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.Which is not the function of data loggers?
Your Answer:Correct
Your Answer:Incorrect
Question 2 of 30
Q-2.Consider the following statements.A dc potentiometer is the best means available for the measurement of dc voltage because
The precision in measurement is independent of the type of detector used It is based on null balance technique It is possible to standardize before a measurement is undertaken It is possible to measure dc voltages ranging in value from mV to hundreds of volts Of these statements,
Your Answer:Correct
Your Answer:Incorrect
Question 3 of 30
Q-3.Phase-angle error in a CT is due to
Your Answer:Correct
Your Answer:Incorrect
Question 4 of 30
Q-4.Power consumption of an LED display is
Your Answer:Correct
Your Answer:Incorrect
Question 5 of 30
Your Answer:Correct
Your Answer:Incorrect
Question 6 of 30
Q-6.In thermal system if M is mass liquid stored, Q is the liquid inflow rate and s is the specific heat, the thermal resistance is given by:
Your Answer:Correct
Your Answer:Incorrect
Question 7 of 30
Q-7.A voltage of 200 V at 5 Hz is applied to an electrodynamometer type of instrument which is spring controlled. The indication on the instruments is
Your Answer:Correct
Your Answer:Incorrect
Question 8 of 30
Q-8.if the confidence level is 0.95, then the value lying outside the confidence interval are:
Your Answer:Correct
Your Answer:Incorrect
Question 9 of 30
Q-9.A circuit of 2 µ A is passed through the moving coil of an undamped d’Arsonval galvanometer which has a displacement constant of 2 Nm/A and a control constant of 10 ×10-6 Nm/rad. The moving oscillates with an amplitude of :
Your Answer:Correct
Your Answer:Incorrect
Question 10 of 30
Q-10.Fluid friction damping can be used in
Your Answer:Correct
Your Answer:Incorrect
Question 11 of 30
Q-11.Electronic voltmeters which use rectifiers employ negative feedback. This is done
Your Answer:Correct
Your Answer:Incorrect
Question 12 of 30
Q-12.The Q factor of a coil at the resonant frequency 1.5MHz of an RLC series circuit is 150. The bandwidth is :
Your Answer:Correct
Your Answer:Incorrect
Question 13 of 30
Q-13.The width of active region of LASER diode is comparatively
Your Answer:Correct
Your Answer:Incorrect
Question 14 of 30
Q-14.In a synchro-tranmitter, the voltage induced in the three windings of the stator are
Your Answer:Correct
Your Answer:Incorrect
Question 15 of 30
Q-15.In a resistance potentiometer high value of resistance of POT leads to
Your Answer:Correct
Your Answer:Incorrect
Question 16 of 30
Q-16.A photo-diode functions as
Your Answer:Correct
Your Answer:Incorrect
Question 17 of 30
Q-17.In a kelvin’s double bridge two sets of readings are taken when measuring a low resistance, one with the current in one direction and the other with the direction of the current reversed. This is done to :
Your Answer:Correct
Your Answer:Incorrect
Question 18 of 30
Q-18.In a thermocouple pressure gauge, the temperature of heater element is a function of pressure for pressure ranges
Your Answer:Correct
Your Answer:Incorrect
Question 19 of 30
Q-19.if the result of a measurement is expressed as x̅ ± 3σ where x̅ = mean value and σ = standard deviation ,it means that :
Your Answer:Correct
Your Answer:Incorrect
Question 20 of 30
Q-20.When the secondary winding of a potential transformer is suddenly open circuited with primary winding excited :
Your Answer:Correct
Your Answer:Incorrect
Question 21 of 30
Q-21.For the bridge shown in figure above , arm ab consists of resistance in series with an inductance, arms bc and ad consists of pure resistance. in order to achieve balance arm cd should consist of
Your Answer:Correct
Your Answer:Incorrect
Question 22 of 30
Q-22.Which of the following statements is NOT correct?
Your Answer:Correct
Your Answer:Incorrect
Question 23 of 30
Q-23.The effective resistance of a coil at high frequencies is more than its d.c resistance on account of
Your Answer:Correct
Your Answer:Incorrect
Question 24 of 30
Q-24.A hall effect transducer can be used for measurement of
Your Answer:Correct
Your Answer:Incorrect
Question 25 of 30
Q-25.Spring controlled moving iron instruments exhibits a square law response resulting in a non-linear scale. The shape of the scale can be made almost linear by :
Your Answer:Correct
Your Answer:Incorrect
Question 26 of 30
Q-26.For a measurement of temperature
Your Answer:Correct
Your Answer:Incorrect
Question 27 of 30
Q-27.The main advantage of Owen’s bridge for measurement of unknown inductance is that
Your Answer:Correct
Your Answer:Incorrect
Question 28 of 30
Q-28.Identify the wrong statement
Your Answer:Correct
Your Answer:Incorrect
Question 29 of 30
Q-29.Zener sources when used as voltage standards :
Your Answer:Correct
Your Answer:Incorrect
Question 30 of 30
Q-30.The errors involved in photometric measurements are of the order of
Your Answer:Correct
Your Answer:Incorrect