Which of the following equations is correct for the Pozzolanic reaction?

The project activities are given in the following table along with the duration and dependency. .tg {border-collapse:c

Consider the following expression: z = sin(y + it) + cos(y $$-$$ it) where z, y, and t are variables, and $$i = \sqrt {

For the equation $${{{d^3}y} \over {d{x^3}}} + x{\left( {{{dy} \over {dx}}} \right)^{3/2}} + {x^2}y = 0$$ the correct de

The matrix M is defined as $$M = \left[ {\matrix{ 1 & 3 \cr 4 & 2 \cr } } \right]$$ and has eigenvalues 5 an

Consider the following recursive iteration scheme for different values of variable P with the initial guess x1 = 1: $${x

The Fourier cosine series of a function is given by : $$f(x) = \sum\limits_{n = 0}^\infty {{f_n}\cos nx} $$ For f(x) =

The Cartesian coordinates of a point P in a right-handed coordinate system are (1, 1, 1). The transformed coordinates of

Let max {a, b} denote the maximum of two real numbers a and b. Which of the following statements is/are TRUE about the f

Consider the differential equation $${{dy} \over {dx}} = 4(x + 2) - y$$ For the initial condition y = 3 at x = 1, the va

A set of observations of independent variable (x) and the corresponding dependent variable (y) is given below. .tg {bo

A horizontal force of P kN is applied to a homogeneous body of weight 25 kN, as shown in the figure. The coefficient of

The total hardness in raw water is 500 milligram per liter as CaCO3. The total hardness of this raw water, expressed in

For wastewater coming from a wood pulping industry, Chemical Oxygen Demand (COD) and 5-day Biochemical Oxygen Demand (BO

Which of the following processes can be used for conversion of salt water into fresh water?

Henry's law constant for transferring O2 from air into water, at room temperature, is 1.3 $${{mmol} \over {liter - atm}}

In a water sample, the concentrations of Ca2+, Mg2+ and HCO$$_3^ - $$ are 100 mg/L, 36 mg/L and 122 mg/L, respectively.

A wastewater sample contains two nitrogen species, namely ammonia and nitrate. Consider the atomic weight of N, H, and O

A 2% sewage sample (in distilled water) was incubated for 3 days at 27$$^\circ$$C temperature. After incubation, a disso

A water treatment plant has a sedimentation basin of depth 3 m, width 5 m, and length 40 m. The water inflow rate is 500

With respect to fluid flow, match the following in Column X with Column Y: Column X Column Y

A rectangular channel with Gradually Varied Flow (GVF) has a changing bed slope. If the change is from a steeper slope t

Two reservoirs are connected by two parallel pipes of equal length and of diameters 20 cm and 10 cm, as shown in the fig

Depth of water flowing in a 3 m wide rectangular channel is 2 m. The channel carries a discharge of 12 m3/s. Take g = 9.

An aerial photograph is taken from a flight at a height of 3.5 km above mean sea level, using a camera of focal length 1

A line between stations P and Q laid on a slope of 1 in 5 was measured as 350 m using a 50 m tape. The tape is known to

The bearing of a survey line is N31$$^\circ$$17'. Its azimuth observed from north is __________ deg. (round off to two d

Four different soils are classified as CH, ML, SP, and SW, as per the Unified Soil Classification System. Which one of t

Let $$\sigma$$'v and $$\sigma$$'h denote the effective vertical stress and effective horizontal stress, respectively. Wh

Let $$\psi $$ represent soil suction head and K represent hydraulic conductivity of the soil. If the soil moisture conte

An uncompacted heap of soil has a volume of 10000 m3 and void ratio of 1. If the soil is compacted to a volume of 7500 m

A concentrated vertical load of 3000 kN is applied on a horizontal ground surface. Points P and Q are at depths 1 m and

At a site, Static Cone Penetration Test was carried out. The measured point (tip) resistance qc was 1000 kPa at a certai

The correct match between the physical states of the soils given in Group-I and the governing conditions given in Group-

As per Rankine's theory of earth pressure, the inclination of failure planes is $$\left( {45 + {\phi \over 2}} \right)^

A square concrete pile of 10 m length is driven into a deep layer of uniform homogenous clay. Average unconfined compres

A raft foundation of 30 m $$\times$$ 25 m is proposed to be constructed at a depth of 8 m in a sand layer. A 25 m thick

A two-hour duration storm event with uniform excess rainfall of 3 cm occurred on a watershed. The ordinates of streamflo

During a particular stage of the growth of a crop, the consumptive use of water is 2.8 mm/day. The amount of water avail

In the context of cross-damage structures, the correct statement(s) regarding the relative positions of a natural drain

In the context of elastic theory of reinforced concrete, the modular ratio is defined as the ratio of

A reinforced concrete beam with rectangular cross section (width = 300 mm, effective depth = 580 mm) is made of M30 grad

A weld is used for joining an angle section ISA 100 mm $$\times$$ 100 mm $$\times$$ 10 mm to a gusset plate of thickness

The hoop stress at a point on the surface of a thin cylindrical pressure vessel is computed to be 30.0 MPa. The value of

Consider the cross-section of a beam made up of thin uniform elements having thickness t(t << a) shown in the figu

Consider a simply supported beam PQ as shown in the figure. A truck having 100 kN on the front axle and 200 kN on the re

A semi-circular bar of radius R m, in a vertical plane, is fixed at the end G, as shown in the figure. A horizontal load

The plane truss shown in the figure is subjected to an external force P. It is given that P = 70 kN, a = 2 m, and b = 3

Consider the linearly elastic plane frame shown in the figure. Members HF, FK and FG are welded together at joint F. Joi

A horizontal curve is to be designed in a region with limited space. Which of the following measure(s) can be used to de

Consider the four points P, Q, R and S shown in the Greenshields fundamental speed-flow diagram. Denote their correspond

A two-phase signalized intersection is designed with a cycle time of 100 s. The amber and red times for each phase are 4

At a traffic intersection, cars and buses arrive randomly according to independent Poisson processes at an average rate

The vehicle count obtained in every 10 minute interval of a traffic volume survey done in peak one hour is given below.

For the dual-wheel carrying assembly shown in the figure, P is the load on each wheel, a is the radius of the contact ar

You should __________ when to say __________.

Two straight lines pass through the origin (x0, y0) = (0, 0). One of them passes through the point (x1, y1) = (1, 3) and

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?

Given the statements : $$\bullet$$ P is the sister of Q. $$\bullet$$ Q is the husband of R. $$\bullet$$ R is the mother

In the following diagram, the point R is the center of the circle. The lines PQ and ZV are tangential to the circle. The

Healthy eating is a critical component of healthy aging. When should one start eating healthy? It turns out that it is n

P invested Rs.5000 per month for 6 months of a year and Q invested Rs. x per month for 8 months of the year in a partner

The above frequency chart shows the frequency distribution of marks obtained by a set of students in an exam. From the

In the square grid shown on the left, a person standing at P2 position is required to move to P5 position. The only move

Consider a cube made by folding a single sheet of paper of appropriate shape. The interior faces of the cube are all bl