Related Questions

What ferrite device can be used instead of duplexer of isolate microwave transmitter and receiver when both are connected to the same antenna?
A Isolator
B Magnetron
C Simplex
D Circulator
Ferrite material is
A The most fissionable material
B The basic fuel for nuclear paints
C Basic raw material for nuclear plants
D The material which absorbs neutrons and undergoes spontaneous changes leading to the formation of fissionable material
A reactor capable of converting a ferrite material into fissile isotopes is called
A Regenerative reactor
B Fast breeder reactor
C Breeder reactor
D Boiling water reactor
A ferrite core has less eddy current loss than an iron core because
A Ferrites have high resistance
B Ferrites are magnetic
C Ferrites have low permeability
D Ferrites have high hysteresis
The function of ferrite antenna is to ___________
A Reduce stray capacitance
B Stabilise d.c. bias
C Increase the Q of tuned circuit
D Reduce noise
Steel containing ferrite and pearlite is
A Hard
B Soft
C Tough
D Hard and tough
Maximum percentage of carbon in ferrite is
A 0.025%
B 0.06%
C 0.1%
D 0.25%
During decarburising of a plain carbon steel, the thickness of ferrite layer growth is proportional to
A Time
B Square root of time
C Square of time
D Cube of time
The materials which fracture even at small strains are termed as brittle, while those materials which exhibit an appreciable deformation before failure are termed as
A Rigid
B Tough
C Ductile
D Plastic
Thermoplastic materials are those materials which
A Do not become hard with the application of heat and pressure and no chemical change occurs
B Are flexible and can withstand considerable wear under suitable conditions
C Are formed into shape under heat and pressure and results in a permanently hard product
D Are used as a friction lining for clutches and brakes

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