Engineering Thermodynamics The expansion ratio (r) is the ratio of (where v1 = Volume at the beginning of expansion, and v2 = Volume at the end of expansion) v2/v1 (v1 + v2)/v2 (v1 + v2)/v1 v1/v2 v2/v1 (v1 + v2)/v2 (v1 + v2)/v1 v1/v2 ANSWER DOWNLOAD EXAMIANS APP
Engineering Thermodynamics The efficiency of the dual combustion cycle for the same compression ratio is __________ Diesel cycle. Less than None of these Equal to Greater than Less than None of these Equal to Greater than ANSWER DOWNLOAD EXAMIANS APP
Engineering Thermodynamics When a gas is heated at constant volume Its pressure will increase Both temperature and pressure will increase Neither temperature nor pressure will increase Its temperature will increase Its pressure will increase Both temperature and pressure will increase Neither temperature nor pressure will increase Its temperature will increase ANSWER DOWNLOAD EXAMIANS APP
Engineering Thermodynamics A process, in which the temperature of the working substance remains constant during its expansion or compression, is called Isothermal process Hyperbolic process Adiabatic process Polytropic process Isothermal process Hyperbolic process Adiabatic process Polytropic process ANSWER DOWNLOAD EXAMIANS APP
Engineering Thermodynamics The unit of mass in S.I. units is Tonne Kilogram Gram Quintal Tonne Kilogram Gram Quintal ANSWER DOWNLOAD EXAMIANS APP
Engineering Thermodynamics Otto cycle consists of following four processes Two isentropic and two constant volumes Two isentropic, one constant volume and one constant pressure Two isothermal and two isentropic Two isentropic and two constant pressures Two isentropic and two constant volumes Two isentropic, one constant volume and one constant pressure Two isothermal and two isentropic Two isentropic and two constant pressures ANSWER DOWNLOAD EXAMIANS APP
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