GO Mechanical

0 votes

0 answers

GATE2020-ME-1-GA: 1
He is known for his unscrupulous ways. He always sheds ________tears to deceive people. fox’s crocodile’s crocodile fox

asked 4 days ago in General Aptitude by jothee (1.4k points)

0 votes

0 answers

GATE2020-ME-1-GA: 2
Jofra Archer, the England fast bowler, is _______than accurate. more fast faster less fast more faster

asked 4 days ago in General Aptitude by jothee (1.4k points)

0 votes

0 answers

GATE2020-ME-1-GA: 3
Select the word that fits the analogy: Build : Building :: Grow : ________ Grown Grew Growth Growed

asked 4 days ago in General Aptitude by jothee (1.4k points)

0 votes

0 answers

GATE2020-ME-1-GA: 4
I do not think you know the case well enough to have opinions. Having said that, I agree with your other point. What does the phrase “having said that” mean in the given text? as opposed to what I have said despite what I have said in addition to what I have said contrary to what I have said

asked 4 days ago in General Aptitude by jothee (1.4k points)

0 votes

0 answers

GATE2020-ME-1-GA: 5
Define $\text{[x]}$ as the greatest integer less than or equal to $\text{x}$, for each $x\in \left (- \infty, \infty \right ).$ If $\text{y = [x]}$, then area under $\text{y}$ for $x\in \left [ 1,4 \right ]$ is _______. $1$ $3$ $4$ $6$

asked 4 days ago in General Aptitude by jothee (1.4k points)

0 votes

0 answers

GATE2020-ME-1-GA: 6
Crowd funding deals with mobilisation of funds for a project from a large number of people, who would be willing to invest smaller amounts through web-based platforms in the project. Based on the above paragraph, which of the ... platforms. Funds raised through coerced contributions on web-based platforms. Funds raised through voluntary contribution on web-based platforms.

asked 4 days ago in General Aptitude by jothee (1.4k points)

0 votes

0 answers

GATE2020-ME-1-GA: 7
$\text{P, Q, R and S}$ are to be uniquely coded using $\alpha$ and $\beta$. If $\text{P}$ is coded as $\alpha \alpha$ and $\text{Q}$ as $\alpha \beta$ , then $\text{R and S}$, respectively, can be coded as ________. $\beta \alpha \:and\:\alpha \beta$ $\beta \beta \:and\:\alpha \alpha$ $\alpha \beta\:and\:\beta \beta$ $\beta\alpha \:and\:\beta \beta$

asked 4 days ago in General Aptitude by jothee (1.4k points)

0 votes

0 answers

GATE2020-ME-1-GA: 8
The sum of the first $\text{n}$ terms in the sequence $8,\:88,\:888,\:8888,\:…$ is ________. $\frac{81}{80}\left ( 10^{n}-1 \right )+\frac{9}{8}n$ $\frac{81}{80}\left ( 10^{n}-1 \right )-\frac{9}{8}n$ $\frac{80}{81}\left ( 10^{n}-1 \right )+\frac{8}{9}n$ $\frac{80}{81}\left ( 10^{n}-1 \right )-\frac{8}{9}n$

asked 4 days ago in General Aptitude by jothee (1.4k points)

0 votes

0 answers

GATE2020-ME-1-GA: 9
Select the graph that schematically represents $\text{BOTH}$ $y=x^{m}\:and\:y=x^{1/m}$ properly in the interval $0\leq x\leq 1$, for integer values of $\text{m}$, where $\text{m > 1}$.

asked 4 days ago in General Aptitude by jothee (1.4k points)

0 votes

0 answers

GATE2020-ME-1-GA: 10
The bar graph shows the data of the students who appeared and passed in an examination for four schools $\text{P, Q, R and S}$. The average of success rates $\text{(in percentage)}$ of these four schools is _______. $58.5$% $58.8$% $59.0$% $59.3$%

asked 4 days ago in General Aptitude by jothee (1.4k points)

0 votes

0 answers

GATE2020-ME-1: 1
Multiplication of real valued square matrices of same dimension is associative commutative always positive definite not always possible to compute

asked 4 days ago in Others by jothee (1.4k points)

0 votes

0 answers

GATE2020-ME-1: 2
The value of $\lim_{x\rightarrow 1}\left ( \frac{1 -e^{-c\left ( 1-x \right )}}{1-x\:e^{-c\left ( 1-x \right )}} \right )$ is $\text{c}$ $\text{c + 1}$ $\frac{c}{c+1}$ $\frac{c+1}{c}$

asked 4 days ago in Others by jothee (1.4k points)

0 votes

0 answers

GATE2020-ME-1: 3
The Laplace transform of a function $\text{f(t)}$ is $L\left ( f \right )=\frac{1}{s^{2}+\omega ^{2}}.$ Then, $\text{f(t)}$ is $f\left ( t \right )=\frac{1}{\omega ^{2}}\left ( 1-\cos\:\omega t \right )$ ... $f\left ( t \right )=\frac{1}{\omega^{2}}\left ( 1-\sin\:\omega t \right )$

asked 4 days ago in Others by jothee (1.4k points)

0 votes

0 answers

GATE2020-ME-1: 4
Which of the following function $\text{f(z)}$, of the complex variable $\text{z}$, is $\text{NOT}$ analytic at all the points of the complex plane? $f\left ( z \right )=z^{2}$ $f\left ( z \right )=e^{z}$ $f\left ( z \right )=\sin\:z$ $f\left ( z \right )=\log\:z$

asked 4 days ago in Others by jothee (1.4k points)

0 votes

0 answers

GATE2020-ME-1: 5
The members carrying zero force (i.e. zero-force members) in the truss shown in the figure, for any load $\text{P > 0}$ with no appreciable deformation of the truss (i.e. with no appreciable change in angles between the members), are $\text{BF and DH only}$ $\text{BF, DH and GC only}$ $\text{BF, DH, GC, CD and DE only}$ $\text{BF, DH, GC, FG and GH only}$

asked 4 days ago in Others by jothee (1.4k points)

0 votes

0 answers

GATE2020-ME-1: 6
A single-degree-of-freedom oscillator is subjected to harmonic excitation $F\left ( t \right )=F_{0}\cos\left ( \omega t \right )$ as shown in the figure. The non-zero value of $\omega$, for which the amplitude of the force transmitted to the ground will be $F_{0}$, is $\sqrt{\frac{k}{2m}}$ $\sqrt{\frac{k}{m}}$ $\sqrt{\frac{2k}{m}}$ $2\sqrt{\frac{k}{m}}$

asked 4 days ago in Others by jothee (1.4k points)

0 votes

0 answers

GATE2020-ME-1: 7
The stress state at a point in a material under plane stress condition is equi-biaxial tension with a magnitude of $\text{10 MPa}$. If one unit on the $\sigma -\tau$ plane is $\text{1 MPa}$, the Mohr's circle representation of the state-of-stress is given by a ... of $10$ units on the $\sigma -\tau$ plane a point on the $\tau$ axis at a distance of $10$ units from the origin

asked 4 days ago in Others by jothee (1.4k points)

0 votes

0 answers

GATE2020-ME-1: 8
A four bar mechanism is shown below. For the mechanism to be a crank-rocker mechanism, the length of the link $\text{PQ}$ can be $\text{80 mm}$ $\text{200 mm}$ $\text{300 mm}$ $\text{350 mm}$

asked 4 days ago in Others by jothee (1.4k points)

0 votes

0 answers

GATE2020-ME-1: 9
A helical gear with $20^{\circ}$ pressure angle and $30^{\circ}$ helix angle mounted at the mid- span of a shaft that is supported between two bearings at the ends. The nature of the stresses induced in the shaft is normal stress due to bending ... in two planes and axial loading; shear stress due to torsion normal stress due to bending in two planes; shear stress due to torsion

asked 4 days ago in Others by jothee (1.4k points)

0 votes

0 answers

GATE2020-ME-1: 10
The crystal structure of $\gamma$ iron $\text{(austenite phase)}$ is $\text{BCC}$ $\text{FCC}$ $\text{HCP}$ $\text{BCT}$

asked 4 days ago in Others by jothee (1.4k points)

0 votes

0 answers

GATE2020-ME-1: 11
Match the following ... $P-3,\:Q-3,\:R-1\:,S-3$ $P-4,\:Q-3,\:R-2\:,S-1$

asked 4 days ago in Others by jothee (1.4k points)

0 votes

0 answers

GATE2020-ME-1: 12
The base of a brass bracket needs rough grinding. For this purpose, the most suitable grinding wheel grade specification is $\text{C30Q12V}$ $\text{A50G8V}$ $\text{C90J4B}$ $\text{A30D12V}$

asked 4 days ago in Others by jothee (1.4k points)

0 votes

0 answers

GATE2020-ME-1: 13
In the Critical Path Method $\text{(CPM)}$, the cost-time slope of an activity is given by $\frac{Crash\:Cost-Normal\:Cost}{Crash\:Time}$ $\frac{Normal\:Cost}{Crash\:Time-Normal\:Time}$ $\frac{Crash\:Cost}{Crash\:Time-Normal\:Time}$ $\frac{Crash\:Cost-Normal\:Cost}{Normal\:Time-Crash\:Time}$

asked 4 days ago in Others by jothee (1.4k points)

0 votes

0 answers

GATE2020-ME-1: 14
Froude number is the ratio of buoyancy forces to viscous forces inertia forces to viscous forces buoyancy forces to inertia forces inertia forces to gravity forces

asked 4 days ago in Others by jothee (1.4k points)

0 votes

0 answers

GATE2020-ME-1: 15
Match the following non-dimensional numbers with the corresponding definitions: ... $P-3, Q-1, R-2, S-4$ $P-4, Q-3, R-1, S-2$ $P-3, Q-1, R-4, S-2$

asked 4 days ago in Others by jothee (1.4k points)

0 votes

0 answers

GATE2020-ME-1: 16
The velocity field of an incompressible flow in a Cartesian system is represented by $\overrightarrow{V}=2\left ( x^{2}-y^{2} \right )\widehat{i}+v\widehat{j}+3\widehat{k}$ Which one of the following expressions for $\text{v}$ is valid? $\text{-4xz + 6xy}$ $\text{-4xy – 4xz}$ $\text{4xz – 6xy}$ $\text{4xy + 4xz}$

asked 4 days ago in Others by jothee (1.4k points)

0 votes

0 answers

GATE2020-ME-1: 17
For an ideal gas, the value of the Joule-Thomson coefficient is positive negative zero indeterminate

asked 4 days ago in Others by jothee (1.4k points)

0 votes

0 answers

GATE2020-ME-1: 18
For an ideal gas, a constant pressure line and a constant volume line intersect at a point, in the Temperature $\text{(T)}$ versus specific entropy $\text{(s)}$ diagram. $C_{P}$ is the specific heat at constant pressure and $C_{V}$ is the specific heat at constant volume. The ratio of the slopes ... $\frac{C_{P}}{C_{V}}$ $\frac{C_{P}-C_{V}}{C_{V}}$ $\frac{C_{V}}{C_{P}}$

asked 4 days ago in Others by jothee (1.4k points)

0 votes

0 answers

GATE2020-ME-1: 19
For three vectors $\overrightarrow{A}=2\widehat{j}-3\widehat{k},\:\overrightarrow{B}=-2\widehat{i}+\widehat{k}\:and\:\overrightarrow{C}=3\widehat{i}-\widehat{j},\:where\:\widehat{i},\:\widehat{j}\:and\:\widehat{k}$ are unit vectors along the ... , the value of $\left ( \overrightarrow{A}.\left ( \overrightarrow{B}\times \overrightarrow{C} \right )+6 \right )$ is _____________.

asked 4 days ago in Others by jothee (1.4k points)

0 votes

0 answers

GATE2020-ME-1: 20
A flywheel is attached to an engine to keep its rotational speed between $\text{100 rad/s}$ and $\text{110 rad/s}$. If the energy fluctuation in the flywheel between these two speeds is $\text{1.05 kJ}$ then the moment of inertia of the flywheel is _______________ $\text{kg}$.$m^{2}$ (rounded off to $2$ decimal places).

asked 4 days ago in Others by jothee (1.4k points)

0 votes

0 answers

GATE2020-ME-1: 21
A balanced rigid disc mounted on a rigid rotor has four identical point masses, each of $\text{10 grams}$, attached to four points on the $\text{100 mm}$ radius circle shown in the figure. The rotor is driven bt a motor at uniform angular ... then the magnitude of the resultant unbalance force on the rotor is ____________________$\text{N}$ (rounded off to $2$ decimal places).

asked 4 days ago in Others by jothee (1.4k points)

0 votes

0 answers

GATE2020-ME-1: 22
A sheet metal with a stock hardness of $\text{250 HRC}$ has to be sheared using a punch and a die having a clearance of $\text{1 mm}$ between them. If the stock hardness of the sheet metal increases to $\text{400 HRC}$, the clearance between the punch and the die should be _____________$\text{mm}.$

asked 4 days ago in Others by jothee (1.4k points)

0 votes

0 answers

GATE2020-ME-1: 23
A company is hiring to fill four managerial vacancies. The candidates are five men and three women. If every candidate is equally likely to be chosen then the probability that at least one woman will be selected is __________(round off to $2$ decimal places).

asked 4 days ago in Others by jothee (1.4k points)

0 votes

0 answers

GATE2020-ME-1: 24
The compressor of a gas turbine plant, operating on an ideal intercooled Brayton cycle, accomplishes an overall compression ratio of $6$ in a two-stage compression process. Intercooling is used to cool the air coming out from the first stage to the ... , the intercooling pressure for minimum compressor work is ___________________ $\text{kPa}$ (rounded off to $2$ decimal places).

asked 4 days ago in Others by jothee (1.4k points)

0 votes

0 answers

GATE2020-ME-1: 25
In a concentric tube counter-flow heat exchanger, hot oil enters at $102^{\circ}C$ and leaves at $65^{\circ}C$. Cold water enters at $25^{\circ}C$ and leaves at $42^{\circ}C$. The log mean temperature difference $\text{(LMTD)}$ is ____________________ $^{\circ}C$ (round off to one decimal place).

asked 4 days ago in Others by jothee (1.4k points)

0 votes

0 answers

GATE2020-ME-1: 26
The evaluation of the definite integral $\int ^{1.4}_{-1}x\left | x \right |\:dx$ by using Simpson’s $1/3^{rd}$ (one- third) rule with step size $h=0.6$ yields $0.914$ $1.248$ $0.581$ $0.592$

asked 4 days ago in Others by jothee (1.4k points)

0 votes

0 answers

GATE2020-ME-1: 27
A vector field is defined as ... shell formed by two concentric spheres with origin as the center, and internal and external radii of $1$ and $2$, respectively, is $0$ $2\pi$ $4\pi$ $8\pi$

asked 4 days ago in Others by jothee (1.4k points)

0 votes

0 answers

GATE2020-ME-1: 28
Bars of square and circular cross-section with $\text{0.5 m}$ length are made of a material with shear strength of $\text{20 MPa}$. The square bar cross-section dimension is $4\:cm \times$ $4\:cm$ and the cylindrical ... the applied load as per maximum shear stress theory? Tensile and compressive load specimens Torsional load specimen Bending load specimen None of the specimens

asked 4 days ago in Others by jothee (1.4k points)

0 votes

0 answers

GATE2020-ME-1: 29
The $2$ kg block shown in the figure (top view) rests on a smooth horizontal surface and is attached to a massless elastic cord that has a stiffness $\text{5 N/m}$. The cord hinged at $\text{O}$ ... of the block at the instant the cord is stretched by $\text{0.4 m}$ is $0.83$ $1.07$ $1.36$ $1.50$

asked 4 days ago in Others by jothee (1.4k points)

0 votes

0 answers

GATE2020-ME-1: 30
The truss shown in the figure has four members of length $\text{l}$ and flexural rigidity $\text{EI}$, and one member of length $l\sqrt{2}$ and flexural rigidity $\text{4EI}$. The truss is loaded by a pair of forces of magnitude $\text{P}$ ... $\frac{\pi ^{2}EI}{l^{2}}$ $\frac{2\pi ^{2}EI}{l^{2}}$ $\frac{\pi ^{2}EI}{2l^{2}}$

asked 4 days ago in Others by jothee (1.4k points)

To see more, click for the full list of questions or popular tags.

Follow @csegate

GO

Recent questions and answers

1,247 questions

70 answers

21 comments

3,135 users