<div><span style="color: #ffffff;"><strong>PoliSpace CubeSat Team - TCS Test</strong></span></div> | Take the Quiz

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The albedo is:

The IR radiation emitted by a planet surface

The direct radiation from sunrays

Solar radiation reflected by a planet surface

The spacecraft radiation emitted in free space

Heat pipes are a ________ technique for thermal control.

Passive

Active

In thermal analysis application, the Sun can be modelled as:

A white body at 5800 K

A yellow body at 5800 K

A black body at 5800 K

A red body at 5800 K

How much power does a 1 m² surface gather at 1 AU from Sun (mean power)?

1357 W

345 W

15931 W

25 W

Which of these parameters must be considered in the evaluation of the thermal profile for a CubeSat in LEO (Low Earth Orbit)?

Orbital period

Eccentricity

Orbit inclination

All of them

Usually, in preliminary thermal analysis the satellite can be approximated to:

A cube

A sphere

A disk

A parallelepiped

The thermal inertia of a CubeSat is ________ than a bigger satellite’s.

Equal

Greater

Lower

The temperature of the outer space is:

0 K

271.7 K

2.7 K

-271.7 K

What is the “beta angle” ?

Angle between solar arrays and sunrays

Angle between orbital plane and sunrays

Angle between vernal equinox and Earth (measured counterclockwise)

The acronym used in thermal analysis to identify the inclination of the orbit

What is the “packaging factor” ?

The frontal area of 1 side of the CubeSat

The percentage of 1 side of the cubesat occupied by solar panels

The number identifying the solar arrays efficiency

The absorptivity of the solar panels

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