Recent questions tagged gate2019-ce-1 / GO Civil

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41

GATE2019 CE-1: 23
The probability that the annual maximum flood discharge will exceed $25000 \: m^3/s$, at least once in next $5$ years is found to be $0.25$. The return period of this flood event (in years, round off to $1$ decimal place is __________

The probability that the annual maximum flood discharge will exceed $25000 \: m^3/s$, at least once in next $5$ years is found to be $0.25$. The return period of this flo...

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42

GATE2019 CE-1: 24
A soil has specific gravity of its solids equal to $2.65$. The mass density of water is $1000 \: kg/m^3$. Considering zero air voids and $10 \%$ moisture content of the soil sample, the dry density (in $kg /m^3$, round off to $1$ decimal place) would be ______

A soil has specific gravity of its solids equal to $2.65$. The mass density of water is $1000 \: kg/m^3$. Considering zero air voids and $10 \%$ moisture content of the s...

Arjun

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43

GATE2019 CE-1: 28
A rectangular open channel has a width of $5 \: m$ and a bed slope of $0.001$. For a uniform flow of depth $2 \: m$, the velocity is $2 \: m/s$. The Manning’s roughness coefficient for the channel is $0.002$ $0.017$ $0.033$ $0.050$

A rectangular open channel has a width of $5 \: m$ and a bed slope of $0.001$. For a uniform flow of depth $2 \: m$, the velocity is $2 \: m/s$. The Manning’s roughness...

Arjun

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44

GATE2019 CE-1: 31
The cross-section of a built-up wooden beam as shown in the figure (not drawn to scale) is subjected to a vertical shear force of $8 \: kN$. The beam is symmetrical about the neural axis (N.A.) shown, and the moment of inertia about N.A. is $1.5 \times 10^9 \: mm^4$. ... , each of the nails at P will be subjected to the shear force of $60 \: N$ $120 \: N$ $240 \: N$ $480 \: N$

The cross-section of a built-up wooden beam as shown in the figure (not drawn to scale) is subjected to a vertical shear force of $8 \: kN$. The beam is symmetrical about...

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45

GATE2019 CE-1: 35
A survey line was measured to be $285.5 \: m$ with a tape having a nominal length of $30 \: m$. On checking, the true length of the tape was found to be $0.05 \: m$ too short. If the line lay on a slope of $1$ in $10$, the reduced length (horizontal length) of the line for plotting of survey work would be $283.6 \: m$ $284.5 \: m$ $285.0 \: m$ $285.6 \: m$

A survey line was measured to be $285.5 \: m$ with a tape having a nominal length of $30 \: m$. On checking, the true length of the tape was found to be $0.05 \: m$ too ...

Arjun

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46

GATE2019 CE-1: 36
A $16 \: mm$ thick gusset plate is connected to the $12 \: mm$ thick flange plate of an I-section using fillet welds on both sides as shown in the figure (not drawn to scale). The gusset plate is subjected to a point load of $350 \: kN$ ... $1$ decimal place) on the fillet weld along the vertical plane would be _______

A $16 \: mm$ thick gusset plate is connected to the $12 \: mm$ thick flange plate of an I-section using fillet welds on both sides as shown in the figure (not drawn to sc...

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47

GATE2019 CE-1: 37
The network of a small construction project awarded to a contractor is shown in the following figure. The normal duration, crash duration, normal cost, and crash cost of all the activities are shown in the table. The indirect cost incurred by the contractor is ... is targeted for completion in $16$ days, the total cost (in INR) to be incurred by the contractor would be _______

The network of a small construction project awarded to a contractor is shown in the following figure. The normal duration, crash duration, normal cost, and crash cost of ...

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48

GATE2019 CE-1: 38
A box measuring $50 \: cm \times 50 \: cm \times 50 \: cm$ is filled to the top with dry coarse aggregate of mass $187.5 \: kg$. The water absorption and specific gravity of the aggregate are $0.5 \%$ and $2.5,$ respectively. The maximum quantity of water (in kg, round off to $2$ decimal places) required to fill the box completely is __________

A box measuring $50 \: cm \times 50 \: cm \times 50 \: cm$ is filled to the top with dry coarse aggregate of mass $187.5 \: kg$. The water absorption and specific gravity...

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49

GATE2019 CE-1: 39
A portal frame shown in figure (not drawn to scale) has a hinge support at joint P and a roller support at joint R. A point load of $50 \: kN$ is acting at joint in R in the horizontal direction. The flexural rigidity. EI, of each number is $10^6 \: kNm^2$. Under the applied load, the horizontal displacement (in mm, round off to $1$ decimal place) of joint R would be _________

A portal frame shown in figure (not drawn to scale) has a hinge support at joint P and a roller support at joint R. A point load of $50 \: kN$ is acting at joint in R in ...

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50

GATE2019 CE-1: 40
A sample of air analysed at $0^{\circ} C$ and $1 \: atm$ pressure is reported to contain $0.02 \: ppm$ (parts per million) of $NO_2$. Assume the gram molecular mass of $NO_2$ as $46$ and its volume at $0^{\circ} C$ and $1 \: atm$ pressure as $22.4$ litres per mole. The equivalent $NO_2$ concentration (in microgram per cubic meter, round off to $2$ decimal places) would be ________

A sample of air analysed at $0^{\circ} C$ and $1 \: atm$ pressure is reported to contain $0.02 \: ppm$ (parts per million) of $NO_2$. Assume the gram molecular mass of $N...

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51

GATE2019 CE-1: 41
A $0.80 \: m$ deep bed of sand filter (length $4 \:m $ and width $3 \: m$) is made of uniform particles (diameter $=0.40 \: mm$, specific gravity $=2.65$, shape factor $=0.85$) with bed porosity of $0.4$. The bed has to be backwashed at ... the terminal settling velocity of sand particles is $0.05 \: m/s$, the expanded bed depth (in $m$ round off to $2$ decimal places) is _______

A $0.80 \: m$ deep bed of sand filter (length $4 \:m $ and width $3 \: m$) is made of uniform particles (diameter $=0.40 \: mm$, specific gravity $=2.65$, shape factor $=...

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52

GATE2019 CE-1: 42
A wastewater is to be disinfected with $35 \: mg/L$ of chlorine to obtain $99 \%$ kill of micro-organisms. The number of micro-organisms remaining alive $(N_t)$ at time $t$, is modelled by $N_t=N_o e^{-kt}$, where $N_o$ is number of micro-microorganisms at $t=0$, ... $1.0 \: m$, respectively, the length of the tank (in $m$, round off to $2$ decimal places) is ________

A wastewater is to be disinfected with $35 \: mg/L$ of chlorine to obtain $99 \%$ kill of micro-organisms. The number of micro-organisms remaining alive $(N_t)$ at time $...

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53

GATE2019 CE-1: 43
A staff is placed on a benchmark (BM) of reduced level (RL) $100.000 \: m$ and a theodolite is placed at a horizontal distance of $50 \: m$ from the BM to measure the vertical angles. The measured vertical angles from the horizontal at the staff readings of ... the same. Taking the height of the instrument as $1.400 \: m$, the RL (in $m$) of the theodolite station is ____________

A staff is placed on a benchmark (BM) of reduced level (RL) $100.000 \: m$ and a theodolite is placed at a horizontal distance of $50 \: m$ from the BM to measure the ver...

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54

GATE2019 CE-1: 44
Consider the ordinary differential equation $x^2 \dfrac{d^2y}{dx^2} – 2x \dfrac{dy}{dx} +2y=0$. Given the values of $y(1)=0$ and $y(2)=2$, the value of $y(3)$ (round off to $1$ decimal place), is _________

Consider the ordinary differential equation $x^2 \dfrac{d^2y}{dx^2} – 2x \dfrac{dy}{dx} +2y=0$. Given the values of $y(1)=0$ and $y(2)=2$, the value of $y(3)$ (round of...

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55

GATE2019 CE-1: 45
Average free flow speed and the jam density observed on a road stretch are $60 \: km/h$ and $120$ vehicles/km, respectively. For a linear speed-density relationship, the maximum flow on the road stretch (in vehicles/h) is _______

Average free flow speed and the jam density observed on a road stretch are $60 \: km/h$ and $120$ vehicles/km, respectively. For a linear speed-density relationship, the ...

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56

GATE2019 CE-1: 46
Traffic on a highway is moving at a rate of $360$ vehicles per hour at a location. If the number of vehicles arriving on this highway follows Poisson distribution, the probability (round off to $2$ decimal places) that the headway between successive vehicles lies between $6$ and $10$ seconds is ________

Traffic on a highway is moving at a rate of $360$ vehicles per hour at a location. If the number of vehicles arriving on this highway follows Poisson distribution, the pr...

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57

GATE2019 CE-1: 47
A parabolic vertical curve is being designed to join a road of grade $+5 \%$ with a road of grade $-3 \%$. The length of the vertical curve is $400 \: m$ measured along the horizontal. The vertical point of curvature (VPC) is located on the ... $m$, round off to the nearest integer) is _________

A parabolic vertical curve is being designed to join a road of grade $+5 \%$ with a road of grade $-3 \%$. The length of the vertical curve is $400 \: m$ measured along t...

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58

GATE2019 CE-1: 48
Tie bars of $12 \: mm$ diameter are to be provided in a concrete pavement slab. The working tensile stress of the tie bars is $230 \: MPa$, the average bond strength between a tie bar and concrete is $2 \: MPa$, and the joint gap between the slabs ... loss of bond and the tolerance factor, the design length of the tie bars (in $mm$, round off to the nearest integer) is ________

Tie bars of $12 \: mm$ diameter are to be provided in a concrete pavement slab. The working tensile stress of the tie bars is $230 \: MPa$, the average bond strength betw...

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59

GATE2019 CE-1: 49
The hyetograph of a storm event of duration $140$ minutes is shown in the figure: The infiltration capacity at the start of this event $(t=0)$ is $17 \: mm/hour$, which linearly decreases to $10 \: mm/hour$ after $40$ minutes duration. As the event ... of the storm event. The value of the infiltration index, $\phi$ (in $mm/hour$ round off to $2$ decimal places), is _____________

The hyetograph of a storm event of duration $140$ minutes is shown in the figure:The infiltration capacity at the start of this event $(t=0)$ is $17 \: mm/hour$, which li...

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60

GATE2019 CE-1: 50
Two water reservoirs are connected by a siphon (running full) of total length $5000$ m and diameter of $1.10$ m, as shown below (figure not drawn to scale). The inlet leg length of the siphon to its summit is $2000$ m. The difference in the water surface ... of the summit of siphon from the water level of upper reservoir, $h$ (in m, round off to $1$ decimal place) is ______

Two water reservoirs are connected by a siphon (running full) of total length $5000$ m and diameter of $1.10$ m, as shown below (figure not drawn to scale).The inlet leg ...

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61

GATE2019 CE-1: 51
Consider a laminar flow in the x-direction between two infinite parallel plates (Couette flow). The lower plate is stationary and the upper plate is moving with a velocity of $1 \: cm/s$ in the x-direction. The distance between the plates is $5 \: mm$ and the dynamic viscosity ... $\dfrac {\partial p}{\partial x}$, (in $N/m^2$ per $m$, round off to $1$ decimal place) is _________

Consider a laminar flow in the x-direction between two infinite parallel plates (Couette flow). The lower plate is stationary and the upper plate is moving with a velocit...

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62

GATE2019 CE-1: 52
A reinforced concrete circular pile of $12 \: m$ length and $0.6 \: m$ diameter is embedded in stiff clay which has an undrained unit cohesion of $110 \: kN/m^2$. The adhesion factor is $0.5$. The Net Ultimate Pullout (uplift) Load for the pile (in $kN$, round off to $1$ decimal place) is __________

A reinforced concrete circular pile of $12 \: m$ length and $0.6 \: m$ diameter is embedded in stiff clay which has an undrained unit cohesion of $110 \: kN/m^2$. The adh...

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63

GATE2019 CE-1: 53
A granular soil has a saturated unit weight of $20 \:kN/m^3$ and an effective angle of shearing resistance of $30^{\circ}$. The unit weight of water is $9.81 \: kN/m^3$. A slope is to be made on this soil deposit in which the seepage occurs ... seepage condition for a factor of safety of $1.5$, the safe slope angle (in degree, round off to $1$ decimal place) would be ________

A granular soil has a saturated unit weight of $20 \:kN/m^3$ and an effective angle of shearing resistance of $30^{\circ}$. The unit weight of water is $9.81 \: kN/m^3$. ...

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64

GATE2019 CE-1: 54
A $3 \: m \times 3 \: m$ square precast reinforced concrete segments to be installed by pushing them through an existing railway embankment for making an underpass as shown in the figure. A reaction arrangement using precast PCC blocks placed on the ground ... the same properties that of soil, the factor of safety (round off to $1$ decimal place) against shear failure is ________

A $3 \: m \times 3 \: m$ square precast reinforced concrete segments to be installed by pushing them through an existing railway embankment for making an underpass as sho...

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65

GATE2019 CE-1: 55
A square footing of $ 4 \: m$ side is placed at $1 \: m$ depth in a sand deposit. The dry unit weight $( \gamma)$ of sand is $15 \: kN/m^3$. This footing has an ultimate bearing capacity of $600 \: kPa$ ... deposit. For a factor of safety of $3.0$ as per Terzaghi's theory, the safe bearing capacity (in $kPa$) of this footing would be _________

A square footing of $ 4 \: m$ side is placed at $1 \: m$ depth in a sand deposit. The dry unit weight $( \gamma)$ of sand is $15 \: kN/m^3$. This footing has an ultimate ...

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Arjun asked Feb 14, 2019