Related Questions

Maximum percentage of carbon in austenite is
A 0.025%
B 0.26%
C 0.8%
D 1.7%
Austenite is not
A Ductile
B Malleable
C Magnetic
D Soft
__________ of austenite decreases the hardenability in steel.
A Fine grains
B Coarse grains
C Homogeneity
D Dissolved elements (except cobalt)
Quartz crystal is most commonly used in crystal oscillators because ___________
A It has superior electrical properties
B It is easily available
C It is quite inexpensive
D None of the above
The crystal oscillator frequency is very stable due to ___________ of the crystal
A Rigidity
B Vibrations
C Low Q
D High Q
If the crystal frequency changes with temperature, we say that crystal has ___________ temperature coefficient
A Positive
B Zero
C Negative
D None of the above
A characteristic property of crystal is its periodicity of structure.
A True
B False
Most of the common metals have __________ crystal structure.
A Cubic
B Hexagonal
C Orthorhombic
D None of these
Deformation band is absent in materials having __________ lattice crystal structure.
A Fcc
B Bcc
C Hcp
D None of these
The crystal structure of brass is
A F.C.C.
B B.C.C.
C H.C.P.
D Orthorhombic crystalline structure

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