Recent questions tagged gate2018-ce-2

22 22 votes
3 answers 3 answers
A faulty wall clock is known to gain $15$ minutes every $24$ hours. It is synchronized to the correct time at $9$ AM on $11$th July. What will be the correct time to the ...
6 6 votes
1 answers 1 answer
The annual average rainfall in a tropical city is $1000$ mm. On a particular rainy day ($24$-hour period), the cumulative rainfall experienced by the city is shown in the...
2 2 votes
1 answers 1 answer
In manufacturing industries, loss is usually taken to be proportional to the square of the deviation from a target. If the loss is Rs. $4900$ for a deviation of $7$ units...
12 12 votes
2 answers 2 answers
For non-negative integers, $a, b, c$, what would be the value of $a+b+c$ if $\log a + \log b + \log c = 0$?$3$$1$$0$$-1$
18 18 votes
3 answers 3 answers
Each of the letters in the figure below represents a unique integer from $1$ to $9$. The letters are positioned in the figure such that each of $(A+B+C), (C+D+E), (E+F+G)...
9 9 votes
2 answers 2 answers
Given that $\dfrac{\log P}{y-z} = \dfrac{\log Q}{z-x} = \dfrac{\log R}{x-y} = 10$ for $x \neq y \neq z$, what is the value of the product $PQR$?$0$$1$$xyz$$10^{xyz}$
2 2 votes
2 answers 2 answers
"Although it does contain some pioneering ideas, one would hardly characterize the work as _____."innovativesimpledullboring
2 2 votes
2 answers 2 answers
"His face ____ with joy when the solution of the puzzle was ___ to him."The words that best fill the blanks in the above sentence areshone, shownshone, shoneshown, shone...
5 5 votes
3 answers 3 answers
A three-member committee has to be formed from a group of $9$ people. How many such distinct committees can be formed?$27$$72$$81$$84$
21 21 votes
1 answers 1 answer
$\underbrace{a+a+a+ \dots +a}_{\text{n times}}=a^2b$ and $\underbrace{b+b+b+ \dots +b}_{\text{m times}} = ab^2$, where $a, b, n, m$ are natural numbers. What is the value...
0 0 votes
0 0 answers
An aerial photographer of a terrain having an average elevation of $1400$ m is taken at a scale of $1:7500$. The focal length of the camera is $15$ cm. The altitude of th...
0 0 votes
1 1 answer
A $7.5$ m wide two-lane road on a plain terrain is to be laid along a horizontal curve of radius $510$ m. For a design speed of $100$ kmph, super elevation is provided as...
0 0 votes
0 0 answers
The space mean speed (kmph) and density (vehicles/km) of a traffic stream are linearly related. The free flow speed and jam density are $80$ kmph and $100$ vehicles/km re...
0 0 votes
0 0 answers
A schematic flow diagram of a completely mixed biological reactor with provision for recycling of solids shown in the figure. $S_0$, $S$ = readily biodegradable soluble B...
0 0 votes
1 1 answer
A coal containing $2 \%$ sulfur is burned completely to ash in a brick kiln at a rate of $30$ kg/min. The sulfur content in the ash was found to be $6 \%$ of the initial ...
0 0 votes
1 1 answer
A flocculation tank contain $1800 \: m^3$ of water, which is mixed using paddles at an average velocity gradient $G$ of $100/s$. The water temperature and the correspondi...
0 0 votes
1 1 answer
At a small water treatment plant which has $4$ filters, the rates of filteration and backwashing are $200 \: m^3/d/m^2$ and $1000 m^3/d/m^2$, respectively. Backwashing is...
0 0 votes
0 0 answers
A three-fluid system (immiscible) is connected to a vacuum pump. The specific gravity values of the fluids ($S_1, \: S_2$) are given in the figure.The gauge pressure valu...
0 0 votes
1 1 answer
The total rainfall in a catchment of area $1000 \: km^2$, during a $6$ h storm, is $19$ cm. The surface runoff due to this storm computed from triangular direct runoff hy...
0 0 votes
1 1 answer
A rough pipe of $0.5$ m diameter, $300$ m length and roughness height of $0.25$ mm, carries water (kinematic viscosity $= 0.9 \times 10^{-6} \: m^2/s$) with velocity of $...
0 0 votes
0 0 answers
A $6$ m long simply-supported beam is prestressed as shown in the figure.The beam carries a uniformly distributed load of $6$ kN/m over its entire span. If the effective ...
0 0 votes
0 0 answers
A cable PQ of length $25$ m is supported at two ends at the same level as shown in the figure. The horizontal distance between the supports is $20$ m. A point load of $15...
0 0 votes
0 0 answers
A prismatic propped cantilever beam of span $L$ and plastic moment capacity $M_p$ is subjected to a concentrated load at its mid-span. If the collapse load of the beam is...
0 0 votes
2 2 answers
An $8$ m long simply-supported elastic beam of rectangular cross-section ($100$ mm $\times 200 $mm) is subjected to a uniformly distributed load of $10$ kN/m over its ent...
0 0 votes
1 1 answer
A prismatic beam P-Q-R of flexural rigidity $EI = 1 \times 10^4 kNm^2$ is subjected to a momemnt of $180 kNm$ at Q as shown in the figureThe rotation at Q (in rad. up to ...
0 0 votes
0 0 answers
The value (up to two decimal places) of a line integral $\int_C \overrightarrow{F}(\overrightarrow{r}) . d\overrightarrow{r}$, for $ \overrightarrow{F}(\overrightarrow{r...
0 0 votes
1 1 answer
The compression curve (void ratio $e$ vs. effective stress, $\sigma_v^{\text{'}}$ for a certain clayey soil is a straight line in a semi-logarithmic plot and it passes th...
0 0 votes
0 0 answers
The total horizontal and vertical stresses at a point X in a saturated sandy medium are $170$ kPa and $300$ kPa, respectively. The static pore-water pressure is $30$ kPa....
0 0 votes
0 0 answers
A group of nine piles in a $ 3 \times 3$ square pattern is embedded in a soil strata comprising dense sand underlying recently filled clay layer, as shown in the figure. ...
0 0 votes
0 0 answers
A singly-reinforced rectangular concrete beam of width $30$ mm and effective depth $400$ mm is to be designed using $M25$ grade concrete and $Fe500$ grade reinforcing ste...
0 0 votes
0 0 answers
In a $5$ m wide rectangular channel, the velocity $u$ distribution in the vertical direction $y$ is given by $u=1.25 y^{\frac{1}{6}}$. The distance $y$ is measured from t...
0 0 votes
0 0 answers
A $3$ m high vertical earth retaining wall retains a dry granular backfill with angle of internal friction of $30^{\circ}$ and unit weight of $20 \: kN/m^3$. If the wall...
0 0 votes
0 0 answers
Four bolts P, Q, R and S of equal diameter are used for a bracket subjected to a load of $130$ kN as shown in the figure.The force in bolt P is$32.50$ kN$69.32$ kN$82.50$...
0 0 votes
0 0 answers
The rank of the following matrix is $\\ \begin{pmatrix} 1 & 1 & 0 & -2 \\ 2 & 0 & 2 & 2 \\ 4 & 1 & 3 & 1 \end{pmatrix}$$1$$2$$3$$4$
0 0 votes
0 0 answers
Two rigid bodies of mass $5$ kg and $4$ kg are at rest on a frictionless surface until acted upon by a force of $36$ N as shown in the figure. The contact force generated...
0 0 votes
0 0 answers
Three soil specimens (Soil $1$, Soil $2$ and Soil $3$), each $150$ mm long and $100$ mm diameter, are placed in series in a instant head flow set-up as shown in the figur...
0 0 votes
0 0 answers
A car follows a slow moving truck (travelling at a speed of $10$ m/s) on a two-lane two-way highway. The car reduces its speed to $10$ m/s and follows the truck maintaini...
0 0 votes
0 0 answers
A level instrument at a height of $1.320$ m has been placed at a station having a Reduced Level (RL) of $112.565$ m. The instrument reads $-2.835$ m on a levelling staff ...
0 0 votes
0 0 answers
The initial concavity in the load-penetration curve of a CBR test is NOT due touneven top surfacehigh impact at start of loadinginclined penetration plungersoft top layer...
0 0 votes
0 0 answers
The Laplace transform $F(s)$ of the exponential function, $f(t) = e^{at}$ when $t \geq 0$, where $a$ is a constant and $(s-a) >0$, is$\dfrac{1}{s+a} \\$$\dfrac{1}{s-a} \\...