OpenMentor Logo
GATE-openmentor
Type:

General Aptitude

9 Questions
GATE→2022→General Aptitude→Verbal Ability
Q1
MCQ[1 Mark]
You should ___ when to say ___.
GATE→2022→General Aptitude→Quantitative Aptitude
Q2
MCQ[1 Mark]
Two straight lines pass through the origin (0,0)(0,0). One of them passes through (1,3)(1,3) and the other through (1,2)(1,2). What is the area enclosed between the straight lines in the interval [0,1][0, 1] on the x-axis?
GATE→2022→General Aptitude→Quantitative Aptitude
Q3
MCQ[1 Mark]
If p:q=1:2p:q = 1:2, q:r=4:3q:r = 4:3, r:s=4:5r:s = 4:5 and uu is 50% more than ss, what is the ratio p:up:u?
GATE→2022→General Aptitude→Verbal Ability
Q4
MCQ[1 Mark]
Based on the given family relations, T is ___ of S.
GATE→2022→General Aptitude→Quantitative Aptitude
Q5
MCQ[1 Mark]
Relation among the areas of the squares PXWR, RUVZ and SPQT based on the tangential properties of the circle with center R.
Figure for Question 5
GATE→2022→General Aptitude→Verbal Ability
Q6
MCQ[2 Marks]
Which one of the following is the CORRECT logical inference based on the information in the passage?
GATE→2022→General Aptitude→Quantitative Aptitude
Q7
MCQ[2 Marks]
P invested 5000 per month for 6 months and Q invested xx per month for 8 months. If Q receives 4/94/9 of total profit, what is the value of xx?
GATE→2022→General Aptitude→Quantitative Aptitude
Q8
MCQ[2 Marks]
From the frequency distribution chart of student marks, which one of the following is CORRECT?
Figure for Question 8
GATE→2022→General Aptitude→Quantitative Aptitude
Q9
MCQ[2 Marks]
Grid movement path puzzle from P2 to P5 following knight-like step constraints without occupying shaded squares. Minimum steps required is
Figure for Question 9

Engineering Mathematics

9 Questions
GATE→2022→Engineering Mathematics→Partial Differential Equations (PDE)
Q10
MCQ[1 Mark]
Consider the expression z=sin⁡(y+it)+cos⁡(y−it)z = \sin(y + it) + \cos(y - it) where i=−1i = \sqrt{-1}. The partial differential equation derived from this expression is
GATE→2022→Engineering Mathematics→Ordinary Differential Equations (ODE)
Q11
MCQ[1 Mark]
For the equation d3ydx3+x(dydx)3/2+x2y=0\frac{d^3 y}{dx^3} + x \left(\frac{dy}{dx}\right)^{3/2} + x^2 y = 0, the correct description is
GATE→2022→Engineering Mathematics→Linear Algebra
Q12
MSQ[1 Mark]
Matrix M has eigenvalues 5 and 2. Form Q=M3−4M2−2MQ = M^3 - 4M^2 - 2M. Which of the following is/are eigenvalue(s) of Q?
GATE→2022→Engineering Mathematics→Numerical Methods
Q13
NAT[1 Mark]
Recursive Newton-Raphson iteration for square root with initial guess x1=1x_1=1 and P=10P=10. The numerical value of x5x_5 is
GATE→2022→Engineering Mathematics→Partial Differential Equations (PDE)
Q14
NAT[1 Mark]
For f(x)=cos⁡4xf(x) = \cos^4 x expressed as Fourier cosine series ∑fncos⁡nx\sum f_n \cos nx, numerical value of (f4+f5)(f_4 + f_5) is
GATE→2022→Engineering Mathematics→Linear Algebra
Q15
MCQ[2 Marks]
Cartesian coordinates of point P are (1,1,1)(1,1,1). Transformed coordinates due to 45∘45^{\circ} clockwise rotation about positive x-axis are
GATE→2022→Engineering Mathematics→Calculus
Q16
MSQ[2 Marks]
For the function f(x)=max⁡{3−x,x−1}f(x) = \max\{3-x, x-1\}, which statement(s) is/are TRUE?
GATE→2022→Engineering Mathematics→Numerical Methods
Q17
NAT[2 Marks]
Differential equation dydx=4(x+2)−y\frac{dy}{dx} = 4(x+2) - y with y=3y=3 at x=1x=1. Value of yy at x=1.4x=1.4 using Euler's method with step-size h=0.2h=0.2 is
GATE→2022→Engineering Mathematics→Probability and Statistics
Q18
NAT[2 Marks]
Linear regression model y=a+bxy = a + bx has intercept a=6.1a = 6.1 for given (x,y)(x, y) data points. Coefficient bb is

Structural Engineering

10 Questions
GATE→2022→Structural Engineering→Solid Mechanics
Q19
MCQ[1 Mark]
The hoop stress at a point on the surface of a thin cylindrical pressure vessel is 30.0 MPa. The value of maximum shear stress at this point is
GATE→2022→Structural Engineering→Concrete Structures
Q20
MCQ[1 Mark]
In the context of elastic theory of reinforced concrete, the modular ratio is defined as the ratio of
GATE→2022→Structural Engineering→Solid Mechanics
Q21
MCQ[1 Mark]
Consider the cross-section of a beam made up of thin uniform elements. The coordinates of the shear center of this cross-section are:
Figure for Question 21
GATE→2022→Structural Engineering→Solid Mechanics
Q22
MCQ[2 Marks]
Semi-circular bar of radius R fixed at G with horizontal load P at H. Magnitude of axial force, shear force, and bending moment at Q (θ=45∘\theta = 45^{\circ}) are
Figure for Question 22
GATE→2022→Structural Engineering→Steel Structures
Q23
MCQ[2 Marks]
Fillet weld lengths L1L_1 and L2L_2 required for joining angle section ISA 100×100×10100 \times 100 \times 10 to gusset plate to transmit full member strength.
Figure for Question 23
GATE→2022→Structural Engineering→Engineering Mechanics
Q24
MSQ[2 Marks]
A horizontal force PP applied to a homogeneous body of weight 25 kN with friction coefficient 0.3. Which statement(s) is/are correct?
Figure for Question 24
GATE→2022→Structural Engineering→Structural Analysis
Q25
NAT[2 Marks]
Plane truss subjected to P=70P = 70 kN (a=2a=2 m, b=3b=3 m). Magnitude of force in member EF (in kN) is
Figure for Question 25
GATE→2022→Structural Engineering→Structural Analysis
Q26
NAT[2 Marks]
Plane frame with fixed supports at H, K, G. Counter-clockwise moment M at F. Support moment at H is 10 kN-m. Magnitude of applied moment M (in kN-m) is
Figure for Question 26
GATE→2022→Structural Engineering→Structural Analysis
Q27
NAT[2 Marks]
Simply supported beam PQ. Truck with 100 kN and 200 kN axles (spacing 3 m) moves across. Maximum bending moment at point R (in kN-m) is
Figure for Question 27
GATE→2022→Structural Engineering→Concrete Structures
Q28
NAT[2 Marks]
RCC beam (300×580300 \times 580 mm), M30 concrete, 1% tension steel (Fe415). Design shear strength = 0.66 N/mm20.66\text{ N/mm}^2. Factored shear force = 440 kN. Spacing of 2-legged 10 mm stirrups (Fe415) is

Geotechnical Engineering

10 Questions
GATE→2022→Geotechnical Engineering→Soil Properties, Classification & Seepage
Q29
MCQ[1 Mark]
Four soils classified as CH, ML, SP, SW per USCS. Which option correctly represents decreasing order of hydraulic conductivity?
GATE→2022→Geotechnical Engineering→Sub-surface Investigations, Earth Pressure & Slope Stability
Q30
MCQ[1 Mark]
Condition to be satisfied for soil element to reach failure under Rankine's passive earth pressure condition:
GATE→2022→Geotechnical Engineering→Soil Properties, Classification & Seepage
Q31
MCQ[1 Mark]
Let ψ\psi represent soil suction head and KK hydraulic conductivity. If soil moisture content increases, which statement is TRUE?
GATE→2022→Geotechnical Engineering→Soil Properties, Classification & Seepage
Q32
NAT[1 Mark]
An uncompacted soil heap has volume 10000 m310000\text{ m}^3 and void ratio 11. If compacted to 7500 m37500\text{ m}^3, the corresponding void ratio is
GATE→2022→Geotechnical Engineering→Soil Properties, Classification & Seepage
Q33
NAT[1 Mark]
Concentrated vertical load 3000 kN on ground surface. Points P and Q at depths 1 m and 2 m along load line. Ratio of vertical stress increase at P to Q is
GATE→2022→Geotechnical Engineering→Sub-surface Investigations, Earth Pressure & Slope Stability
Q34
NAT[1 Mark]
Static Cone Penetration Test tip resistance qc=1000q_c = 1000 kPa, friction ratio fr=1%f_r = 1\%. Sleeve (side) friction (in kPa) is
GATE→2022→Geotechnical Engineering→Compaction, Consolidation & Shear Strength
Q35
MCQ[2 Marks]
Match Group I (1. normally consolidated soil, 2. quick clay, 3. sand in critical state, 4. clay of high plasticity) with Group II conditions.
GATE→2022→Geotechnical Engineering→Sub-surface Investigations, Earth Pressure & Slope Stability
Q36
MCQ[2 Marks]
Rankine's earth pressure theory failure plane inclination statement is correct for:
GATE→2022→Geotechnical Engineering→Shallow & Deep Foundations
Q37
NAT[2 Marks]
Square concrete pile of length 10 m in clay (qu=100qu = 100 kPa). Ultimate load capacity is 632 kN (Nc=9,α=0.7N_c = 9, \alpha = 0.7). Required width of pile (in mm) is
GATE→2022→Geotechnical Engineering→Compaction, Consolidation & Shear Strength
Q38
NAT[2 Marks]
Saturated clay layer sandwiched between sand layers. Initial effective stress 150 kPa, pore pressure 25 kPa. Additional stress 100 kPa. When vertical effective stress is 175 kPa, percentage consolidation is

Water Resources Engineering

6 Questions
GATE→2022→Water Resources Engineering→Fluid Mechanics
Q39
MCQ[1 Mark]
Match fluid flow forces in Column X (P: Viscosity, Q: Gravity, R: Compressibility, S: Pressure) with dimensionless numbers in Column Y.
GATE→2022→Water Resources Engineering→Hydraulics
Q40
MCQ[1 Mark]
Rectangular channel with GVF. If bed slope changes from steeper slope to steep slope, resulting GVF profile is
GATE→2022→Water Resources Engineering→Irrigation
Q41
MSQ[2 Marks]
In the context of cross-drainage structures, the correct statement(s) regarding relative positions of natural drain and irrigation canal is/are
GATE→2022→Water Resources Engineering→Hydrology
Q42
NAT[2 Marks]
Two-hour storm with 3 cm excess rainfall. Streamflow ordinates given. Constant baseflow 10 m3/s10\text{ m}^3/\text{s}. Peak flow ordinate (in m3/s\text{m}^3/\text{s}) of 1-hour unit hydrograph is
GATE→2022→Water Resources Engineering→Hydraulics
Q43
NAT[2 Marks]
Two reservoirs connected by two parallel pipes of equal length and diameters 20 cm and 10 cm. Water level difference 5 m. Ratio of discharge in larger to smaller pipe is
Figure for Question 43
GATE→2022→Water Resources Engineering→Hydraulics
Q44
NAT[2 Marks]
A 3 m wide rectangular channel carries 12 m3/s12\text{ m}^3/\text{s} at 2 m depth. Bed width at contraction causing critical flow without changing upstream water level is

Environmental Engineering

8 Questions
GATE→2022→Environmental Engineering→Water and Wastewater Quality and Treatment
Q45
MCQ[1 Mark]
Total hardness in raw water is 500 mg/L500\text{ mg/L} as CaCO3CaCO_3. Expressed in milligram equivalent per liter (meq/L) is
GATE→2022→Environmental Engineering→Water and Wastewater Quality and Treatment
Q46
MSQ[1 Mark]
For wastewater from wood pulping industry, COD and BOD5 determined. Which statement(s) is/are correct?
GATE→2022→Environmental Engineering→Water and Wastewater Quality and Treatment
Q47
MSQ[1 Mark]
Which of the following process(es) can be used for conversion of salt water into fresh water?
GATE→2022→Environmental Engineering→Water and Wastewater Quality and Treatment
Q48
MCQ[2 Marks]
Henry's law constant for O2O_2 is 1.3 mmol/(L-atm)1.3\text{ mmol/(L-atm)}. Atmospheric partial pressure of O2O_2 is 0.21 atm0.21\text{ atm}. Dissolved oxygen concentration (in mg/L) is
GATE→2022→Environmental Engineering→Water and Wastewater Quality and Treatment
Q49
MCQ[2 Marks]
Water sample has Ca2+=100 mg/LCa^{2+} = 100\text{ mg/L}, Mg2+=36 mg/LMg^{2+} = 36\text{ mg/L}, HCO3−=122 mg/LHCO_3^- = 122\text{ mg/L}. Total hardness and temporary hardness (in mg/L as CaCO3CaCO_3) are
GATE→2022→Environmental Engineering→Water and Wastewater Quality and Treatment
Q50
NAT[2 Marks]
Wastewater sample has 34 mg NH3/L34\text{ mg } NH_3/\text{L} and 6.2 mg NO3−/L6.2\text{ mg } NO_3^-/\text{L}. Total nitrogen concentration (in mg N/L) is
GATE→2022→Environmental Engineering→Water and Wastewater Quality and Treatment
Q51
NAT[2 Marks]
A 2% sewage sample incubated for 3 days at 27∘C27^{\circ}\text{C} showed 10 mg/L DO depletion. BOD rate constant k=0.23 day−1k = 0.23\text{ day}^{-1} (base e). Ultimate BOD (in mg/L) is
GATE→2022→Environmental Engineering→Water and Wastewater Quality and Treatment
Q52
NAT[2 Marks]
Sedimentation basin depth 3 m, width 5 m, length 40 m. Inflow 500 m3/h500\text{ m}^3/\text{h}. Removal fraction of particles with settling velocity 1.0 m/h1.0\text{ m/h} is

Transportation Engineering

6 Questions
GATE→2022→Transportation Engineering→Transportation Infrastructure
Q53
MSQ[1 Mark]
To design a horizontal curve in limited space, which measure(s) can be used to decrease the radius of curvature?
GATE→2022→Transportation Engineering→Traffic Engineering
Q54
MCQ[2 Marks]
Consider points P, Q, R, S on Greenshields speed-flow diagram. Correct order of traffic densities kP,kQ,kR,kSk_P, k_Q, k_R, k_S is
Figure for Question 54
GATE→2022→Transportation Engineering→Traffic Engineering
Q55
NAT[2 Marks]
Two-phase signalized intersection with cycle time 100s, amber 4s, red 50s, lost time 2s per phase. Effective green time of each phase (in seconds) is
GATE→2022→Transportation Engineering→Traffic Engineering
Q56
NAT[2 Marks]
Cars and buses arrive at 4 veh/h and 2 veh/h (Poisson processes). Probability of observing at least 2 vehicles in 30 minutes is
GATE→2022→Transportation Engineering→Traffic Engineering
Q57
NAT[2 Marks]
Vehicle counts in 10-minute intervals given. Peak hour factor (PHF) for 10-minute sub-interval is
GATE→2022→Transportation Engineering→Highway Pavements
Q58
NAT[2 Marks]
Dual-wheel assembly load parameters. Ratio of Equivalent Single Wheel Load (ESWL) at depth z=d/2z = d/2 to ESWL at depth z=2sz = 2s is
Figure for Question 58

Geomatics Engineering

3 Questions
GATE→2022→Geomatics Engineering→Principles of Surveying & Cartography
Q59
MCQ[1 Mark]
Aerial photograph from flight height 3.5 km above MSL, focal length 152 mm, average ground elevation 460 m above MSL. Scale of photograph is
GATE→2022→Geomatics Engineering→Principles of Surveying & Cartography
Q60
MCQ[1 Mark]
A line between P and Q laid on slope 1 in 5 measured as 350 m using 50 m tape short by 0.1 m. Corrected horizontal length (in m) is
GATE→2022→Geomatics Engineering→Principles of Surveying & Cartography
Q61
NAT[1 Mark]
Bearing of survey line is N31∘17′WN 31^{\circ}17' W. Its azimuth observed from north (in degrees) is

Construction Materials and Management

2 Questions
GATE→2022→Construction Materials and Management→Construction Materials
Q62
MCQ[1 Mark]
Which of the following equations is correct for the Pozzolanic reaction?
GATE→2022→Construction Materials and Management→Construction Management
Q63
MCQ[2 Marks]
Project activities table given. Which option correctly states total duration and critical path?