Engineering Thermodynamics
Gases have

Only one value of specific heat
Two values of specific heat
Under some conditions one value and sometimes two values of specific heat
No value of specific heat

ANSWER DOWNLOAD EXAMIANS APP

Engineering Thermodynamics
According to Kelvin-Planck’s statement of second law of thermodynamics,

It is possible to construct an engine working on a cyclic process, whose sole purpose is to convert heat energy into work
It is impossible to construct an engine working on a cyclic process, whose sole purpose is to convert heat energy into work
None of these
It is impossible to construct a device which operates in a cyclic process and produces no effect other than the transfer of heat from a cold body to a hot body

ANSWER DOWNLOAD EXAMIANS APP