Microwave Crossed Field Tubes – 1 – 2

6. Which of the following microwave tube amplifier uses an axial magnetic field and radial electric field ?

(a) Coaxial magnetron
(b) CFA
(c) Travelling wave magnetron
(d) 
Reflex klystron

ANSWER
Answer : (b)

EXPLANATION
No answer description available for this question. Let us discuss.

7. The frequency determining portion of a magnetron is :

(a) A resonant cavity
(b) A shorted line
(c) An open line
(d)
 A cathode

ANSWER
Answer : (a)

EXPLANATION
No answer description available for this question. Let us discuss.

8. The gain of a TWT is proportional to :

(a) Length of tube
(b) Type of input and output coupling
(c) None of the above
(d)
 Both a and b

ANSWER
Answer : (a)

EXPLANATION
No answer description available for this question. Let us discuss.

9. Which of the following is unlikely to be used as a pulsed device ?

(a) TWT
(b) CFA
(c) BWO
(d) 
Multi-cavity klystron

ANSWER
Answer : (c)

EXPLANATION
No answer description available for this question. Let us discuss.

10. TWT is preferred to multicavity klystron amplifier because it is :

(a) More efficient
(b) Greater B.W.
(c) Has higher number of modes
(d) 
Produces a higher output power

ANSWER
Answer : (b)

EXPLANATION
No answer description available for this question. Let us discuss.

1 2

Be a Part of The New & Next

MCQs fb  MCQs G+

Share the Knowledge

GATE Total InfoGATE 2019 BooksFree Notes
IES Total InfoIES 2019 BooksFree Mock tests
JAM Total InfoJAM 2019 BooksEngg Diploma
PSUs Total InfoM Tech Total InfoUGC NET Total Info

General Knowledge Books

McqSeries.com is an online forum for multiple choice questions. This forum would be really-really helpful for those candidates who are preparing for examination conducted by Union Public Service Commission (like Civil Services Examination, Engineering Services Examination, Special Class Railway Apprentice, National Defence Academy, Combined Defence Services, etc.), Staff Selection Commission (like Combined Graduate Level, Junior Engineer, Food Corporation of India etc.), various public sector units (like DRDO, DMRC, BARC, BSNL, ONGC, etc.), Graduate Aptitude Test in Engineering, Indian Institute of Technology Entrance Examination etc. and many other national and state level examination.

Shares
GATE, IES & PSUs Total Information & GuidanceCheck Here!
Copy Protected by Chetan's WP-Copyprotect.