bulb with circuit being connected in star. The reactance is equal to the bulb resistance. If bulb connected to phase R glows brightly and lamp connected to phase Y glows dimly, the phase sequence is :
Your Answer:Correct
Your Answer:Incorrect
Question 12 of 30
Q-12.In case of measurement of intensity of test source, a standard source is used. The photometric head used when comparing two lights of different colours , is :
Your Answer:Correct
Your Answer:Incorrect
Question 13 of 30
Q-13.The mean Deviation D in terms of deviation from the mean value of n reading is
Your Answer:Correct
Your Answer:Incorrect
Question 14 of 30
Q-14.Braking torque provided by the permanent magnet in an induction-type energy meter is proportional to
Your Answer:Correct
Your Answer:Incorrect
Question 15 of 30
Q-15.The resolution of 8 bit shift encoder is
Your Answer:Correct
Your Answer:Incorrect
Question 16 of 30
Q-16.In induction-type energy meters, high driving torque can be obtained by
Your Answer:Correct
Your Answer:Incorrect
Question 17 of 30
Q-17.Maxwell’s inductance-capacitance bridge is used for measurement of inductance of :
Your Answer:Correct
Your Answer:Incorrect
Question 18 of 30
Q-18.In the centre of a zero analog ammeter having a range of -10 A to +10 A, there is a detectable change of the pointer from its zero position on either side of the scale only as the current reaches a value of 1 A (on either side). The ammeter has a
Your Answer:Correct
Your Answer:Incorrect
Question 19 of 30
Q-19.Tuned magneto-elastic transducers can be used for generation of
Your Answer:Correct
Your Answer:Incorrect
Question 20 of 30
Q-20.The 0-10V A/D converter has to have a , resolution of 0.025 percent. Find the r.m.s value of quantization error.
Your Answer:Correct
Your Answer:Incorrect
Question 21 of 30
Q-21.The size of a PT as compared to a power transformer of same VA
Your Answer:Correct
Your Answer:Incorrect
Question 22 of 30
Q-22.A hall effect transducer can be used for measurement of
Your Answer:Correct
Your Answer:Incorrect
Question 23 of 30
Q-23.If a signal has a bandwidth of 20 Hz to 20 kHz, what will be the minimum sampling frequency to acquire the signal so that the signal can be reproduced properly?
Your Answer:Correct
Your Answer:Incorrect
Question 24 of 30
Q-24.A toothed type tachogenerator has 60 teeth. A magnetic pick up is used in conjuction with it. The number of pulses generated per second in the magnetic pick up is _______If the speed of the shaft to which the toothed wheel connected is 25 rps.
Your Answer:Correct
Your Answer:Incorrect
Question 25 of 30
Q-25.When a magnetic material is subjected to alternating field, loss of power occurs owing to
Your Answer:Correct
Your Answer:Incorrect
Question 26 of 30
Q-26.In some temperature measurement, the reading is recorded as 25.70°C. The reading has
Your Answer:Correct
Your Answer:Incorrect
Question 27 of 30
Q-27.A set of readings has a wide range and therefore it has:
Your Answer:Correct
Your Answer:Incorrect
Question 28 of 30
Q-28.Phase noises are due to
Your Answer:Correct
Your Answer:Incorrect
Question 29 of 30
Q-29.A dual range Crompton’s potentiometer is provided with a dial resistor having 15 steps of 10 Ω each and a slide wire of 10 Ω resistances. The ranges are X1 and X0.1. The current in the potentiometer measuring circuit 10mA on the X1 scale. The slide wire has 100 divisions and one fifth of a scale division can be read with certainty. What is the current drawn from the battery and the resolution of the instrument on X0.1 scale range?
Your Answer:Correct
Your Answer:Incorrect
Question 30 of 30
Q-30.A dc circuit can be represented by an internal voltage source of 50 V with an output resistance of 100 kW. In order to achieve 99% accuracy for voltage measurement across its terminals, the voltage measuring device should have
Your Answer:Correct
Your Answer:Incorrect