Related Questions

In microwave communication links, when fading due to rain attenuation occurs then technique adopted for solving the problem would include
A Antenna replacement and feed correction
B Amplitude timing and phase correction
C Polarization shifting and code diversity
D Path diversity and frequency diversity
A ship leaves port and sails 6 miles west. It then sails 6 miles south ;and then 6 miles west again. Approximately how many miles is the ship from port?
A 9
B 11
C 13
D 15
Two Ships leave a port at the same time.Ship A sails 300 miles to the West Ship B sails 400 miles to the North.How far apart are the ships at the end of their trips?
A 300 miles
B 400 miles
C 500 miles
D 900 miles
Two ships leave a port at the same time, Ship A sails 300 miles to West and Ship B Sails 400 miles to the North. How fat apart are the ships at the end of their trips?
A 300 miles
B 400 miles
C 500 miles
D 900 miles
Because of rumors that the ship's passengers were sick with a terrible plague, the port_ the ship and refused to lit it dock.
A quarentyne
B quarrentined
C quarentine
D quarantined
This is the last time I'm telling you to arrive on time. Shape up or ship out. Here, ‘’shape up or ship out'' means-
A either come in time or be punished
B either build your body or leave this tough job
C either walk or board the ship
D either perform better of quit
The rotor of a ship rotates in clockwise direction when viewed from stern and the ship takes a left turn. The effect of gyroscopic couple acting on it will be
A to raise the bow and stern
B to lower the bow and stern
C to raise the bow and lower the stern
D to raise the stern and lower the bow
When a ship floats at its designed water line, the vertical distance from water line to the bottom of the ship is known as
A Beam
B Depth
C Free-board
D Draft
The pitching of a ship produces forces on the bearings which act __________ to the motion of the ship.
A Vertically and parallel
B Vertically and perpendicular
C Horizontally and parallel
D Horizontally and perpendicular
The efficiency of jet propulsion for a ship with inlet orifices at right angles to the direction of motion of ship is given by
A $$\frac{{2\left( {{{\text{V}}_{\text{r}}} - {\text{v}}} \right){\text{v}}}}{{{\text{V}}_{\text{r}}^2}}$$
B $$\frac{{2\left( {{{\text{V}}_{\text{r}}} + {\text{v}}} \right){\text{v}}}}{{{\text{V}}_{\text{r}}^2}}$$
C $$\frac{{\left( {{{\text{V}}_{\text{r}}} - {\text{v}}} \right){\text{v}}}}{{{{\text{V}}_{\text{r}}}}}$$
D $$\frac{{\left( {{{\text{V}}_{\text{r}}} + {\text{v}}} \right){\text{v}}}}{{{{\text{V}}_{\text{r}}}}}$$

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