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Most viewed questions in Fluid Mechanics and Thermal Sciences

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GATE2016-1-16
Which of the following statements are TRUE with respect to heat and work? They are boundary phenomena They are exact differentials They are path functions both $(i)$ and $(ii)$ both $(i)$ and $(iii)$ both $(ii)$ and $(iii)$ only $(iii)$
Which of the following statements are TRUE with respect to heat and work?They are boundary phenomenaThey are exact differentialsThey are path functionsboth $(i)$ and $(ii...
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GATE2015-3-10
The thermodynamic cycle shown in figure ($T$-$s$ diagram) indicates reversed Carnot cycle reversed Brayton cycle vapor compression cycle vapor absorption cycle
The thermodynamic cycle shown in figure ($T$-$s$ diagram) indicatesreversed Carnot cyclereversed Brayton cyclevapor compression cyclevapor absorption cycle
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GATE2016-1-14
For a floating body, buoyant force acts at the centroid of the floating body center of gravity of the body centroid of the fluid vertically below the body centroid of the displaced fluid
For a floating body, buoyant force acts at thecentroid of the floating bodycenter of gravity of the bodycentroid of the fluid vertically below the bodycentroid of the dis...
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GATE2016-2-17
The internal energy of an ideal gas is a function of temperature and pressure volume and pressure entropy and pressure temperature only
The internal energy of an ideal gas is a function oftemperature and pressurevolume and pressureentropy and pressuretemperature only
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GATE2019 ME-1: 8
During a non-flow thermodynamic process $(1-2)$ executed by a perfect gas, the heat interaction is equal to the work interaction $(Q_{1-2} = W_{1-2})$ when the process is Isentropic Polytropic Isothermal Adiabatic
During a non-flow thermodynamic process $(1-2)$ executed by a perfect gas, the heat interaction is equal to the work interaction $(Q_{1-2} = W_{1-2})$ when the process is...
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GATE2019 ME-1: 10
As per common design practice, the three types of hydraulic turbines, in descending order of flow rate, are Kaplan, Francis, Pelton Pelton, Francis, Kaplan Francis, Kaplan, Pelton Pelton, Kaplan, Francis
As per common design practice, the three types of hydraulic turbines, in descending order of flow rate, areKaplan, Francis, PeltonPelton, Francis, KaplanFrancis, Kaplan, ...
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GATE ME 2012 | Question: 18
Which one of the following configurations has the highest fin effectiveness? Thin, closely spaced fins Thin, widely spaced fins Thick, widely spaced fins Thick, closely spaced fins
Which one of the following configurations has the highest fin effectiveness?Thin, closely spaced finsThin, widely spaced finsThick, widely spaced finsThick, closely space...
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GATE2016-2-13
The volumetric flow rate (per unit depth) between two streamlines having stream functions $\Psi _1$ and $\Psi _2$ is $\mid \Psi _1+\Psi _2\mid$ $\Psi _1\Psi _2$ $\Psi _1/\Psi _2$ $\mid\Psi _1-\Psi _2\mid$
The volumetric flow rate (per unit depth) between two streamlines having stream functions $\Psi _1$ and $\Psi _2$ is$\mid \Psi _1+\Psi _2\mid$$\Psi _1\Psi _2$$\Psi _1/\Ps...
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GATE2020-ME-1: 17
For an ideal gas, the value of the Joule-Thomson coefficient is positive negative zero indeterminate
For an ideal gas, the value of the Joule-Thomson coefficient ispositivenegativezeroindeterminate
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GATE2020-ME-1: 52
One kg of air, initially at a temperature of $127^{\circ}C$ , expands reversibly at a constant pressure until the volume is doubled. If the gas constant of air is $287\: J/kg.K$, the magnitude of work transfer is ________ $kJ$ (round off to $2$ decimal places).
One kg of air, initially at a temperature of $127^{\circ}C$ , expands reversibly at a constant pressure until the volume is doubled. If the gas constant of air is $287\: ...
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GATE2018-1-33
A tank open at the top with a water level of $1$ m, as shown in the figure, has a hole at a height of 0.5 m. A free jet leaves horizontally from the smooth hole. The distance X (in m) where the jet strikes the floor is $0.5$ $1.0$ $2.0$ $4.0$
A tank open at the top with a water level of $1$ m, as shown in the figure, has a hole at a height of 0.5 m. A free jet leaves horizontally from the smooth hole. The dist...
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