If p1 is the pressure of air entering the L.P. cylinder and p3 is the pressure of air leaving the H.P. cylinder, then the ratio of cylinder diameters for a single acting, two stage reciprocating compressor with complete intercooling is given by
A. $$\frac{{{{\text{D}}_1}}}{{{{\text{D}}_2}}} = {\left( {{{\text{p}}_1}{{\text{p}}_3}} \right)^{\frac{1}{2}}}$$
B. $$\frac{{{{\text{D}}_1}}}{{{{\text{D}}_2}}} = {\left( {\frac{{{{\text{p}}_1}}}{{{{\text{p}}_3}}}} \right)^{\frac{1}{4}}}$$
C. $$\frac{{{{\text{D}}_1}}}{{{{\text{D}}_2}}} = {\left( {{{\text{p}}_1}{{\text{p}}_3}} \right)^{\frac{1}{4}}}$$
D. $$\frac{{{{\text{D}}_1}}}{{{{\text{D}}_2}}} = {\left( {\frac{{{{\text{p}}_3}}}{{{{\text{p}}_1}}}} \right)^{\frac{1}{4}}}$$
Answer: Option D
Solution(By Examveda Team)
If p1 is the pressure of air entering the L.P. cylinder and p3 is the pressure of air leaving the H.P. cylinder, then the ratio of cylinder diameters for a single acting, two stage reciprocating compressor with complete intercooling is given by $$\frac{{{{\text{D}}_1}}}{{{{\text{D}}_2}}} = {\left( {\frac{{{{\text{p}}_3}}}{{{{\text{p}}_1}}}} \right)^{\frac{1}{4}}}$$This Question Belongs to Mechanical Engineering >> Compressors, Gas Turbines And Jet Engines
The compression ratio for the compressor is always _________ unity.
A. Equal to
B. Less than
C. More than
D. None of these
The hottest point in a gas turbine is
A. At the base
B. At the tip
C. In the center
D. Between ~ to i of the blade height
Temperature of gases at end of compression as compared to exhaust gases in a gas turbine is
A. Higher
B. Lower
C. Equal
D. Can't be compared
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