Related Questions

What is the change in the angular momentum of a system as per the Law of Conservation of Angular momentum, if the total external torque acting is zero?
A Remains constant
B Becomes zero
C Increases exponentially
D None of the above
At the absolute zero temperature, the entropy of every perfectly crystalline substance becomes zero. This follows from the
A Third law of thermodynamics
B Second law of thermodynamics
C Nernst heat theorem
D Maxwell's relations
Absolute zero pressure will occur
A At sea level
B When molecular momentum of the system becomes zero
C Under vacuum conditions
D At a temperature of 273°K
A Zener voltage regulator will cease to act as a voltage regulator if Zener current becomes ___________
A Less than load current
B Zero
C More than load current
D None of the above
The absolute entropy for all crystalline substances at absolute zero temperature is
A Zero
B Negative
C More than zero
D Indeterminate
At the boiling point of the liquid at the prevailing pressure, the saturated absolute humidity becomes
A 1
B 0
C ∞
D None of these
For a perfect gas, according to Boyle’s law (where p = Absolute pressure, v = Volume and T = Absolute temperature)
A $$\frac{{\text{v}}}{{\text{T}}}$$ = constant, if p is kept constant
B pv = constant, if T is kept constant
C $$\frac{{\text{T}}}{{\text{p}}}$$ = constant, if v is kept constant
D $$\frac{{\text{p}}}{{\text{T}}}$$ = constant, if v is kept constant
In an internal mouthpiece, the absolute pressure head at vena contracta is __________ the atmospheric pressure head by an amount equal to height of the liquid above the vena contracta.
A Less than
B More than
C Equal to
D None of these
Gauge pressure at a point is equal to the absolute pressure __________ the atmospheric pressure.
A Plus
B Minus
C Divide
D Multiply
At absolute zero temperature, the __________ of the gas is zero.
A Pressure
B Volume
C Mass
D None of these

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