M20 concrete as per IS 456: 2000 refers to concrete with a design mix having _______.

Let 𝜙 be a scalar field, and 𝒖 be a vector field. Which of the following identities is true for div(𝜙𝒖)?

Which of the following probability distribution functions (PDFs) has the mean greater than the median?

A remote village has exactly 1000 vehicles with sequential registration numbers starting from 1000. Out of the total veh

For the matrix $\rm [A]=\begin{bmatrix}1&-1&0\\\ -1&2&-1\\\ 0&-1&1\end{bmatrix}$ which of the

The steady-state temperature distribution in a square plate ABCD is governed by the 2-dimensional Laplace equation. The

The solution of the differential equation $\rm \frac{d^3y}{dx^3}-5.5\frac{d^2y}{dx^2}+9.5\frac{dy}{dx}-5y=0$ is expres

Two vectors [2 1 0 3]𝑇 and [1 0 1 2]𝑇 belong to the null space of a 4 × 4 matrix of rank 2. Which one of the following

Cholesky decomposition is carried out on the following square matrix [𝐴].  $\rm [A]=\begin{bmatrix}8&-5\\\ -5

In the context of Municipal Solid Waste Management, ‘Haul’ in ‘Hauled Container System operated in conventional mode’ in

Which of the following is/are NOT active disinfectant(s) in water treatment?

For the elevation and temperature data given in the table, the existing lapse rate in the environment is _____ ℃/100 m (

Match the following air pollutants with the most appropriate adverse health effects : table {

In the context of water and wastewater treatments, the correct statements are:

Which of the following statements is/are TRUE for the aerobic composting of sewage sludge?

The theoretical aerobic oxidation of biomass (C5H7O2N) is given below: C5H7O2N + 5O2 → 5CO2 + NH3 + 2H2O The biochemic

A system of seven river segments is shown in the schematic diagram. The Ri’s, Qi’s, and Ci’s (i = 1 to 7) are the river

The pressure in a pipe at X is to be measured by an open manometer as shown in figure. Fluid A is oil with a specific gr

A compound symmetrical open channel section as shown in the figure has a maximum of _______ critical depth(s). Bm – B

The critical flow condition in a channel is given by _______. [Note: 𝛼 – kinetic energy correction factor; 𝑄 – discha

Which of the following statements is/are TRUE?

The cross-section of a small river is sub-divided into seven segments of width 1.5 m each. The average depth, and veloci

The magnetic bearing of the sun for a location at noon is 183˚ 30ˊ. If the sun is exactly on the geographic meridian at

If the size of the ground area is 6 km × 3 km and the corresponding photo size in the aerial photograph is 30 cm × 15 cm

A delivery agent is at a location R. To deliver the order, she is instructed to travel to location P along straight-line

A standard penetration test (SPT) was carried out at a location by using a manually operated hammer dropping system with

A vertical sheet pile wall is installed in an anisotropic soil having coefficient of horizontal permeability, 𝑘𝐻 and c

The reason(s) of the nonuniform elastic settlement profile below a flexible footing, resting on a cohesionless soil whil

An unconfined compression strength test was conducted on a cohesive soil. The test specimen failed at an axial stress of

In the given figure, Point O indicates the stress point of a soil element at initial non-hydrostatic stress condition. F

The figure shows a vertical retaining wall with backfill consisting of cohesive-frictional soil and a failure plane deve

A square footing is to be designed to carry a column load of 500 kN which is resting on a soil stratum having the follow

A circular pile of diameter 0.6 m and length 8 m was constructed in a cohesive soil stratum having the following propert

For the flow setup shown in the figure (not to scale), the hydraulic conductivities of the two soil samples, Soil 1 and

A consolidated drained (CD) triaxial test was carried out on a sand sample with the known effective shear strength param

Which one of the following options provides the correct match of the terms listed in Column-1 and Column-2?

A catchment may be idealized as a circle of radius 30 km. There are five rain gauges, one at the center of the catchment

Identify the cross-drainage work in the figure.

With regard to the shear design of RCC beams, which of the following statements is/are TRUE?

Consider the singly reinforced section of a cantilever concrete beam under bending, as shown in the figure (M25 grade co

Two plates are connected by fillet welds of size 10 mm and subjected to tension, as shown in the figure. The thickness o

A circular solid shaft of span L = 5 m is fixed at one end and free at the other end. A torque T = 100 kN.m is applied a

When a simply-supported elastic beam of span L and flexural rigidity EI (E is the modulus of elasticity and I is the mom

In the frame shown in the figure (not to scale), all four members (AB, BC, CD, and AD) have the same length and same con

In a two-dimensional stress analysis, the state of stress at a point is shown in the figure. The values of length of PQ,

A 5 cm long metal rod AB was initially at a uniform temperature of T0°C. Thereafter, temperature at both the ends are ma

A beam is subjected to a system of coplanar forces as shown in the figure. The magnitude of vertical reaction at Support

A 2D thin plate with modulus of elasticity, 𝐸 = 1.0 N/m2, and Poisson’s ratio, 𝜇 = 0.5, is in plane stress condition.

Muller-Breslau principle is used in analysis of structures for ________.

For the frame shown in the figure (not to scale), all members (AB, BC, CD, GB, and CH) have the same length, 𝐿 and flex

An idealised frame supports a load as shown in the figure. The horizontal component of the force transferred from the ho

Which of the following is equal to the stopping sight distance?

As per the Indian Roads Congress guidelines (IRC 86: 2018), extra widening depends on which of the following parameters?

The figure presents the time-space diagram for when the traffic on a highway is suddenly stopped for a certain time and

Consider the Marshall method of mix design for bituminous mix. With the increase in bitumen content, which of the follow

The line ran _______ the page, right through the centre, and divided the page into two.

Kind : ________ :: Often : Seldom (By word meaning)

In how many ways can cells in a 3 × 3 grid be shaded, such that each row and each column have exactly one shaded cell? A

There are 4 red, 5 green, and 6 blue balls inside a box. If 𝑁 number of balls are picked simultaneously, what is the sm

Consider a circle with its centre at the origin (O), as shown. Two operations are allowed on the circle. Operation 1: S

Elvesland is a country that has peculiar beliefs and practices. They express almost all their emotions by gifting flower

Three husband-wife pairs are to be seated at a circular table that has six identical chairs. Seating arrangements are de

Based only on the following passage, which one of the options can be inferred with certainty? When the congregation san

If x satisfies the equation $\rm 4^{8^x}=256$, then x is equal to ______.

Consider a spherical globe rotating about an axis passing through its poles. There are three points P, Q, and R situated