Engineering - Structures Assessment

Front

A bridge with a strength-to-weight efficiency ratio of 600 indicates that

Back

it can hold a load 600 times its own weight before collapsing

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TK

Front

What is the formula we used to calculate the efficiency of a bridge?

Back

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TK

Front

Approximately how much weight does a plain sheet of corrugated cardboard hold over a 20cm gap?

Back

5 kg

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TK

Front

A weight, like a truck or a car, on the bridge deck

Back

Load

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TK

Front

Forces that cause a bridge to rotate or twist

Back

Torsion

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TK

Front

Forces that cause the top of a bridge deck to squeeze

Back

Compression

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TK

Front

The pillars or columns beneath the bridge, that hold up the bridge, are undergoing what kind of force?

Back

Compression

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TK

Front

A barge hits a bridge from the side and causes a sideways motion along part of the bridge

Back

Shear

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TK

Front

Which of the following uses shear force? Hitting a nail with a hammer, Pulling an elastic apart in opposite directions, Cutting paper with scissors, Pushing down on a pillow with a weight

Back

Cutting paper with scissors

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TK

Front

You see a crane carrying a load of supplies at a construction site. The rope holding the supplies to the crane is experiencing

Back

tension

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TK