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Recent questions tagged gateme-2018-set2
1
answer
0
votes
GATE2018-2-24
The arrival of customers over fixed time intervals in a bank follow a Poisson distribution with an average of $30$ customers/hour. The probability that the time between successive customer arrival is between $1$ and $3$ minutes is _____ (correct to two decimal places)
Arjun
asked
in
Probability and Statistics
Feb 17, 2018
by
Arjun
27.4k
points
gateme-2018-set2
numerical-answers
probability-and-statistics
probability
poisson-distribution
2
answers
0
votes
GATE2018-2-25
A ball is dropped from rest from a height of $1 \: m$ in a frictionless tube as shown in the figure. If the tube profile is approximated by two straight lines (ignoring the curved portion), the total distance travelled (in $m$) by the ball is _____ (correct to two decimal places)
Arjun
asked
in
Engineering Mechanics
Feb 17, 2018
by
Arjun
27.4k
points
gateme-2018-set2
numerical-answers
1
answer
0
votes
GATE2018-2-23
An engine operates on the reversible cycle as shown in the figure. The work output from the engine (in (kJ/cycle) is ____ (correct to two decimal places).
Arjun
asked
in
Applications
Feb 17, 2018
by
Arjun
27.4k
points
gateme-2018-set2
numerical-answers
0
answers
0
votes
GATE2018-2-22
The viscous laminar flow of air over a flat plate results in the formation of a boundary layer. The boundary layer thickness at the end of the plate of length $L$ is $\delta_L$. When the plate length is increased to twice its original length, the ... laminar boundary layer thickness at the end of the plate (with respect to $\delta_L$ is _______ (correct to two decimal palces).
Arjun
asked
in
Fluid Mechanics
Feb 17, 2018
by
Arjun
27.4k
points
gateme-2018-set2
numerical-answers
1
answer
0
votes
GATE2018-2-21
Fatigue life of a material for a fully reversed loading condition is estimated from $\sigma_a=1100N^{-0.15}$, where $\sigma_a$ is teh stress amplitude in $MPa$ and $N$ is the failure life in cycles. The maximum allowable stress amplitude (in $MPa$) for a life of $1 \times 10^5$ cycles under the same loading condition is ________ (correct to two decimal places).
Arjun
asked
in
Mechanics of Materials
Feb 17, 2018
by
Arjun
27.4k
points
gateme-2018-set2
numerical-answers
1
answer
0
votes
GATE2018-2-20
A hollow circular shaft of inner radius $10 \: mm$ outer radius $20 \: mm$ length $1 \: m$ is to be used as a torsional spring. If the shear modulus of the material of the shaft is $150 \: GPa$, the torsional stiffness of the shaft (in $kN-m/rad$) is ________ (correct to two decimal places).
Arjun
asked
in
Mechanics of Materials
Feb 17, 2018
by
Arjun
27.4k
points
gateme-2018-set2
numerical-answers
1
answer
0
votes
GATE2018-2-19
If $A=\begin{bmatrix}1 & 2 & 3 \\ 0 & 4 & 5 \\ 0 & 0 & 1 \end{bmatrix}$ then $\text{det}(A^{-1})$ is _______ (correct to two decimal palces).
Arjun
asked
in
Linear Algebra
Feb 17, 2018
by
Arjun
27.4k
points
gateme-2018-set2
numerical-answers
linear-algebra
matrices
rank-of-matrix
0
answers
0
votes
GATE2018-2-18
A local tyre distributor expects to sell approximately $9600$ steel belted radial tyres next year. Annual carrying cost is Rs. $16$ per tyre and ordering cost is Rs. $75$. The economic order quantity of the tyres is $64$ $212$ $300$ $1200$
Arjun
asked
in
Inventory Control
Feb 17, 2018
by
Arjun
27.4k
points
gateme-2018-set2
0
answers
0
votes
GATE2018-2-17
The preferred option for holding an odd-shaped workpiece in a centre lathe is live and dead centres three jaw chuck lathe dog four jaw chuck
Arjun
asked
in
Casting, Forming and Joining Processes
Feb 17, 2018
by
Arjun
27.4k
points
gateme-2018-set2
0
answers
0
votes
GATE2018-2-16
Metal removal in electric discharge machining takes place through ion displacement melting and vaporization corrosive and reaction plastic shear
Arjun
asked
in
Computer Integrated Manufacturing
Feb 17, 2018
by
Arjun
27.4k
points
gateme-2018-set2
0
answers
0
votes
GATE2018-2-15
Feed rate in slab milling operation is equal to rotation per minute (rpm) product of rpm and number of teeth in the cutter product of rpm, feed per tooth and number of teeth in the cutter product of rpm, feed per tooth and number of teeth in contact
Arjun
asked
in
Casting, Forming and Joining Processes
Feb 17, 2018
by
Arjun
27.4k
points
gateme-2018-set2
0
answers
0
votes
GATE2018-2-14
Match the following products with the suitable manufacturing process: ... $P-2, Q-1, R-3, S-4$ $P-4, Q-1, R-2, S-3$ $P-1, Q-3, R-4, S-2$
Arjun
asked
in
Casting, Forming and Joining Processes
Feb 17, 2018
by
Arjun
27.4k
points
gateme-2018-set2
0
answers
0
votes
GATE2018-2-13
During solidification of a pure molten metal, the grains in the casting near the mould wall are coarse and randomly oriented fine and randomly oriented fine and ordered coarse and ordered
Arjun
asked
in
Engineering Materials
Feb 17, 2018
by
Arjun
27.4k
points
gateme-2018-set2
1
answer
0
votes
GATE2018-2-12
Denoting $L$ as liquid and $M$ as solid in a phase-diagram with the subscripts representing different phases, a $\textit{eutectoid}$ reaction is described by $M_1 \rightarrow M_2+M_3$ $L_1 \rightarrow M_1+M_2$ $L_1+M_1 \rightarrow M_2$ $M_1 +M_2 \rightarrow M_3$
Arjun
asked
in
Engineering Materials
Feb 17, 2018
by
Arjun
27.4k
points
gateme-2018-set2
0
answers
0
votes
GATE2018-2-11
Select the correct statement for $50\%$ reaction stage in a steam turbine. The rotor blade is symmetric The stator blade is symmetric The absolute inlet flow angle is equal to absolute exit flow angle The absolute exit flow angle is equal to inlet angle of rotor blade
Arjun
asked
in
Applications
Feb 17, 2018
by
Arjun
27.4k
points
gateme-2018-set2
0
answers
0
votes
GATE2018-2-10
For an ideal gas with constant properties undergoing a quasi-static process, which one of the following represents the change of entropy $(\Delta s$) from state $1$ to $2$? $\Delta s = C_p \ln \bigg( \dfrac{T_2}{T_1} \bigg) - R \ln \bigg( \dfrac{P_2}{P_1} \bigg) \\$ ... $\Delta s = C_V \ln \bigg( \dfrac{T_2}{T_1} \bigg) + R \ln \bigg( \dfrac{V_1}{V_2} \bigg)$
Arjun
asked
in
Thermodynamics
Feb 17, 2018
by
Arjun
27.4k
points
gateme-2018-set2
0
answers
0
votes
GATE2018-2-9
The peak wavelength of radiation emitted by a black body at a temperature of $2000 \: K$ is $1.45 \: \mu m$. If the peak wavelength of emitted radiation changes to $2.90 \: \mu m$, then the temperature (in $K$) of the black body is $500$ $1000$ $4000$ $8000$
Arjun
asked
in
Heat Transfer
Feb 17, 2018
by
Arjun
27.4k
points
gateme-2018-set2
0
answers
0
votes
GATE2018-2-8
Pre-tensioning of a bolted joint is used to strain harden the bolt head decrease stiffness of the bolted joint increase stiffness of the bolted joint prevent yielding of the thread root
Arjun
asked
in
Machine Design
Feb 17, 2018
by
Arjun
27.4k
points
gateme-2018-set2
0
answers
0
votes
GATE2018-2-7
In a single degree of freedom underdamped spring-mass-damper system as shown in the figure, an additional damper is added in parallel such that the system still remains underdamped. Which one of the following statements is ALWAYS ... will increase Transmissibility will decrease Time period of free oscillations will increase Time period of free oscillations will decrease
Arjun
asked
in
Vibrations
Feb 17, 2018
by
Arjun
27.4k
points
gateme-2018-set2
0
answers
0
votes
GATE2018-2-4
If $y$ is the solution of the differential equation $y^3 \dfrac{dy}{dx}+x^3 = 0, \: y(0)=1,$ the value of $y(-1)$ is $-2$ $-1$ $0$ $1$
Arjun
asked
in
Differential Equations
Feb 17, 2018
by
Arjun
27.4k
points
gateme-2018-set2
differential-equations
0
answers
0
votes
GATE2018-2-3
Consider a function $u$ which depends on position $x$ and time $t$. The partial differential equation $\frac{\partial u}{\partial t} = \frac{\partial^2 u }{\partial x^2}$ is known as the Wave equation Heat equation Laplace's equation Elasticity equation
Arjun
asked
in
Differential Equations
Feb 17, 2018
by
Arjun
27.4k
points
gateme-2018-set2
differential-equations
partial-differential-equation
0
answers
0
votes
GATE2018-2-2
The divergence of the vector field $\overrightarrow{u}=e^x(\cos \: y\hat{i}+\sin \: y \hat{j})$ is $0$ $e^x \cos y + e^x \sin y$ $2e^x \cos y$ $2e^x \sin y$
Arjun
asked
in
Calculus
Feb 17, 2018
by
Arjun
27.4k
points
gateme-2018-set2
calculus
divergence-and-curl
0
answers
0
votes
GATE2018-2-6
A frictionless gear train is shown in the figure. The leftmost $12$-teeth gear is given a torque of $100 \: N-m$. The output torque from the $60$-teeth gear on the right in $N-m$ is $5$ $20$ $500$ $2000$
Arjun
asked
in
Machine Design
Feb 17, 2018
by
Arjun
27.4k
points
gateme-2018-set2
0
answers
0
votes
GATE2018-2-5
The minimum axial compressive load, $P$, required to initiate buckling for a pinned-pinned slender column with bending stiffness $EI$ and length $L$ is $P=\dfrac{\pi^2 EI}{4L^2} \\$ $P=\dfrac{\pi^2 EI}{L^2} \\$ $P=\dfrac{3\pi^2 EI}{4L^2} \\$ $P=\dfrac{4\pi^2 EI}{L^2}$
Arjun
asked
in
Mechanics of Materials
Feb 17, 2018
by
Arjun
27.4k
points
gateme-2018-set2
0
answers
0
votes
GATE2018-2-1
The Fourier cosine series for an even function $f(x)$ is given by $ f(x)=a_0 + \Sigma_{n=1}^\infty a_n \cos (nx).$ The value of the coefficient $a_2$ for the function $f(x)=\cos ^2 (x)$ in $[0, \pi]$ is $-0.5$ $0.0$ $0.5$ $1.0$
Arjun
asked
in
Calculus
Feb 17, 2018
by
Arjun
27.4k
points
gateme-2018-set2
calculus
fourier-series
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