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review EE2 ME

Authored by Hai Dinh

Science

University

Used 2+ times

review EE2 ME
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26 questions

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1.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

There is always some friction when two .......... objects move relative to one another.

separating

touching

vibrating

distancing

2.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

Friction can be reduced by ……………… and by good design.

reinforcing

machinery

lubrication

overengineering

3.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

MEMS concerns tiny, three-dimensional systems ranging from 1 to 10,000 ……………… in size.

millimeters

microns

nanometers

centimeters

4.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

Compared with MEMS, nanotechnology has even smaller scales, down to a ……………… of a meter.

thousandth

hundredth

billionth

millionth

5.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

Conductivity, strength and viscosity can be modified if we can work at scales of less than 100 ……………….

micrometers

millimeters

centimeters

nanometers

6.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

……………… in cars are triggered by an accelerometer which is often a MEMS device.

safety belts

alarm systems

braking systems

airbags

7.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

An engine which combines an internal combustion engine with an electric motor is called a ……………….

hybrid

hydrogen

combination

modification

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