Civil Engineering
GATE CE exam:gate PYQs
Build your understanding with focused practice from past exam papers.
Questions 221–230 of 1300. Imported answers require independent review unless marked reviewed.
Question 46
Open questionCEMSQ2 marksNeeds review
Organic fraction of municipal solid waste (OFMSW) with bulk density of 315 kg/m³ and water content of 30% is mixed with municipal sludge of bulk density 700 kg/m³ and water content of 70%, such that the water content of the mixture is 40%. The amount (in kg) of sludge to be mixed per kg of OFMSW (rounded off to 2 decimal places) and the density of the mixture (in kg/m³) (rounded off to the nearest integer) are calculated. Which of the following options is/are true:
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Open questionCEMSQ2 marksNeeds review
In the pin-jointed truss shown in the figure, the members that carry zero force are identified. Which of the following options is/are zero-force members?
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Open questionCENAT2 marksNeeds review
Let
be the solution of the initial value problem
, where
and
. Then,
is equal to ____________________ (rounded off to 1 decimal place).Log in to check the answer
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In the context of shear strength of soil, which of the following statements is/are CORRECT?
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Open questionCENAT2 marksNeeds review
The maximum value of the function
in the interval [-1,5] is equal to ____________________ (rounded off to 1 decimal place).Log in to check the answer
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Open questionCEMSQ2 marksNeeds review
The drag force,
on a sphere due to a fluid flow past the sphere is a function of viscosity,
, the mass density,
, the velocity of flow,
, and the diameter of the sphere,
.Pick the relevant (one or more) non-dimensional parameter(s) pertaining to the above process from the following list.
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Consider the differential equation given below. Using the Euler method with the step size (
) of 0.5, the value of
at
is equal to __________ (rounded off to 1 decimal place).Log in to check the answer
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A compound has a general formula CₐHᵦO꜀Nᵈ and molecular weight 187. A 935 mg/l solution of the compound is prepared in distilled deionized water. The Total Organic Carbon (TOC) is measured as 360 mg/l (as C). The Chemical Oxygen Demand (COD) and the Total Kjeldahl Nitrogen (TKN) are determined as 600 mg/l (as O₂) and 140 mg/l (as N), respectively (as per the chemical equation given below). Which of the following options is/are CORRECT?
CₐHᵦO꜀Nᵈ + ((4a + b − 2c − 3d)/4) O₂ → aCO₂ + ((b − 3d)/2) H₂O + dNH₃
Atomic weight: C(12), H(1), O(16), N(14)
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Open questionCENAT2 marksNeeds review
For the beam and loading shown in the figure, the second derivative of the deflection curve for the beam at the mid-point of AC is given by
. The value of
is ____________________ (rounded off to the nearest integer). 
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The free flow speed of a highway is 100 km/h and its capacity is 4000 vehicle/h. Assume speed density relation is linear.
For a traffic volume of 2000 vehicle/h, choose all the possible speeds (in km/h) from the options given below (round off to two decimal places).
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