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) (v1 + v2)/v2 (v1 + v2)/v1 v1/v2 v2/v1 (v1 + v2)/v2 (v1 + v2)/v1 v1/v2 v2/v1 ANSWER DOWNLOAD EXAMIANS APP
Engineering Thermodynamics A diathermic wall is one which Encourages thermal interaction Permits thermal interaction Prevents thermal interaction Discourages thermal interaction Encourages thermal interaction Permits thermal interaction Prevents thermal interaction Discourages thermal interaction ANSWER DOWNLOAD EXAMIANS APP
Engineering Thermodynamics The general law of expansion or compression is pvn = C, The process is said to be hyperbolic, if n is equal to γ ∝ 1 γ ∝ 1 ANSWER DOWNLOAD EXAMIANS APP
Engineering Thermodynamics According to Regnault's law, the specific heat at constant pressure (cp) and specific heat at constant volume (cv) _________ with the change in pressure and temperature of the gas. Do not change Change None of these Both (A) and (B) Do not change Change None of these Both (A) and (B) ANSWER DOWNLOAD EXAMIANS APP
Engineering Thermodynamics One Joule (J) is equal to 1 N-m 10 N-m/s 10 kN-m/s 1 kN-m 1 N-m 10 N-m/s 10 kN-m/s 1 kN-m ANSWER DOWNLOAD EXAMIANS APP
Engineering Thermodynamics The value of 1 mm of Hg is equal to 1333 N/m2 1.333 N/m2 13.33 N/m2 133.3 N/m2 1333 N/m2 1.333 N/m2 13.33 N/m2 133.3 N/m2 ANSWER DOWNLOAD EXAMIANS APP
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