1
GATE ME 1992
MCQ (Single Correct Answer)
+1
-0.3
A condenser of a refrigeration system rejects heat at a rate of $$120$$ $$kW,$$ while its compressor consumes a power of $$30$$ $$kW.$$ The coefficient of performance of the system would be
A
$$1/4$$
B
$$4$$
C
$$1/3$$
D
$$3$$
2
GATE ME 1992
Subjective
+5
-0
In a steam power plant operating with simple Rankine cycle, the turbine is fed with steam at $$100$$ bar and $$673$$ $$K.$$ Determine the actual enthalpy and quality of the steam extracted at $$14$$ bar if the turbine stage efficiency is $$90$$ percent.
3
GATE ME 1992
MCQ (Single Correct Answer)
+2
-0.6
In stream and other vapor cycles, the process of removing non-condensables is called
A
Scavenging process
B
Deaeration process
C
Exhaust process
D
Condensation process
4
GATE ME 1992
Fill in the Blanks
+2
-0
A steam turbine operating with less moisture is ____________ (more/less) efficient and ________ (less/more) prone to blade damage.