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GATE2016-1-20
0
votes
The “Jominy test” is used to find
Young’s modulus
hardenability
yield strength
thermal conductivity
gateme-2016-set1
fluid-mechanics-and-thermal-science
applications
asked
Feb 24, 2017
in
Applications
♦
Arjun
24.6k
points
recategorized
Mar 5
by
♦
Lakshman Patel RJIT
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GATE2016-1-47
In a steam power plant operating on an ideal Rankine cycle, superheated steam enters the turbine at $3 \: MPa$ and $350^ \circ C$. The condenser pressure is $75$ $kPa$. The thermal efficiency of the cycle is ________ percent. Given data: For saturated liquid, at $P=75 \:kPa$ ... $T=350^\circ C$ (superheated steam), $h=3115.3 \: kJ/kg$, $s=6.7428 \: kJ/kg-K$
In a steam power plant operating on an ideal Rankine cycle, superheated steam enters the turbine at $3 \: MPa$ and $350^ \circ C$. The condenser pressure is $75$ $kPa$. The thermal efficiency of the cycle is ________ percent. Given data: For saturated liquid, at $P=75 \:kPa$, $h_f=384.39 \:kJ/kg$ ... $P = 3 \: MPa$ and $T=350^\circ C$ (superheated steam), $h=3115.3 \: kJ/kg$, $s=6.7428 \: kJ/kg-K$
asked
Feb 24, 2017
in
Applications
Arjun
24.6k
points
gateme-2016-set1
numerical-answers
fluid-mechanics-and-thermal-science
applications
vapour-and-gas-power-cycles
0
votes
0
answers
GATE2016-1-46
An ideal gas undergoes a reversible process in which the pressure varies linearly with volume. The conditions at the start (subscript $1$) and at the end (subscript $2$) of the process with usual notation are: $p_1 = 100 \: kPa$, $V_1 = 0.2 \: m^3$ ... $R=0.275\:kJ/kg-K$. The magnitude of the work required for the process (in $kJ$) is ________
An ideal gas undergoes a reversible process in which the pressure varies linearly with volume. The conditions at the start (subscript $1$) and at the end (subscript $2$) of the process with usual notation are: $p_1 = 100 \: kPa$, $V_1 = 0.2 \: m^3$ and $p_2=200 \: kPa$ ... $R=0.275\:kJ/kg-K$. The magnitude of the work required for the process (in $kJ$) is ________
asked
Feb 24, 2017
in
Applications
Arjun
24.6k
points
gateme-2016-set1
numerical-answers
fluid-mechanics-and-thermal-science
applications
vapour-and-gas-power-cycles
0
votes
0
answers
GATE2016-1-19
The INCORRECT statement about regeneration in vapor power cycle is that it increases the irreversibility by adding the liquid with higher energy content to the steam generator heat is exchanged between the expanding fluid in the turbine and the compressed ... the principle is similar to the principle of Stirling gas cycle it is practically implemented by providing feed water heaters
The INCORRECT statement about regeneration in vapor power cycle is that it increases the irreversibility by adding the liquid with higher energy content to the steam generator heat is exchanged between the expanding fluid in the turbine and the compressed fluid ... addition the principle is similar to the principle of Stirling gas cycle it is practically implemented by providing feed water heaters
asked
Feb 24, 2017
in
Applications
Arjun
24.6k
points
gateme-2016-set1
fluid-mechanics-and-thermal-science
applications
0
votes
0
answers
GATE2016-1-18
Consider two hydraulic turbines having identical specific speed and effective head at the inlet. If the speed ratio $\displaystyle{\left(\frac{N_1}{N_2}\right)}$ of the two turbines is $2$, then the respective power ratio $\displaystyle{\left(\frac{P_1}{P_2}\right)}$ is _____________
Consider two hydraulic turbines having identical specific speed and effective head at the inlet. If the speed ratio $\displaystyle{\left(\frac{N_1}{N_2}\right)}$ of the two turbines is $2$, then the respective power ratio $\displaystyle{\left(\frac{P_1}{P_2}\right)}$ is _____________
asked
Feb 24, 2017
in
Applications
Arjun
24.6k
points
gateme-2016-set1
numerical-answers
fluid-mechanics-and-thermal-science
applications
turbomachinery
0
votes
0
answers
GATE2016-3-47
In the vapour compression cycle shown in the figure, the evaporating and condensing temperatures are $260 \: K$ and $310 \: K$, respectively. The compressor takes in liquid-vapour mixture (state $1$) and isentropically compresses it to a dry saturated vapour condition (state ... $1$ and $0$ (in $kJ/kg$) is ____________
In the vapour compression cycle shown in the figure, the evaporating and condensing temperatures are $260 \: K$ and $310 \: K$, respectively. The compressor takes in liquid-vapour mixture (state $1$) and isentropically compresses it to a dry saturated vapour condition (state $2$). ... is $1054 \: kJ/kg$. The difference between the enthalpies at state points $1$ and $0$ (in $kJ/kg$) is ____________
asked
Feb 24, 2017
in
Applications
Arjun
24.6k
points
gateme-2016-set3
numerical-answers
fluid-mechanics-and-thermal-science
applications
vapour-and-gas-power-cycles
...