JKDC7

1.

1 point

When did General Eisenhower issue a directive giving the Army Air Forces the responsibility "to detect atomic explosions anywhere in the world"?

1 January 1947

16 September 1947

1 April 1948

28 August 1948

2.

1 point

What year was the RI 99125 broken out into three separate RI's, the 99104, 99105, and 99106?

1947

1963

1978

1994

3.

1 point

What year were the RI's 9S100 and 9S200 consolidated into the current 9S100 Technical Applications Specialist?

1978

1994

1995

1999

4.

1 point

What year was the first dedicated "B" system seismic station brought on line near College, Alaska?

1949

1951

1954

1963

5.

1 point

9S100 specialist bring unique scientific education, aptitude, and critical perspectives to solving...

physics and analytical problems

physics and mathematical problems

complex technological and analytical problems

mathematical and complex technological problens

6.

1 point

The COMSEC program is designed to detect and correct procedural weaknesses that could expose ...

critical information

personal information

classified information

time sensitive information

7.

1 point

Which measure is used to deny or prevent unauthorized persons from gaining access to or seeing classified material?

Physical

Emission

Transmission

Cryptosecurity

8.

1 point

The easiest way to complete an inventory is to have your COMSEC container organized ...

numerically

alphabetically

using color binders

by security classification

9.

1 point

What type of software attempts to intercept passwords or credit card numbers as a user enters them into a web form or on-line applications?

malicious spyware

Microsoft Office

flash player

UNIX

10.

1 point

OPSEC is ongoing and designed to enhance mission effectiveness by reducing the enemy's capability to gather useful intelligence data about our...

technology

battle plans

classified information

operations and activities

11.

1 point

What is defined as information owned, produced, or controlled by the United States government?

Unclassified Information

Top Secret Information

Official Information

Secret Information

12.

1 point

When unauthorized disclosure of what type of classified information could reasonable be expected to cause SERIOUS DAMAGE to the national security?

Confidential

Unclassified

Top Secret

Secret

13.

1 point

Who publishes the foreign clearance guide to direct and assist military travelers when they travel to other countries?

DOD

AFTAC

Air Force

Director of Intelligence

14.

1 point

What should be placed as a permanent copy in your luggage?

Visa

Passport

Clearance Message

Immunization record

15.

1 point

What components of an atom are collectively labeled as nucleons?

Protons and Neutrons

Protons and Electrons

Electrons and Neutrons

Electrons and Elements

16.

1 point

What type of electrical charge does each of an atom's components have?

Protons-Negative; Neutrons-Positive; Electrons-Neutral

Protons-Neutral; Neutrons-Negative; Electrons-Positive

Protons-Positive; Neutrons-Neutral; Electrons-Negative

Protons-Positive; Neutrons-Negative; Electrons-Neutral

17.

1 point

The smallest part of a compound that has all the specific properties of that compound is know as what?

Atom

Nucleus

Element

Molecule

18.

1 point

What does the valance of an atom determine?

The atoms ability to gain or lose neutrons

The atoms ability to gain or lose protons

The atoms ability to gain or lose electrons

The atoms ability to gain or lose its atomic mass

19.

1 point

The process by which a atom gains or loses electrons is know as ...

ionosphere layering

ionization

classical physics

valance shell modification

20.

1 point

What is "specific gravity"?

The ratio of the mass of a body to its volume

The ratio of the density of a substance to the density of pure water

The amount of force an object has upon the earth measured kilograms

The exertion of a force upon a surface of a substance in contact with it

21.

1 point

What is the general relationship between density and temperature?

Density and temperature have no relationship

As temperature increase, density decreases; as temperature decrease, density increase

As temperature increases, density increases; as temperature decreases, density decreases

Per every 1 degree increase of change in temperature, density increases by the "rules of seven"

22.

1 point

What is the formula for determining pressure?

P = Area/Force

P = (Area + Force) squared

P = (Force/Area) cubed

P = Force/Area

23.

1 point

The measure of the tendency of an object to return to its original shape and size after a deforming force is removed is know as what?

Strain

Elasticity

Stress

Bulk Moduli

24.

1 point

How is strain measured?

By the change in length per unit of length and the change in volume per unit of volume

By the change in density per unit volume of pure water

By the change in pressure from dividing the force by the area

By the change of Bulk Moduli derived from the pressure formula

25.

1 point

A measure of how easily a substance is compressed is defining what one word?

Stress

Strain

Compressibility

Deformation

26.

1 point

What type of wave requires no PHYSICAL MATERIAL to serve as a medium for transmission?

Longitudinal Waves

Electromagnetic Waves

Retrograde Waves

Acoustic Waves

27.

1 point

The distance or physical length between any 2 points on a waveform that are at precisely the same position on adjacent cycles is the definition of...

Frequency

Period

Waveguide

Wavelength

28.

1 point

Velocity is the speed at which a waveform appears to move. What is the formula for calculating velocity

V= (F x L) squared

V= (F x L)

V= L/T

Both B & C are correct

29.

1 point

An increase in the elasticity of a medium will ________ the speed of a wave traveling through it.

Increase

Decrease

have no effect on

either A or B can be true

30.

1 point

The boundary between one medium and another medium with different physical properties is called a ...

Layer

Plains Boundary

Discontinuity

Critical Angle

31.

1 point

The angle of incidence is equal to the angle of reflection defines...

Refraction

Diffraction

Reflection

Dispersion

32.

1 point

What size must a reflecting surface be in order to reflect a wave?

Wider than half the wavelength of the reflecting wave

Narrower than half the wavelength of the reflecting wave

At a minimum twice the wavelength of the refracting wave

Wider than one quarter the wavelength of the refracting wave

33.

1 point

In order for an object to appear green, the object must _____________

Absorb the green wavelength and reflect all other wavelength

Absorb a combination of wavelengths creating color of green

Absorb all other wavelengths other than green

Be made up of elements that are green in nature

34.

1 point

The bending or change in direction of a wave is know as ...

Reflection

Refraction

Absorption

Diffraction

35.

1 point

When a wave enters a medium of greater speed, it will be bent _______ from the normal.

Toward

Away

It will not be bent

Either Away or Toward, depending on the angle of incidence

36.

1 point

When does TOTAL INTERNAL REFLECTION occur?

When the angle of incidence is greater than the critical angle

When the critical angle is greater than the angle of incidence

When the angle of incidence is equal to 90 degrees

When the critical angle is equal to 90 degrees

37.

1 point

What causes diffusion?

Reflection

Absorption

Scattering

Attenuation

38.

1 point

According to classical physics, how many forms of matter naturally occur?

1

2

3

4

39.

1 point

The changing of a substance from a solid state directly to a gaseous state without becoming a liquid describes which process?

Melting Point

Sublimation

Superposition

compounds combined to become mixtures

40.

1 point

What type of motion does a waveform exhibit when its quantitative measurements (characteristics) DO NOT remain stable over time?

retrograde

symmetrical

aperiodic

periodic

41.

1 point

How many characteristics do we use to classify waveforms?

3 - wavelength, frequency & period

4 - wavelength, frequency, period & amplitude

5 - wavelength, frequency, period, amplitude & velocity

6 - wavelength, frequency, period, amplitude, velocity & phase

42.

1 point

If a medium's particle vibration is parallel to the direction of motion, the wave is known as...

Transverse

Longitudinal

Elliptical Retrograde

Retrograde

43.

1 point

Motion where the particle vibrations are at right angels to the direction of the wave are...

Transverse

Longitudinal

Elliptical Retrograde

Retrograde

44.

1 point

This type of particle motion occurs at the boundary between two materials... roughly circular.

Transverse

Longitudinal

Elliptical Retrograde

Retrograde

45.

1 point

Which type of wave propagation is almost non-existent in liquids and gases?

Transverse

Longitudinal

Elliptical Retrograde

Retrograde

46.

1 point

Every point on a wave front can be considered as a source of secondary wavelets that spread out in all directions with the wave speed of the medium describes what?

Newton's Law of Relativity

Plank's Law

Huygen's principle

Law of elipses

47.

1 point

Scattering of a wavelength in all directions caused by the roughness of the reflecting area is known as ....

Diffuse Refraction

Absorption

Diffraction

Diffuse Reflection

48.

1 point

How do we determine the index of refraction?

The ratio between the speed of a wave and its reflective index

The ratio between the speed of a wave in a vacuum and its speed in a particular medium.

Published in the refractive index almanac

The ratio of the frequency of the wave and the mass of the medium

49.

1 point

The bending or change in direction of a wave defines which term?

Reflection

Attenuation

Refraction

Diffraction

50.

1 point

The bending of a wave around objects in its path defines which term?

Reflection

Attenuation

Refraction

Diffraction