FREE Bachelor of Electrical Engineering Measurement and Instrumentation Questions and Answers

Question 1

Which of the above measuring techniques does a bridge circuit use?

Accepted Answer

comparison

Answer

differential

Answer

absolute

Answer

relative

Question 2

Which of the following approaches is most frequently used to gauge low resistance?

Accepted Answer

kelvin double bridge method

Answer

potentiometer method

Answer

ducter ohmmeter method

Answer

ammeter-voltmeter method

Question 3

Which of the above techniques is used to test medium resistance?

Accepted Answer

Carey-Foster bridge method

Answer

Anderson Bridge

Answer

Direct-Deflection method

Answer

Kelvin’s double bridge method

Question 4

The most sensitive detector for a single frequency value is which one of the following?

Accepted Answer

tuned detector

Answer

headphone

Answer

oscillator

Answer

vibration galvanometer

Question 5

Which of the following describes an equilibrium for a bridge?

Accepted Answer

When no current flows

Answer

When power dissipation is high

Answer

When no voltage drop across the circuit

Answer

When the temperature of the circuit is high

Question 6

The method of ________ yields an unknown capacitance value.

Accepted Answer

comparison with standard

Answer

using a tuned detector

Answer

using a vibration galvanometer

Answer

using capacitance of other ratio arms

Question 7

Which of the following is an equation of balance to calculate resistance?

Accepted Answer

R1 = R2 R3⁄R4

Answer

R1 = R2 ⁄ R4

Answer

R1 = R3 ⁄ R4

Answer

R1 = R2 R3

Question 8

By _________, inductance control is attained.

Accepted Answer

using R2

Answer

using Lx

Answer

using R4

Answer

using R5

Question 9

The following situations call for the usage of a Schering bridge:

Accepted Answer

testing capacitors

Answer

measuring currents

Answer

measuring voltages

Answer

protecting the circuit from temperature rises

Question 10

What relationship does the balance equation have to frequency?

Accepted Answer

independent

Answer

varies by a factor of 2

Answer

depends on the supply magnitude

Answer

depends on the detector used