Basic Radars – Exercise – 1

1. Radar is :

(a) a mechanical device
(b) an electromagnetic device
(c) a pneumatic device
(d) an electrical device

Answer
Answer : (b)
Explanation
No answer description available for this question. Let us discuss.

2. Duplexer isolates :

(a) transmitter while transmitting
(b) receiver while receiving
(c) receiver while transmitting
(d) display unit

Answer
Answer : (c)
Explanation
No answer description available for this question. Let us discuss.

3. Receiver power depends on :

(a) medium losses
(b) medium, transmitter and polarization losses
(c) transmitter losses
(d) polarization losses

Answer
Answer : (b)
Explanation
No answer description available for this question. Let us discuss.

4. Duplexer is called :

(a) a switch
(b) coupler
(c) TR switch
(d) amplifier

Answer
Answer : (c)
Explanation
No answer description available for this question. Let us discuss.

5. In search radars :

(a) the beam is scanned continuously
(b) the beam is not scanned continuously
(c) angular position cannot better
(d) three antennas must be used

Answer
Answer : (a)
Explanation
No answer description available for this question. Let us discuss.
Print Friendly, PDF & Email
MORE INFORMATION
GATE Total InfoGATE 2020 BooksFree Notes
IES Total InfoIES 2020 BooksFree Mock tests
JAM Total InfoJAM 2020 BooksEngg Diploma
PSUs Total InfoM Tech Total InfoUGC NET Total Info

Leave a Reply

Your email address will not be published. Required fields are marked *

Copy Protected by Chetan's WP-Copyprotect. /*Radio Option*/