1
GATE ME 1999
MCQ (More than One Correct Answer)
+2
-0.6
An isolated thermodynamic system executes a process. Choose the correct statement $$(s)$$ from the following:
A
No heat is transferred
B
No work is done
C
No mass flows across the boundary of the system
D
No chemical reaction takes place within the system
2
GATE ME 1999
MCQ (Single Correct Answer)
+1
-0.3
A steel ball of mass $$1$$ $$kg$$ and specific heat $$0.4$$ $$kJ/kg$$ is at temperature of $${60^ \circ }C.$$ It is dropped into $$1$$ $$kg$$ water at $${20^ \circ }C.$$ The final steady state temperature of water is
A
$${23.5^ \circ }C.$$
B
$${30^ \circ }C.$$
C
$${35^ \circ }C.$$
D
$${40^ \circ }C.$$
3
GATE ME 1999
Subjective
+5
-0
An adiabatic steam turbine receives dry saturated steam at $$1.0\,\,\,MN/{m^2}$$ and discharges it $$0.1\,\,\,MN/{m^2}.$$ The steam flow rate is $$3$$ $$kg/s$$ and the moisture at exit in negligible. If the ambient temperature is $$300$$ $$K,$$ determine the rate of entropy production and the lost power. GATE ME 1999 Thermodynamics - Rankine Cycle Question 6 English
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