Related Questions

The potential gradient across the material of low permittivity is than across the material of high permittivity.
A smaller
B greater
C both (A) and (B)
D none of the above
The relative permittivity has the following units
A F/m
B m/F
C Wb/m
D no units
The relative permittivity of free space is given by
A 1
B 10
C 100
D 1000
The dielectric constant (relative permittivity) of glass is given by
A 0.1 to 0.4
B 0.5 to 1.0
C 2.0 to 4.0
D 5 to 100
Styrene-butadiene-rubber (SBR) as compared to natural rubber has
A Poorer tensile strength
B Poorer resistance to oxidation
C Greater amount of heat build-up under heavy loading
D All of the above
Styrene butadiene rubber (SBR) as compared to natural rubber has
A Poor tensile strength
B Poorer resistance
C Greater amount of heat build up heavy loading
D All of the above
Natural rubber is obtained from latex, which is a colloidal dispersion of rubber in water. Which of the following is used as a coagulant in latex?
A Ammonium alum
B Potassium alum
C Both A & B
D Neither A nor B
The absolute permittivity of free space is given by
A 8.854 x 10-9 F/m
B 8.854 x 10-10 F/m
C 8.854 x 10-11 F/m
D 8.854 x 10-12 F/m
During elastic impact, the relative velocity of the two bodies after impact is __________ the relative velocity of the two bodies before impact.
A Equal to
B Equal and opposite to
C Less than
D Greater than
In impulse turbines, when friction is neglected, the relative velocity of steam at outlet tip of the blade is _________ the relative velocity of steam at inlet tip of the blade.
A Equal to
B Less than
C Greater than
D None of these

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