Two straight lines pass through the origin (0,0). One of them passes through (1,3) and the other through (1,2). What is the area enclosed between the straight lines in the interval [0,1] on the x-axis?
GATE→2022→General Aptitude→Quantitative Aptitude
Q3
MCQ[1 Mark]
If p:q=1:2, q:r=4:3, r:s=4:5 and u is 50% more than s, what is the ratio p: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.
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 x per month for 8 months. If Q receives 4/9 of total profit, what is the value of x?
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?
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
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
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
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/s. Peak flow ordinate (in m3/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
GATE→2022→Water Resources Engineering→Hydraulics
Q44
NAT[2 Marks]
A 3 m wide rectangular channel carries 12 m3/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/L as CaCO3. 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 O2 is 1.3 mmol/(L-atm). Atmospheric partial pressure of O2 is 0.21 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/L, Mg2+=36 mg/L, HCO3−=122 mg/L. Total hardness and temporary hardness (in mg/L as CaCO3) are
GATE→2022→Environmental Engineering→Water and Wastewater Quality and Treatment
Q50
NAT[2 Marks]
Wastewater sample has 34 mg NH3/L and 6.2 mg NO3−/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∘C showed 10 mg/L DO depletion. BOD rate constant k=0.23 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/h. Removal fraction of particles with settling velocity 1.0 m/h is