Engineering Trivia

A vibrant illustration depicting various engineering fields including electrical circuits, mechanical gears, and atomic structures, with an educational theme.

Engineering Trivia Challenge

Test your knowledge of engineering concepts and principles with our engaging quiz! Perfect for aspiring engineers, students, and anyone interested in the field of engineering.

Challenge yourself with questions on:

Atomic structure
Electromagnetism
Electrical engineering
Wave properties

12 Questions3 MinutesCreated by EngineeringEagle47

The atomic number of an element is determined by?

The number of neutrons

The number of protons

The number of neutrons plus the number of protons

The number of electrons

The atomic weight of an element is approximately determined by

The number of neutrons

The number of protons

The number of neutrons plus the number of protons

The number of electrons

An ion

Is electrically neutral

Has positive electric charge

Has negative electric charge

Can have either a positive or negative charge

When two inductors having the same value are connected in series with a small opposing mutual inductance (say the coefficient of coupling is 5 percent or so), the total reactance of the combination at a specific, constant frequency is (a) equal to the reactance of either inductor.

Slightly less than the reactance of either inductor

Slightly greater than the reactance of either inductor

Slightly less than twice the reactance of either inductor

Slightly greater than twice the reactance of either inductor

Consider two sine waves having identical frequency. Suppose that one wave leads the other by exactly 1❄ 20 of a cycle. What is the phase difference between the two waves?

20°

18°

12°

9°

A coulomb

Is a large number of charge carriers

Flows through a 100-watt light bulb

Represents a current of 1 ampere

Is equivalent to 1 ampere per second

Suppose you want to use a transformer to obtain exactly 30 V rms ac from an electrical outlet that supplies exactly 120 V rms ac. The primary-to-secondary turns ratio of the transformer should be

Exactly 4:1

Exactly 1:16

Exactly 1:4

Variable

A power amplifier has a gain of 20 dB and an input level of 2 volts. Assuming that the input and output impedances are the same, what is the voltage level at the amplifier output?

10V

20V

30V

40V

A ferromagnetic material

Increases the total magnetomotive force around a current-carrying wire

Concentrates magnetic flux lines within itself

Increases the number of ampere-turns in a wire

Causes an increase in the current in a wire

A stroke of lightning

Is a discharge of static electricity

Is caused by a movement of holes in an insulator

Builds up between clouds

Has a very low current

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