Civil Engineering GATE 2013 Questions with Answer

Ques 1 Construction Material

Maximum possible value of Compacting Factor for fresh (green) concrete is:

Ques 2 Environmental Engineering

Some of the water quality parameters are measured by titrating a water sample with a titrant. Group-I gives a list of parameters and Group-II gives the list of titrants. The correct match of water quality parameters in Group-I with titrants in Group-II is:

Ques 3 Environmental Engineering

A water treatment plant is designed to treat 1 m³/s of raw water. It has 14 sand filters. Surface area of each filter is 50 m². What is the loading rate (in m³/(day x m²)) with two filters out of service for routine backwashing?

Ques 4 Environmental Engineering

A settling tank in a water treatment plant is designed for a surface overflow rate of 30 m³/(day x m²). Assume specific gravity of sediment particles = 2.65, density of water (ρ) = 1000 kg/m³, dynamic viscosity of water (μ) = 0.001 N x s/m², and Stokes' law is valid. The approximate minimum size of particles that would be completely removed is:

Ques 5 Environmental Engineering

A student began an experiment for determination of 5-day, 20°C BOD on Monday. Since the 5^th day fell on Saturday, the final DO readings were taken on the next Monday. On calculation, BOD (i.e., 7-day, 20°C) was found to be 150 mg/L. What would be the 5-day, 20°C BOD (in mg/L)? Assume the value of BOD rate constant (k) at the standard temperature of 20°C as 0.23/day (base e).

Ques 6 Environmental Engineering

Elevation and temperature data for a place are tabulated below: Based on the above data, the lapse rate can be referred to as:

Ques 7 Fluid Mechanics

For subcritical flow in an open channel, the control section for gradually varied flow profiles is

Ques 8 Fluid Mechanics

Group-I contains dimensionless parameters and Group-II contains the ratios. The correct match of dimensionless parameters in Group-I with ratios in Group-II is:

Ques 9 Fluid Mechanics

For a two dimensional flow field, the stream function is given as \(\psi = \frac{3}{2}(y^2 - x^2)\). The magnitude of discharge occurring between the stream lines passing through points (0,3) and (3,4) is:

Ques 10 Fluid Mechanics

A 2 km long pipe of 0.2 m diameter connects two reservoirs. The difference between water levels in the reservoirs is 8 m. The Darcy-Weisbach friction factor of the pipe is 0.04. Accounting for frictional, entry and exit losses, the velocity in the pipe (in m/s) is:

Ques 11 Fluid Mechanics

The normal depth in a wide rectangular channel is increased by 10%. The percentage increase in the discharge in the channel is:

Ques 12 General Aptitude

The professor ordered to the students to go out of the class. Which of the above underlined parts of the sentence is grammatically incorrect?

Ques 13 General Aptitude

A number is as much greater than 75 as it is smaller than 117. The number is: