Related Questions

If the thermal conductivity of a wall material is independent of temperature, the steady state temperature distribution in the very large thin plane wall having steady, uniform surface tempeature follows __________ law.
A Parabolic
B Hyperbolic
C Linear
D Logarithmic
If the thermal conductivity of a wall material is independent of temperature, the steady state temperature distribution in the very large thin plane wall having steady, uniform surface temperature follows __________ law.
A Hyperbolic
B Parabolic
C Linear
D Logarithmic
A man spends 75% of his income. his income is increased by 20% and he increased his expenditure by 10%. His savings are increased by :
A 10%
B 25%
C 37.50%
D 50%
A man spends 75% of his income. His income is increased by 20% and he increased his expenses by 10% . His saving are increased by
A 50%
B 37.50%
C 25%
D 10%
If the height of a right square pyramid is increased by 12%, by what percent must the side of the base be increased, so that the volume of the pyramid is increased by 28%?
A 3%
B 7%
C 10%
D 36%
Which of the following situations can be approximated to a steady state heat transfer system?
A A red hot steel slab (having outside surface temperature as 1300°C) exposed to the atmosheric air at 35°C
B 10 kg of dry saturated steam at 8 kgf/cm2 flowing through a short length of stainless-steel pipe exposed to atmospheric air at 35°C
C Boiling brine kept in open vessel when the bottom surface temperature of the vessel is maintained constant at 180°C
D A sub-cooled refrigerant liquid at 8°C flowing at the rate of 6 Kg/minute through a copper pipe exposed to atmospheric air at 35°C
In a control system integral error compensation _______ steady state error
A Increases
B Minimizes
C Does not have any effect on
D All of the mentioned
A non-linear system will have __________ steady state values.
A One
B More than one
C Two
D Three
The rate of material __________ is zero in case of a steady state system.
A Accumulation
B Production
C Input
D Generation
Validity of the relationship, inputs = outputs, holds good for the system at steady state
A With chemical reaction
B Without chemical reaction
C Without chemical reaction & losses
D None of these

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