Why is multi-stage compression used?
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What is the expression for optimum intercooler or intermediate pressure P2 if the cooling ratio is fixed in a compound compression refrigeration system with intercooling?
Multistage compression provides effective lubrication.
What is the value of optimum intermediate pressure is the cooling ratio is fixed in a compound VCR with intercooling having suction and discharge pressure as 2 and 8 bar respectively?
Which of the following is not true about single-stage compression?
Which of the following is not the difference between theoretical and actual VCR cycle?
What is the effect of a decrease in suction pressure on C.O.P.?
What is the effect of an increase in discharge pressure on C.O.P.?
Which of the following factor of the actual VCR affects severely the coefficient of performance?
If the radius of any current carrying conductor is less than the critical radius, then why the addition of electrical insulation will enable the wire to carry a higher current?
Which of the following substance has the minimum value of thermal conductivity?
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