CES Blast Effects & Damage Assessment

Question 1

What is the primary cause of damage in an explosive blast?

Accepted Answer

Shock wave from rapid gas expansion

Answer

Flames only.

Answer

Chemical smell.

Answer

Light emission.

Question 2

Which structure is most vulnerable to overpressure from a blast?

Accepted Answer

Glass windows and light walls

Answer

Concrete bunker.

Answer

Steel vault.

Answer

Underground tunnel.

Question 3

Why is it important to assess the blast radius?

Accepted Answer

To determine safe distances and damage zones

Answer

To limit insurance coverage.

Answer

To prepare advertisements.

Answer

To calculate profits.

Question 4

What is the term for damage caused by flying fragments in a blast?

Accepted Answer

Fragmentation

Answer

Thermal burns.

Answer

Conduction.

Answer

Inhalation injury.

Question 5

Which factor does NOT affect blast damage severity?

Accepted Answer

Color of the explosive

Answer

Amount of explosive.

Answer

Distance from the blast site.

Answer

Wind and weather conditions.

Question 6

What is secondary blast injury?

Accepted Answer

Resulting from shrapnel or debris impact

Answer

Caused by thermal radiation.

Answer

From inhaling smoke only.

Answer

Due to psychological trauma.

Question 7

How is structural damage typically assessed after a blast?

Accepted Answer

Using engineering inspections and structural analysis

Answer

By painting over cracks.

Answer

By measuring noise levels.

Answer

By checking with neighbors.

Question 8

What role do barriers play in reducing blast damage?

Accepted Answer

They reduce impact by absorbing shock waves

Answer

They increase sound.

Answer

They redirect wind.

Answer

They help focus the explosion.

Question 9

Which tool is commonly used to measure overpressure from a blast?

Accepted Answer

Pressure gauges or sensors

Answer

Thermometers.

Answer

Laser pointers.

Answer

Humidity meters.