Related Questions

Most of the common metals have __________ crystal structure.
A Cubic
B Hexagonal
C Orthorhombic
D None of these
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
Most of the common metals have _________ structure.
A Linear
B Hexagonal
C Orthorhombic
D Cubic
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
Which of the following metals forms an amalgam with other metals?
A Tin
B Mercury
C Lead
D Zinc
Ceramic nuclear metals compared to solid nuclear metals have
A higher melting points
B low strength at high temperature
C more chances of radiation damage
D poorer corrosion resistance
There are thirteen metals which are treated as pollutants. Which of the following metals is not a pollutant?
A Mercury
B Arsenic
C Aluminium
D Lead
Which of the following metals form an amalgam with other metals ?
A Lead
B Tin
C Zinc
D Mercury
An important geometrical quantity in the cutting of metals which can be used as a criterion for machinability of metals is
A Cutting speed
B Feed rate
C Shear angle
D Tool geometry

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