Daily Trivia Quiz - Day 194 (2026-05-13)

Question 1

Why do modern refrigerator doors use magnetic seals instead of old-style mechanical latches?

Accepted Answer

To prevent children from being trapped inside refrigerators

Answer

Magnetic seals create a stronger vacuum inside the fridge

Answer

Mechanical latches wore out too quickly in cold temperatures

Answer

Magnetic seals let refrigerators run without door hinges

Question 2

The US and Canada still commonly use Letter-size paper, 8.5×11 inches, instead of A4. Why has that difference persisted?

Accepted Answer

Existing forms, printers, filing systems, templates, and habits make switching costly and inconvenient

Answer

Letter paper produces less waste than A4 in modern paper mills

Answer

A4 paper is illegal for official documents in the United States

Answer

Letter size was proven to be more ergonomic for reading

Question 3

Why do blackout curtains often use a white or light-colored backing facing the window?

Accepted Answer

To reflect sunlight and reduce heat gain

Answer

To make the fabric heavier

Answer

To prevent dust from sticking

Answer

To stop the curtain from fading indoors

Question 4

What everyday safety problem led to cordless blinds becoming more common in homes?

Accepted Answer

Children can become entangled in blind cords

Answer

Cords attract more dust

Answer

Cords block more sunlight

Answer

Cords make windows harder to insulate

Question 5

Why can heavy curtains make a noisy room feel quieter even if they are not soundproof?

Accepted Answer

Soft fabric absorbs some reflected sound

Answer

Fabric changes the pitch of sound waves

Answer

Curtains create a vacuum by the wall

Answer

Curtain folds cancel all low notes

Question 6

What is the main purpose of a soft-close mechanism in a kitchen drawer?

Accepted Answer

It slows the drawer before it shuts

Answer

It locks the drawer automatically

Answer

It measures the drawer's weight

Answer

It keeps food smells inside

Question 7

About how much visible light does a typical household mirror reflect?

Accepted Answer

Roughly 85% to 95%

Answer

100%

Answer

Around 50%

Answer

Less than 10%

Question 8

Venice was famous for high-quality mirrors for centuries. What combination of skills helped make Venetian mirrors so prized?

Accepted Answer

Making very clear, flat glass and backing it with a reflective metal coating

Answer

Adding colored dye to make reflections brighter

Answer

Using curved glass to magnify every reflection

Answer

Painting the front of the glass with white enamel

Question 9

Which country sets its standard time 45 minutes off the nearest whole hour?

Accepted Answer

Nepal

Answer

Bhutan

Answer

Sri Lanka

Answer

Myanmar

Question 10

What odd thing do collectors love about some rare stamps?

Accepted Answer

Printing mistakes can make them more valuable

Answer

The oldest stamp is always the rarest

Answer

Blue ink stamps are always official

Answer

Unused stamps are never collectible