English 2 UNIT 5

A futuristic wind turbine in a vibrant landscape with a high-speed train racing by, showcasing renewable energy and advanced engineering.

Wind Turbines and High-Speed Trains Quiz

Test your knowledge on wind turbines and high-speed trains with this comprehensive quiz. Each question focuses on the mechanics, efficiency, and engineering aspects of these technologies.

35 engaging questions
Multiple choice format
Learn about renewable energy and engineering principles

35 Questions9 MinutesCreated by TransformingEarth2021

The fact that wind turbines consume no fuel and waste very little energy is clearly a fundamental advantage. But just how _______they are?

Efficient

Unreliable

Suitable

Effective

Clearly, wind turbines need to be located on relatively windy sites in order to function From a meteorological standpoint, what kinds of geographical location are the most ______?

Efficient

Unreliable

Suitable

Effective

Turbines are generally placed at the tops of tall towers, where wind speeds are higher, thus making them more ________.

Efficient

Unreliable

Suitable

Effective

Wind turbines rarely function continuously, due to the fact that wind speeds are _________.

Inefficient

Inadequate

Insufficient

Inconsistent

Transmitting electricity over long distances is inherently ______ due to power loss from overhead or underground powerlines.

Inefficient

Inadequate

Insufficient

Inconsistent

The generating capacity of wind turbines is generally ________ for it to be relied upon 100%.

A. inefficient

B. inadequate

C. insufficient

D. B and c

Some early wind turbines were ________, suffering breakdowns caused by inaxial stresses stemming from higher wind loads on the upper blade.

Inefficient

Unreliable

C. insufficient

Ineffective

So that downward force means the structure is in ______, especially near the bottom.

Bending

Friction

Pressure

Compression

A horizontal load, exerted by air _______ against one side of the structure.

Bending

Friction

Pressure

Compression

Because the structure is fixed at ground level, and free at the top, that generates ______ forces.

Bending

Friction

Pressure

Compression

When elements bend, you have opposing forces: ________at one side, ________at the other.

Bending, torsion

Tension, shear

Pressure, friction

Compression, tension

Wind effectively tries to slide the structure along the ground, and the foundations below the ground resist that. The result of that is _______ force.

Shear

Torsion

Expansion

Friction

The foundations need to rely on _________with the ground to resist the pull-out force.

Shear

Torsion

Expansion

Friction

The action of the wind can also generate _______You get a twisting force.

Shear

Torsion

Expansion

Friction

When concrete absorbs heat from the sun, you get _______; as soon as the sun goes in, there's _______.

Shear, tension

Torsion, friction

Expansion, contraction

Friction, pressure

The record speed exceeded the standard operating speed by a ________ margin.

Tiny

Huge

Slightly

Significantly

The modified train was _________ shorter.

Significantly

Significant

Considerably

Considerable

Changes were made to the bodywork, to make it _________ more aerodynamic.

Huge

Tiny

Slightly

Certain

The power of the electric motors was __________ higher than the standard units.

Substantially

Considerable

Significant

Huge

Standard high-speed trains can be made to go faster by a. ________ amount.

Substantially

Considerable

Significant

Huge

The supply voltage in the catenary cables had to be increased by a._________ amount. (From 25,000 to 31,000 volts)

Substantially

Considerable

Significant

Huge

To limit oscillation, the tension of the catenary cables was _________increased. (By 60%.)

Substantially

Considerable

Significant

Huge

On some curves, the camber of the track was increased _________ (By a few centimeters)

Huge

Tiny

Certain

Marginally

The previous record was beaten by ________ margin, (Old rec. 60 Km/h, new 570Km/h rec.)

Huge

Tiny

Certain

Marginally

In perfect conditions the TGV could probably have gone __________ faster. (From 5 to 10 km/)

Huge

Tiny

Slightly

Significantly

The bolts fixing the camera to the sled had to ___________ high shear forces.

Cope with

Capable of

Unable to

Intended to

The sled's rockets were __________ generating enormous thrust.

Cope with

Capable of

Unable to

Intended to

The pools at the end of the track were __________ stop the sled rapidly.

Cope with

Able to

Exceed

Intended to

The skids on the sled had to ________ high levels of friction.

Surpass

Capable of

Unable to

Withstand

At full speed, john Stapp was _________ several tons of air pressure.

Exceeded

Resisted

Subjected to

None of the above

The rear of the sled was __________ resist the shock of deceleration and broke off.

Surpass

Capable of

Unable to

Withstand

Doctors thought people were ___________ surviving forces of 17 Gs and above.

Surpass

Incapable of

Exceed

Withstand

John Stapp _________ the 17G limit by a huge margin.

Able to

Incapable of

Exceed

Withstand

English 2 UNIT 5

Wind Turbines and High-Speed Trains Quiz

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