Quiz

quiz

Simple engineering quiz questions with answers. Fastest finger first!

Difficulty - Easy

Total Plays - 6

Allowed Time - 15 sec

Best time - 2.067 sec

In a certain code, CAT is written as DBU. How is DOG written in that code?

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Explanation:
Each letter is shifted forward by one position in the alphabet. D → E, O → P, G → H. So DOG becomes EPH.

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Difficulty - Medium

Total Plays - 2

Allowed Time - 10 sec

Best time - 5.821 sec

Choose the correct meaning of the word "Pragmatic"

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Explanation:
“Pragmatic” refers to dealing with things realistically and sensibly. It focuses on practical results rather than theories or emotions.

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Difficulty - Hard

Total Plays - 1

Allowed Time - 15 sec

Best time - 7.198 sec

A train 120 m long crosses a 180 m platform in 15 seconds. What is its speed?

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Explanation:
Total distance covered = 120 + 180 = 300 m. Speed = Distance ÷ Time = 300 ÷ 15 = 20 m/s.

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Difficulty - Medium

Total Plays - 49

Allowed Time - 10 sec

Best time - 8.264

Which energy trend is scaling the quickest globally?

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Explanation:
Solar and wind installations are growing aggressively because of falling costs and policy pushes.

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Difficulty - Hard

Total Plays - 43

Allowed Time - 15 sec

Best time - 4.522

What is the core promise of Quantum Computing?

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Explanation:
Quantum computers exploit superposition and entanglement to solve certain problems exponentially faster.

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Difficulty - Medium

Total Plays - 40

Allowed Time - 10 sec

Best time - 2.893

Which metal is liquid at room temperature?

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Explanation:
Mercury stays liquid around 25°C while most metals are solid.

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Difficulty - Hard

Total Plays - 74

Allowed Time - 15 sec

Best time - 1.063

The average of five consecutive even numbers is 24. What is the smallest number?

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Explanation:
Average = middle term = 24. Numbers = 20, 22, 24, 26, 28. Smallest = 22.

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Difficulty - Hard

Total Plays - 37

Allowed Time - 15 sec

Best time - 1.448

The ratio of speeds of two cars is 4 : 5. If the faster car covers 300 km in 3 hours, how long will the slower car take?

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Explanation:
Faster car’s speed = 300/3 = 100 km/h. Slower = 100 × 4/5 = 80 km/h. Time = 300/80 = 3.75 ≈ 4 hours.

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Difficulty - Medium

Total Plays - 33

Allowed Time - 10 sec

Best time - 1.124

A sum doubles in 8 years at simple interest. In how many years will it triple?

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Explanation:
If it doubles in 8 years, the interest earned = principal. To triple, interest = 2× principal. So time = 8 × 2 = 16 years.

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Difficulty - Hard

Total Plays - 30

Allowed Time - 15 sec

Best time - 1.411

Who designed the first programmable computer concept (Analytical Engine)?

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Explanation:
Babbage proposed the Analytical Engine, which inspired modern computing architectures.

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Difficulty - Hard

Total Plays - 30

Allowed Time - 15 sec

Best time - 0.532

What happens to electrical resistance as temperature increases in a conductor?

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Explanation:
In most conductors, higher temperature increases atomic vibrations, which hinder electron flow and raise resistance. (But in semiconductors, it’s the opposite — resistance drops!)

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Difficulty - Medium

Total Plays - 28

Allowed Time - 10 sec

Best time - 1.208

What unit measures electrical power?

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Explanation:
The watt measures the rate of energy conversion or power in an electrical circuit.

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Difficulty - Medium

Total Plays - 29

Allowed Time - 10 sec

Best time - 1.160

What does CAD stand for?

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Explanation:
CAD software helps engineers design parts and assemblies digitally before production.

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Difficulty - Easy

Total Plays - 113

Allowed Time - 5 sec

Best time - 2.953

Identify this famous personality

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Explanation:
Linus Benedict Torvalds is a Finnish software engineer who is the creator and lead developer of the Linux kernel

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Difficulty - Hard

Total Plays - 176

Allowed Time - 15 sec

Best time - 0.457

A father is 36 years old and his son is 6. In how many years will the father be exactly three times as old as the son?

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Explanation:
In 9 years, father will be 45 and son will be 15. 45 is 3 times 15.

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Difficulty - Medium

Total Plays - 121

Allowed Time - 10 sec

Best time - 1.603

Identify the next number in the series -

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2 -> 3 -> 5 -> 7 -> 11 -> [ ? ]

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Explanation:
These are prime numbers. 13 is the next prime after 11.

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Difficulty - Medium

Total Plays - 129

Allowed Time - 10 sec

Best time - 0.632

If it takes 5 machines 5 minutes to make 5 widgets, how long would 100 machines take to make 100 widgets?

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Explanation:
Each machine makes 1 widget in 5 minutes. So 100 machines will make 100 widgets in 5 minutes, working in parallel.

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Difficulty - Medium

Total Plays - 121

Allowed Time - 10 sec

Best time - 0.582

What does a capacitor store?

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Explanation:
A capacitor stores energy in the form of an electric field between its plates. It doesn't store current or voltage directly.

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Difficulty - Hard

Total Plays - 113

Allowed Time - 15 sec

Best time - 0.515

What is the antonym of “Obscure”?

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Explanation:
"Obscure" means unclear or hidden. Its opposite is clear.

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Difficulty - Medium

Total Plays - 111

Allowed Time - 10 sec

Best time - 1.262

Choose the word that best fits the sentence:

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He is very good ___ playing chess.

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Explanation:
The correct preposition after "good" (when talking about skill) is "at".

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