The value of gas constant (R) in S. I. units is
0.287 J/kgK
2.87 J/kgK
28.7 J/kgK
287 J/kgK
Correct Answer :
D. 287 J/kgK
Related Questions
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Piratical materials
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The axis of load
An oblique plane
At right angles to the axis of specimen
Would not occur
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pv = C
pv = m R T
pvn = C
pvγ = C
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Peat
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Bituminous coal
Anthracite coal
The materials which exhibit the same elastic properties in all directions are called
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Inelastic
Isotropic
Isentropic
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Proportional limit, elastic limit, yielding, failure
Elastic limit, proportional limit, yielding, failure
Yielding, proportional limit, elastic limit, failure
None of the above
The compression ratio for petrol engines is
3 to 6
5 to 8
10 to 20
15 to 30
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Atomisation
Carbonisation
Combustion
None of these
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Increase key length
Increase key depth
Increase key width
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l/δl
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Twice
Four times
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It is possible to transfer heat from a body at a lower temperature to a body at a higher temperature.
It is impossible to transfer heat from a body at a lower temperature to a body at a higher temperature, without the aid of an external source.
It is possible to transfer heat from a body at a lower temperature to a body at a higher temperature by using refrigeration cycle.
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Tensile in steel and compressive in copper
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More
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Wl3/48 EI
Wa²b²/3EIl
[Wa/(a√3) x EIl] x (l² - a²)3/2
5Wl3/384 EI
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20 %
30 %
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Second kind
Third kind
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Extensive work is done
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Volume occupied by the gas
Temperature of the gas
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