AIIMS CRE Civil JE/AE Mock Test- 5 - NEET MCQ

Where r₀ = radius of the pipe

t₀ = shear stress at the boundary

y = distance from the pipe wall

Hence the correct answer is option B.

Here, 16× 20 = 320 mm,

Therefore pitch = 200 mm

Hence the correct answer is option C.

Hence the correct answer is option B.

(i) Plain

(ii) Pre

(iii) Post

(iv) Double Chlorination

Hence the correct answer is option C.

Hence, the correct option is (b).

(C_c= D₃₀²/D₆₀×D₁₀)

For well-graded soil should be between 1 to 3.

I.e. (1≤C_c≤3)

Thin-walled cre samplers are most commonly used for the collection of undisturbed core samples in cohesive soils, silt, and sand above the water table.

1. Gravity size (K∞D₁₀²)

2. Properties of water (K∝γW/μ)

( → ) With increases temperature, viscosity (μ) Decrease; and hence K increases

3. The Void ratio of soil (−K∞e²)

4. Degree of saturation (−K∞S)

5. Shape of particles

(−K∞1/s²) (Specific surface area s= Surface Area/ Volume)

6. Temperature - ( K ) Temp

7. Impurities present in water block the voids, and hence permeability reduces

8. Adsorbed water hinders the flow under gravity. Hence K is reduced.

• Varnish is a nearly homogeneous solution of resin in oil, alcohol, or turpentine

• Oil-based varnish is the most durable finish that can be easily applied by the average woodworker

• This varnish surpasses most other finishes in its resistance to

1. water,

2. heat,

3. solvents

4. other chemicals

And nominal brick size = modular brick +mortar =20×10×10 cm.

Hence the correct answer is option B.

((h_c)=4σcos⁡θ/wd)

(⇒h_c∞1/d)

Hence, If the diameter of a capillary tube is doubled, the capillary rise will be halved.

When a body is immersed in fluid, either wholly or partially, it is buoyed or lifted up by a force that is equal to the weight of the fluid displaced by the body.

Hence the correct answer is option A.

The workability of concrete is classified based on its slump value, which is an important measure of its consistency and ease of handling. The classifications are as follows:

• Low workability: 25–50 mm
• Medium workability: 50–100 mm
• High workability: 100–175 mm

The relation between the degree of saturation (S), voids ratio (e), moisture content (W), and specific gravity (G) is given by,

e × S = W × G

The relation between the unit weight of saturated soil (γ­_Sat), specific gravity (G), unit weight of water (γ­_W), and voids ratio (e) is given by

The functions of the divider wall are as follows

To form a still water pocket in front of the canal head so that the suspended silt can be settled down which then later be cleaned through the scouring sluices from time to time.

It controls the eddy current or crosses current in front of the canal head.

Hence the correct answer is option C.

Marble and quartzite are both natural metamorphic rocks. However, they were metamorphosed from different sedimentary rocks. Marble was metamorphosed from limestone that was formed in the ocean environment while quartzite came from sandstone formed in the land river environment.

Maximum velocity in a channel section often occurs below the free surface. It is achieved by velocity distribution equation derived by applying the probability and entropy concepts.

During sudden closure of valve, a wave of high pressure intensity will be produced in the water, due to this high pressure circumferential and longitudinal stresses will be produced.