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GATE2016-2-42
Consider a parallel-flow heat exchanger with area $A_p$ and a counter-flow heat exchanger with area $A_c$ . In both the heat exchangers, the hot stream flowing at $1 \: kg/s$ cools from $80^\circ C$ to $50^\circ C$. For the cold stream ... exchangers are of the same fluid. Also, both the heat exchangers have the same overall heat transfer coefficient. The ratio $A_c/A_p$ is _________
Consider a parallel-flow heat exchanger with area $A_p$ and a counter-flow heat exchanger with area $A_c$ . In both the heat exchangers, the hot stream flowing at $1 \: k...
Arjun
28.5k
points
Arjun
asked
Feb 24, 2017
Heat Transfer
gateme-2016-set2
numerical-answers
fluid-mechanics-and-thermal-science
heat-transfer
heat-exchanger
+
–
0
answers
0
votes
GATE2016-2-11
A machine element XY, fixed at end X, is subjected to an axial load P, transverse load F, and a twisting moment T at its free end Y. The most critical point from the strength point of view is a point on the circumference at location Y a point at the center at location Y a point on the circumference at location X a point at the center at location X
A machine element XY, fixed at end X, is subjected to an axial load P, transverse load F, and a twisting moment T at its free end Y. The most critical point from the stre...
Arjun
28.5k
points
Arjun
asked
Feb 24, 2017
Applied Mechanics and Design
gateme-2016-set2
applied-mechanics-and-design
mechanics-of-materials
stress-strain
+
–
0
answers
0
votes
GATE2015-3-42
For a given matrix $P=\begin{bmatrix} 4+3i & -i\\ i & 4-3i \end{bmatrix}$, where $i=\sqrt{-1}$, the inverse of matrix $P$ is $P=\displaystyle{\frac{1}{24}}\begin{bmatrix} 4-3i & i\\ -i & 4+3i \end{bmatrix} \\$ ... $P=\displaystyle{\frac{1}{25}}\begin{bmatrix} 4+3i & -i\\ i & 4-3i \end{bmatrix} \\$
For a given matrix $P=\begin{bmatrix} 4+3i & -i\\ i & 4-3i \end{bmatrix}$, where $i=\sqrt{-1}$, the inverse of matrix $P$ is$P=\displaystyle{\frac{1}{24}}\begin{bmatrix} ...
Arjun
28.5k
points
Arjun
asked
Feb 24, 2017
Linear Algebra
gateme-2015-set3
linear-algebra
matrices
+
–
0
answers
0
votes
GATE2015-3-19
Which of the following statements are TRUE for damped vibrations? P. For a system having critical damping, the value of damping ratio is unity and system does not undergo a vibratory motion. Q. Logarithmic decrement method is used to determine the amount of damping in a physical ... proportional to the square of relative velocity. P and Q only P and S only P, Q and R only Q and S only
Which of the following statements are TRUE for damped vibrations?P. For a system having critical damping, the value of damping ratio is unity and system does not undergo ...
Arjun
28.5k
points
Arjun
asked
Feb 24, 2017
Vibrations
gateme-2015-set3
effect-of-damping
vibrations
applied-mechanics-and-design
+
–
0
answers
0
votes
GATE2015-3-15
The lowest eigenvalue of the $2\times 2$ matrix $\begin{bmatrix} 4 & 2\\ 1 & 3 \end{bmatrix}$ is ________
The lowest eigenvalue of the $2\times 2$ matrix $\begin{bmatrix} 4 & 2\\ 1 & 3 \end{bmatrix}$ is ________
Arjun
28.5k
points
Arjun
asked
Feb 24, 2017
Linear Algebra
gateme-2015-set3
numerical-answers
linear-algebra
matrices
eigenvalues
+
–
0
answers
0
votes
GATE2015-2-13
Which of the following statements regarding a Rankine cycle with reheating are TRUE? increase in average temperature of heat addition reduction in thermal efficiency drier steam at the turbine exit only $(i)$ and $(ii)$ are correct only $(ii)$ and $(iii)$ are correct only $(i)$ and $(iii)$ are correct $(i)$, $(ii)$ and $(iii)$ are correct
Which of the following statements regarding a Rankine cycle with reheating are TRUE?increase in average temperature of heat additionreduction in thermal efficiencydrier s...
Arjun
28.5k
points
Arjun
asked
Feb 24, 2017
Heat Transfer
gateme-2015-set2
fluid-mechanics-and-thermal-science
heat-transfer
+
–
0
answers
0
votes
GATE2016-3-17
The INCORRECT statement about the characteristics of critical point of a pure substance is that there is no constant temperature vaporization process it has point of inflection with zero slope the ice directly converts from solid phase to vapor phase saturated liquid and saturated vapor states are identical
The INCORRECT statement about the characteristics of critical point of a pure substance is thatthere is no constant temperature vaporization processit has point of inflec...
Arjun
28.5k
points
Arjun
asked
Feb 24, 2017
Heat Transfer
gateme-2016-set3
fluid-mechanics-and-thermal-science
heat-transfer
+
–
0
answers
0
votes
GATE2016-1-53
The figure below represents a triangle $PQR$ with initial coordinates of the vertices as $P(1,3)$, $Q(4,5)$ and $R(5,3.5)$. The triangle is rotated in the $X$-$Y$ plane about the vertex $P$ by angle $\theta$ in clockwise direction. If sin$\theta$ = $0.6$ and cos$\theta$ = $0.8$, the new coordinates of the vertex $Q$ are $(4.6, 2.8)$ $(3.2, 4.6)$ $(7.9, 5.5)$ $(5.5, 7.9)$
The figure below represents a triangle $PQR$ with initial coordinates of the vertices as $P(1,3)$, $Q(4,5)$ and $R(5,3.5)$. The triangle is rotated in the $X$-$Y$ plane a...
Arjun
28.5k
points
Arjun
asked
Feb 24, 2017
Calculus
gateme-2016-set1
calculus
vector-identities
+
–
0
answers
0
votes
GATE2016-3-7
The cross-sections of two solid bars made of the same material are shown in the figure. The square cross-section has flexural (bending) rigidity $I_1$, while the circular cross-section has flexural rigidity $I_2$. Both sections have the same cross-sectional area. The ratio $I_1/I_2$ is $1/ \pi \\$ $2/ \pi \\$ $ \pi/3 \\$ $ \pi/6 $
The cross-sections of two solid bars made of the same material are shown in the figure. The square cross-section has flexural (bending) rigidity $I_1$, while the circular...
Arjun
28.5k
points
Arjun
asked
Feb 24, 2017
Applied Mechanics and Design
gateme-2016-set3
applied-mechanics-and-design
mechanics-of-materials
+
–
0
answers
0
votes
GATE2016-1-39
An inverted U-tube manometer is used to measure the pressure difference between two pipes $A$ and $B$ ,as shown in figure.pipe $A$ is carrying oil (specific gravity$=0.8$ ) and pipe $B$ is carrying water.The densities of air and water are $1.16 kg/m^3$ ... $A$ and $B$ is ________$kPa$. Acceleration due to gravity $g =10\:m/s^2$.
An inverted U-tube manometer is used to measure the pressure difference between two pipes $A$ and $B$ ,as shown in figure.pipe $A$ is carrying oil (specific gravity$=0.8$...
Arjun
28.5k
points
Arjun
asked
Feb 24, 2017
Materials, Manufacturing and Industrial Engineering
gateme-2016-set1
numerical-answers
materials-manufacturing-and-industrial-engineering
metrology-and-inspection
+
–
0
answers
0
votes
GATE2015-3-13
Using a unit step size, the value of integral $\int_{1}^{2}x \ln x dx$ by trapezoidal rule is ________
Using a unit step size, the value of integral $\int_{1}^{2}x \ln x dx$ by trapezoidal rule is ________
Arjun
28.5k
points
Arjun
asked
Feb 24, 2017
Numerical Methods
gateme-2015-set3
numerical-answers
numerical-methods
integration-by-trapezoidal-and-simpsons-rule
+
–
0
answers
0
votes
GATE2015-1-47
For flow through a pipe of radius $R$, the velocity and temperature distribution are as follows: $u(r,x)=C_1,$, and $T(r,x)=C_2[1- \left (\dfrac{r}{R} \right )^3]$ where $C_1$ and $C_2$ ... mean velocity of flow. The value of $T_m$ is $\dfrac{0.5C_2}{U_m} \\$ $0.5C_2 \\$ $0.6C_2 \\$ $\dfrac{0.6C_2}{U_m}$
For flow through a pipe of radius $R$, the velocity and temperature distribution are as follows:$u(r,x)=C_1,$, and $T(r,x)=C_2[1- \left (\dfrac{r}{R} \right )^3]$ where $...
Arjun
28.5k
points
Arjun
asked
Feb 24, 2017
Fluid Mechanics
gateme-2015-set1
fluid-mechanics-and-thermal-science
fluid-mechanics
flow-through-pipes
+
–
0
answers
0
votes
GATE2015-1-17
Consider a steel (Young’s modulus $E$ = $200 \: GPa$) column hinged on both sides. Its height is $1.0 \: m$ and cross-section is $10 \: mm \times 20$ $mm$. The lowest Euler critical buckling load (in $N$) is __________
Consider a steel (Young’s modulus $E$ = $200 \: GPa$) column hinged on both sides. Its height is $1.0 \: m$ and cross-section is $10 \: mm \times 20$ $mm$. The lowest E...
Arjun
28.5k
points
Arjun
asked
Feb 24, 2017
Applied Mechanics and Design
gateme-2015-set1
numerical-answers
applied-mechanics-and-design
mechanics-of-materials
+
–
0
answers
0
votes
GATE2016-3-41
For a two-dimensional flow, the velocity field is $\overrightarrow{u}=\dfrac{x}{x^2+y^2}\hat{i}+\dfrac{y}{x^2+y^2}\hat{j}$ where$\hat{i}$ and $\hat{j}$ are the basis vectors in the $x-y$ Cartesian coordinate system. Identify the CORRECT statements from below. The flow is incompressible. The flow is ... $(2)$ and $(3)$ $(1)$ and $(3)$ $(1)$ and $(2)$ $(3)$ and $(4)$
For a two-dimensional flow, the velocity field is $\overrightarrow{u}=\dfrac{x}{x^2+y^2}\hat{i}+\dfrac{y}{x^2+y^2}\hat{j}$ where$\hat{i}$ and $\hat{j}$ are the basis vec...
Arjun
28.5k
points
Arjun
asked
Feb 24, 2017
Fluid Mechanics
gateme-2016-set3
fluid-mechanics
+
–
0
answers
0
votes
GATE Mechanical 2014 Set 4 | Question: 23
Better surface finish is obtained with a large rake angle because the area of shear plane decreases resulting in the decrease in shear force and cutting force the tool becomes thinner and the cutting force is reduced less heat is accumulated in the cutting zone the friction between the chip and the tool is less
Better surface finish is obtained with a large rake angle becausethe area of shear plane decreases resulting in the decrease in shear force and cutting forcethe tool beco...
Arjun
28.5k
points
Arjun
asked
Feb 19, 2017
Materials, Manufacturing and Industrial Engineering
gateme-2014-set4
materials-manufacturing-and-industrial-engineering
machining-and-machine-tools-operations
+
–
0
answers
0
votes
GATE2016-1-6
A rigid ball of weight $100$ $N$ is suspended with the help of a string. The ball is pulled by a horizontal force $F$ such that the string makes an angle of $30^o$ with the vertical. The magnitude of force $F$ (in $N$) is __________
A rigid ball of weight $100$ $N$ is suspended with the help of a string. The ball is pulled by a horizontal force $F$ such that the string makes an angle of $30^o$ with t...
Arjun
28.5k
points
Arjun
asked
Feb 24, 2017
Applied Mechanics and Design
gateme-2016-set1
numerical-answers
applied-mechanics-and-design
mechanics-of-materials
+
–
0
answers
0
votes
GATE2015-3-50
The dimensions of a cylindrical side riser (height = diameter) for a $25 \: cm \times 15 \: cm \times 5 \: cm$ steel casting are to be determined. For the tabulated shape factor values given below, the diameter of the riser (in $cm$ ...
The dimensions of a cylindrical side riser (height = diameter) for a $25 \: cm \times 15 \: cm \times 5 \: cm$ steel casting are to be determined. For the tabulated shape...
Arjun
28.5k
points
Arjun
asked
Feb 24, 2017
Mechanics of Materials
gateme-2015-set3
numerical-answers
thin-cylinders
mechanics-of-materials
applied-mechanics-and-design
+
–
0
answers
0
votes
GATE2015-1-16
Two identical trusses support a load of $100$ $N$ as shown in the figure. The length of each truss is $1.0$ $m$; cross-sectional area is $200$ $mm^2$; Young’s modulus $E$ = $200$ $GPa$. The force in the truss $AB$ (in $N$) is _________
Two identical trusses support a load of $100$ $N$ as shown in the figure. The length of each truss is $1.0$ $m$; cross-sectional area is $200$ $mm^2$; Young’s modulus $...
Arjun
28.5k
points
Arjun
asked
Feb 24, 2017
Applied Mechanics and Design
gateme-2015-set1
numerical-answers
applied-mechanics-and-design
engineering-mechanics
trusses
+
–
0
answers
0
votes
GATE2016-3-1
A real square matrix $\textbf{A}$ is called skew-symmetric if $A^T=A$ $A^T=A^{-1}$ $A^T=-A$ $A^T=A+A^{-1}$
A real square matrix $\textbf{A}$ is called skew-symmetric if$A^T=A$$A^T=A^{-1}$$A^T=-A$$A^T=A+A^{-1}$
Arjun
28.5k
points
Arjun
asked
Feb 24, 2017
Linear Algebra
gateme-2016-set3
linear-algebra
matrices
+
–
0
answers
0
votes
GATE2016-1-27
If $y=f(x)$ satisfies the boundary value problem ${y}''+9y=0$ , $y(0)=0$ , $y(\pi /2)=\sqrt{2}$, then $y(\pi /4)$ is ________
If $y=f(x)$ satisfies the boundary value problem ${y}''+9y=0$ , $y(0)=0$ , $y(\pi /2)=\sqrt{2}$, then $y(\pi /4)$ is ________
Arjun
28.5k
points
Arjun
asked
Feb 24, 2017
Calculus
gateme-2016-set1
numerical-answers
calculus
boundary-value-problems
+
–
0
answers
0
votes
GATE2015-3-37
Refrigerant vapor enters into the compressor of a standard vapor compression cycle at −$10^\circ C \:(h = 402 \: kJ/kg)$ and leaves the compressor at $50^\circ C \: (h = 432 \: kJ/kg)$. It leaves the condenser at $30^\circ C \: (h = 237 \: kJ/kg)$. The COP of the cycle is ________
Refrigerant vapor enters into the compressor of a standard vapor compression cycle at −$10^\circ C \:(h = 402 \: kJ/kg)$ and leaves the compressor at $50^\circ C \: (h ...
Arjun
28.5k
points
Arjun
asked
Feb 24, 2017
Applications
gateme-2015-set3
numerical-answers
fluid-mechanics-and-thermal-science
applications
refrigeration-and-air-conditioning
+
–
0
answers
0
votes
GATE2015-3-25
An air-standard Diesel cycle consists of the following processes: $1 - 2$: Air is compressed isentropically. $2 - 3$: Heat is added at constant pressure. $3 - 4$: Air expands isentropically to the original volume. $4 - 1$: Heat is rejected at constant volume. If $\gamma$ ... $1-\displaystyle{\frac{T_4-T_1}{(\gamma -1)(T_3-T_2)}}$
An air-standard Diesel cycle consists of the following processes:$1 – 2$: Air is compressed isentropically.$2 – 3$: Heat is added at constant pressure.$3 – 4$: Air ...
Arjun
28.5k
points
Arjun
asked
Feb 24, 2017
Applications
gateme-2015-set3
fluid-mechanics-and-thermal-science
applications
diesel-cycle
+
–
0
answers
0
votes
GATE2015-2-37
A hollow shaft of $1 \: m$ length is designed to transmit a power of $30\: kW$ at $700 \text{rpm}$. The maximum permissible angle of twist in the shaft is $1^{\circ}$. The inner diameter of the shaft is $0.7$ times the outer diameter. The modulus of rigidity is $80 \: GPa$. The outside diameter (in $mm$) of the shaft is__________
A hollow shaft of $1 \: m$ length is designed to transmit a power of $30\: kW$ at $700 \text{rpm}$. The maximum permissible angle of twist in the shaft is $1^{\circ}$. Th...
Arjun
28.5k
points
Arjun
asked
Feb 24, 2017
Mechanics of Materials
gateme-2015-set2
numerical-answers
mechanics-of-materials
applied-mechanics-and-design
+
–
0
answers
0
votes
GATE2016-2-5
Numerical integration using trapezoidal rule gives the best result for a single variable function, which is linear parabolic logarithmic hyperbolic
Numerical integration using trapezoidal rule gives the best result for a single variable function, which islinearparaboliclogarithmichyperbolic
Arjun
28.5k
points
Arjun
asked
Feb 24, 2017
Numerical Methods
gateme-2016-set2
numerical-methods
+
–
0
answers
0
votes
GATE2015-3-40
A solid sphere $1$ of radius ‘$r$’ is placed inside a hollow, closed hemispherical surface $2$ of radius ‘$4r$’. The shape factor $F_{2-1}$ is $1/12$ $1/2$ $2$ $12$
A solid sphere $1$ of radius ‘$r$’ is placed inside a hollow, closed hemispherical surface $2$ of radius ‘$4r$’. The shape factor $F_{2-1}$ is$1/12$$1/2$$2$$12$
Arjun
28.5k
points
Arjun
asked
Feb 24, 2017
Heat Transfer
gateme-2015-set3
view-factors
heat-transfer
fluid-mechanics-and-thermal-science
+
–
0
answers
0
votes
GATE2015-2-52
A single point cutting tool with $0^\circ $ rake angle is used in an orthogonal machining process. At a cutting speed of $180$ $m/min$, the thrust force is $490$ $N$. If the coefficient of friction between the tool and the chip is $0.7$, then the power consumption (in $kW$) for the machining operation is ________
A single point cutting tool with $0^\circ $ rake angle is used in an orthogonal machining process. At a cutting speed of $180$ $m/min$, the thrust force is $490$ $N$. If ...
Arjun
28.5k
points
Arjun
asked
Feb 24, 2017
Materials, Manufacturing and Industrial Engineering
gateme-2015-set2
numerical-answers
machining-and-machine-tool-operations
materials-manufacturing-and-industrial-engineering
+
–
0
answers
0
votes
GATE2015-2-7
A rod is subjected to a uni-axial load within linear elastic limit. When the change in the stress is $200$ $MPa$, the change in the strain is $0.001$. If the Poisson’s ratio of the rod is $0.3$, the modulus of rigidity (in $GPa$) is ________________
A rod is subjected to a uni-axial load within linear elastic limit. When the change in the stress is $200$ $MPa$, the change in the strain is $0.001$. If the Poisson’s ...
Arjun
28.5k
points
Arjun
asked
Feb 24, 2017
Mechanics of Materials
gateme-2015-set2
numerical-answers
poisson's-ratio
mechanics-of-materials
applied-mechanics-and-design
+
–
0
answers
0
votes
GATE2015-2-3
Curl of vector $V(x,y,z)=2x^2i+3z^2j+y^3k$ at $x=y=z=1$ is $-3i$ $3i$ $3i-4j$ $3i-6k$
Curl of vector $V(x,y,z)=2x^2i+3z^2j+y^3k$ at $x=y=z=1$ is$-3i$$3i$$3i-4j$$3i-6k$
Arjun
28.5k
points
Arjun
asked
Feb 24, 2017
Calculus
gateme-2015-set2
calculus
divergence-and-curl
+
–
0
answers
0
votes
GATE2015-1-13
A wheel of radius $r$ rolls without slipping on a horizontal surface shown below. If the velocity of point $P$ is $10$ $m/s$ in the horizontal direction, the magnitude of velocity of point $Q$ (in $m/s$) is ______
A wheel of radius $r$ rolls without slipping on a horizontal surface shown below. If the velocity of point $P$ is $10$ $m/s$ in the horizontal direction, the magnitude of...
Arjun
28.5k
points
Arjun
asked
Feb 24, 2017
Fluid Mechanics
gateme-2015-set1
numerical-answers
velocity-diagrams
fluid-mechanics-and-thermal-science
+
–
0
answers
0
votes
GATE2016-3-45
In a mixture of dry air and water vapor at a total pressure of $750$ $mm$ of $Hg$, the partial pressure of water vapor is $20$ $mm$ of $Hg$. The humidity ratio of the air in grams of water vapor per $kg$ of dry air ($g_w/kg_{da}$) is __________
In a mixture of dry air and water vapor at a total pressure of $750$ $mm$ of $Hg$, the partial pressure of water vapor is $20$ $mm$ of $Hg$. The humidity ratio of the air...
Arjun
28.5k
points
Arjun
asked
Feb 24, 2017
Applications
gateme-2016-set3
numerical-answers
applications
fluid-mechanics-and-thermal-science
+
–
0
answers
0
votes
GATE2016-3-3
Solutions of Laplace’s equation having continuous second-order partial derivatives are called biharmonic functions harmonic functions conjugate harmonic functions error functions
Solutions of Laplace’s equation having continuous second-order partial derivatives are calledbiharmonic functionsharmonic functionsconjugate harmonic functionserror fun...
Arjun
28.5k
points
Arjun
asked
Feb 24, 2017
Differential Equations
gateme-2016-set3
differential-equations
laplace-transforms
+
–
0
answers
0
votes
GATE2016-1-24
In an orthogonal cutting process the tool used has rake angle of zero degree. The measured cutting force and thrust force are $500 \: N$ and $250 \: N$, respectively. The coefficient of friction between the tool and the chip is _________
In an orthogonal cutting process the tool used has rake angle of zero degree. The measured cutting force and thrust force are $500 \: N$ and $250 \: N$, respectively. The...
Arjun
28.5k
points
Arjun
asked
Feb 24, 2017
Materials, Manufacturing and Industrial Engineering
gateme-2016-set1
numerical-answers
materials-manufacturing-and-industrial-engineering
machining-and-machine-tools-operations
+
–
0
answers
0
votes
GATE2016-3-50
In a sheet metal of $2$ $mm$ thickness a hole of $10$ $mm$ diameter needs to be punched. The yield strength in tension of the sheet material is $100$ $MPa$ and its ultimate shear strength is $80$ $MPa$. The force required to punch the hole (in $kN$) is __________
In a sheet metal of $2$ $mm$ thickness a hole of $10$ $mm$ diameter needs to be punched. The yield strength in tension of the sheet material is $100$ $MPa$ and its ultima...
Arjun
28.5k
points
Arjun
asked
Feb 24, 2017
Applied Mechanics and Design
gateme-2016-set3
numerical-answers
applied-mechanics-and-design
mechanics-of-materials
stress-strain
+
–
0
answers
0
votes
GATE2016-3-44
Steam at an initial enthalpy of $100$ $kJ/kg$ and inlet velocity of $100$ $m/s$, enters an insulated horizontal nozzle. It leaves the nozzle at $200$ $m/s$. The exit enthalpy (in $kJ/kg$) is __________
Steam at an initial enthalpy of $100$ $kJ/kg$ and inlet velocity of $100$ $m/s$, enters an insulated horizontal nozzle. It leaves the nozzle at $200$ $m/s$. The exit enth...
Arjun
28.5k
points
Arjun
asked
Feb 24, 2017
Fluid Mechanics
gateme-2016-set3
numerical-answers
fluid-mechanics-and-thermal-science
fluid-mechanics
+
–
0
answers
0
votes
GATE2016-2-46
A refrigerator uses $R-134a$ as its refrigerant and operates on an ideal vapour-compression refrigeration cycle between $0.14 \: MPa$ and $0.8 \: MPa$.if the mass flow rate of refrigerant is $0.05 \: kg/s$,the rate of heat rejection to the environment is_______$kW$ ... $\text{At } P=0.8 \: MPa, \: h=93.42 \: kJ/kg, \: \text{ (saturated liquid) }$
A refrigerator uses $R-134a$ as its refrigerant and operates on an ideal vapour-compression refrigeration cycle between $0.14 \: MPa$ and $0.8 \: MPa$.if the mass flow ra...
Arjun
28.5k
points
Arjun
asked
Feb 24, 2017
Applications
gateme-2016-set2
numerical-answers
fluid-mechanics-and-thermal-science
applications
refrigeration-and-air-conditioning
+
–
0
answers
0
votes
GATE2016-2-45
A reversible cycle receives $40 \: kJ$ of heat from one heat source at a temperature of $127^ \circ C$ and $37 \: kJ$ from another heat source at $97^ \circ C$. The heat rejected (in $kJ$) to the heat sink at $47^ \circ C$ is __________
A reversible cycle receives $40 \: kJ$ of heat from one heat source at a temperature of $127^ \circ C$ and $37 \: kJ$ from another heat source at $97^ \circ C$. The heat ...
Arjun
28.5k
points
Arjun
asked
Feb 24, 2017
Heat Transfer
gateme-2016-set2
numerical-answers
fluid-mechanics-and-thermal-science
heat-transfer
+
–
0
answers
0
votes
GATE2016-2-20
In a single-channel queuing model, the customer arrival rate is $12$ per hour and the serving rate is $24$ per hour. The expected time that a customer is in queue is _______ minutes.
In a single-channel queuing model, the customer arrival rate is $12$ per hour and the serving rate is $24$ per hour. The expected time that a customer is in queue is ____...
Arjun
28.5k
points
Arjun
asked
Feb 24, 2017
Operations Research
gateme-2016-set2
numerical-answers
simple-queuing-models
operations-research
materials-manufacturing-and-industrial-engineering
+
–
0
answers
0
votes
GATE2015-2-40
The head loss for a laminar incompressible flow through a horizontal circular pipe is $h_1$. Pipe length and fluid remaining the same, if the average flow velocity doubles and the pipe diameter reduces to half its previous value, the head loss is $h_2$. The ratio $h_2$/$h_1$ is $1$ $4$ $8$ $16$
The head loss for a laminar incompressible flow through a horizontal circular pipe is $h_1$. Pipe length and fluid remaining the same, if the average flow velocity double...
Arjun
28.5k
points
Arjun
asked
Feb 24, 2017
Fluid Mechanics
gateme-2015-set2
flow-through-pipes
fluid-mechanics
fluid-mechanics-and-thermal-science
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–
0
answers
0
votes
GATE2015-1-11
Air enters a diesel engine with a density of $1.0$ $kg$/$m^3$. The compression ratio is $21$. At steady state, the air intake is $30 × 10^{-3}$ $kg/s$ and the net work output is $15$ $kW$. The mean effective pressure (in $kPa$) is ____________
Air enters a diesel engine with a density of $1.0$ $kg$/$m^3$. The compression ratio is $21$. At steady state, the air intake is $30 × 10^{-3}$ $kg/s$ and the net work o...
Arjun
28.5k
points
Arjun
asked
Feb 24, 2017
Applications
gateme-2015-set1
numerical-answers
fluid-mechanics-and-thermal-science
applications
vapour-and-gas-power-cycles
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–
0
answers
0
votes
GATE2016-2-3
Laplace transform of $\cos( \omega t)$ is $\dfrac{s}{s^2+\omega ^2} \\$ $\dfrac{\omega }{s^2+\omega ^2} \\$ $\dfrac{s}{s^2-\omega ^2} \\$ $\dfrac{\omega }{s^2-\omega ^2}$
Laplace transform of $\cos( \omega t)$ is$\dfrac{s}{s^2+\omega ^2} \\$$\dfrac{\omega }{s^2+\omega ^2} \\$$\dfrac{s}{s^2-\omega ^2} \\$$\dfrac{\omega }{s^2-\omega ^2}$
Arjun
28.5k
points
Arjun
asked
Feb 24, 2017
Differential Equations
gateme-2016-set2
differential-equations
laplace-transforms
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