Which bridge equipment is used in determining the distance to and direction of objects by sending out a beam of microwave radio energy and detecting the return reflections?

Raster‐scan chart data is:

The unit which sends returning target echoes to the receiver is the:

The ability of a radar to separate targets close together on the same bearing is called:

Which of the following is the best to obtain vessel's position during poor visibility?

On a relative motion radar, the closest point of approach (CPA) of a contact is determined

Which indicates that your radar needs maintenance?

The characteristics on which bearing resolution depends is:

This safety device when activated in a distress situation responds to radar interrogation by transmitting a swept frequency signal which generates 12 blips code on a radar screen

Echoes in radar from two or more targets close to each other at the same range may emerge to form a single echo. The ability of a radar to separate this is called:

Echoes in radar from two or more targets close to each other at the same range may emerge to form a single echo. The ability of a radar to separate this is called:

In confined waters which of the following equipment becomes more reliable in obtaining vessel's position?

Navigation at coastal waters, radar is generally used to supplement

In ARPA, which of the following is TRUE?

Most commonly, ship's radar operates in the:

Which of the following is correct concerning RAMARK?

Countries are producing unique digital charts based on their interpretation of IHO standards:

Spoking would be indicated on the radar receiver by

Which term refers to the combination of a Radar transmitter and receiver?

An identification of ships, coastal areas and other targets, good range and range resolution are important because they:

This radar unit performs a dual function both in transmission and reception

This type of radar enhance to maximum visibility in marginal weather condition

The difference in intensity of the illumination of the radar scope between radar images and the background of the screen.

Which is the most accurate position by radar fixes?

What does an automatic identification system (AIS) transponder use to transmit and receive information broadcasts?

The common frequencies used in merchant radar are approximately:

This type of radar enhance to maximum visibility in marginal weather condition.

Which device emits a characteristic signal when triggered by a ship's radar?

The transmission time duration of a single pulse of radio‐frequency energy is a function of the

If the Radar scanners of one vessel are in the same horizontal plane as the cargo deck of the other during transfer operations, which type of radar emissions would pose a greater danger of the induced ignition of flammable vapors?

When navigating in coastal waters which of the following is not considered as a factor?

Which is the name of movable, radial guide line used to measure direction in the radar?

This is defined as the radar control that reduces weak echoes to a limited distance from the ship

As per Solas V regulations safety of navigation a ships of 10,000 gross tons and above shall be fitted, with radar capable of operating in the:

PPI display of a radar means:

This is the decrease in the strength of a radar wave resulting from absorption, scattering and reflection by the medium as it passes the atmosphere.

Which is the most accurate position by radar fixes?

To ensure that a RACON signal is visible in the 3cm. radar, one should ensure that the

When may the automatic identification system (AIS) be switched off?

The scattering and absorption of the energy in the radar beam as it passes through the atmosphere is called:

The description "Racon" beside an illustration on a chart would mean a:

Which radar control is used to shorten all echoes on the display and reduces the clutter caused by the snow or rain?

What do you call the marker in the radar PPI which the operator can put in any direction to watch the incoming target?

The intensity of the election beam in the C.R.T. is controlled by:

The minimum range at which a target can be detected is basically determined by which of the following?

Which of the following is NOT recommendable to obtain vessel's position as radar target?

In marine navigation, radar signal is

While underway, a vessel over 100,000 gross tons with an automatic identification systems (AIS) is expected to broadcast all of the following information every 1 to 10 seconds EXCEPT:

This may occur when a strong echo is received from another ship at close range

The ability of a radar to separate targets close together on the same bearing is called: