Radar/NEETS 18

Question 1

Radar uses what form of energy to detect the presence of objects?

Answer 1

Electromagnetic energy

Question 2

In a typical IFF system, what component is referred to as the challenging unit?

Answer 2

The interrogator

Question 3

In a typical IFF system, what component is referred to as the responding unit?

Answer 3

The transponder

Question 4

What IFF mode of operation is used to report altitude information?

Answer 4

Mode C

Question 5

Which mode of IFF operation is the military encrypted mode?

Answer 5

Mode 4

Question 6

What is the total number codes available in Mode C IFF ?

Answer 6

2048

Question 7

What modes are used strictly by the military as tactical modes for mission and identification purposes?

Answer 7

Modes 1 and 2

Question 8

Acronym RADAR derived from what words

Answer 8

Radio, detection and ranging

Question 9

What time is required for one way travel of an RF pulse if the target is one mile away?

Answer 9

6.18 micro

Question 10

What radar measurement of an object is referenced to true north

Answer 10

Surface angle

Question 11

The elevation angle to the target is the angle between which of the following references

Answer 11

Horizontal plane and line of sight

Question 12

What term deceives radar returns that exceed the prt of the radar

Answer 12

Ambiguous

Question 13

What type of transmitter power is measured over a period of time

Answer 13

Average

Question 14

The relative bearing of a radar echo is measured with respect to what reference point

Answer 14

Centerline or your own ship

Question 15

What 3 factors have the greatest effect of the accuracy of a pulse radar

Answer 15

Resolution
Average power
Atmospheric conditions

Question 16

What radar component allows the use of one antenna for both transmitting and receiving radar energy

Answer 16

Duplexes

Question 17

For military application, what radar system is used?

Answer 17

Track radar and search radar