Related Questions

The saturation line is the line up to which banks get saturated after the canal runs for some time. The saturation gradient in ordinary loam soil, is generally
A 2 : 1
B 3 : 1
C 4 : 1
D 5 : 1
Percentage saturation of a vapor bearing gas is always __________ the relative saturation.
A Higher than
B Smaller than
C Equal to
D Either A or B; depends on the system
In case of an unsaturated mixture of gas and vapor, the percentage saturation is __________ its relative saturation.
A Lower than
B Higher than
C Equal to
D Either A or B, depends on the mixture composition
Percentage saturation is __________ the relative saturation.
A Always smaller than
B Always greater than
C Not related to
D None of these
The transition temperature at which all the ferromagnetic materials become paramagnetic materials is termed as the 'Curie temperature'. Its value for cobalt is __________ °C.
A 768
B 1127
C 1359
D 1480
Which of the following materials has the highest value of dielectric constant?
A Glass
B Vacuum
C Ceramics
D Oil
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
In drilling softer materials, the cutting speed is ___________ as compared to harder materials.
A Same
B Low
C High
D None of these
Certain type of materials generates an electrostatic charge or voltage when mechanical force is applied across them. Such materials are called
A Piezo-electric
B Photo-electric
C Thermo-electric
D Photo-resistive

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