BARC CE: Full Syllabus Test-18

In how many classes fly ash is classified?

According to IS 456-2000, the minimum grade of concrete with maximum free water to cement ratio of 0.5 and minimum cement content of 300 kg/m³ is

The most commonly used admixture to accelerate the setting time of concrete is which of the following?

A first class brick when immersed in cold water for 24 hours should not absorb water more than

Consider the following statements regarding foam glass.

1) Foam glass is used in refrigeration.

2) Specific density of foam glass is less than 1.

3) Foam glass is combustible.

4) Foam glass is termite proof.

Which of the above statements are correct?

The energy transported by the electromagnetic wave is proportional to:

If C_v, C_c, C_d and C_r are the hydraulic coefficients of an orifice, then:

The porosity of a soil sample is 35% and the specific gravity of its particles is 2.7. The dry density of soil sample is:

Following results are obtained from particle size analysis:

Uniformity coefficient = 8

Coefficient of curvature = 2.8

Percentage of soil passing through 75 μ IS sieve = 10%

Percentage of soil passing through 4.75 mm IS sieve = 70%

If liquid limit and plastic limit for the soil are 38% and 34. 2% respectively, the soil can be classified as per IS soil classification system as

A coarse-grained soil has a voids ratio 0.75 and specific gravity as 2.75. The critical gradient at which quick sand condition occurs, is

A water treatment plant of capacity, 1 m³/s has filters of dimensions 6 mx10m. Loading rate of the filters is 120 m³/day/m². When two of the filters are out of service for backwashing, the loading rate (in m³/day/m²) is

The BOD₅ of a wastewater sample is 200 mg/litre at 20°C . The value of the reaction constant is K = 0.2 day^-1 with base ‘e’. The ultimate BOD of the sample is

Septic tank is a

A) Settling tank

B) Digestion tank

C) Aeration tank

Which of the above is/are correct?

Select the code for the correct answer from the options given below:

What is the theme of the Environment Day 2017?

Removal of soluble organic chemicals is possible by the addition of ______ to the biological mixed liquor of an activated sludge process.

If the area is covered v by a series of surveys lines near the boundary, it called as

If the Reduced Level (R.L.) and Bench Mark (B .M.) is 100.00 m, the backsight is 1.215 m and the foresight is 1.870 m, the R.L. of the forward station is

A line of true length 300.0 m when measured by a 30.0 m tape is reported to be 302.0 m long. The true length of tape is:

A curve of varying radius is known as:

The plane table method which is suitable for locating inaccessible points is

A vernier caliper has 1 mm marks on the main scale. It has 20 equal divisions on the Vernier scale which match with 16 main scale divisions. For this Vernier caliper, the least count is :

In plate load test, pressure on soil is 40 kg/cm². The corresponding deflection,. Determine the modulus of elasticity of soil if the diameter of the plate used is 30cm.

Arrange the following cutbacks in the order of increasing viscosity

In a 500 g sample of coarse aggregate, 100g is flaky particles and 80gm is elongated particles. What is the sum of flakiness and elongation indices?

The maximum spacing of expansion joints in rigid pavements l_e is given by:

The annual average daily traffic in a proposed highway at last count is 300 CVD. The annual rate of growth of traffic is 5%. If the road is to be completed in two years, the initial traffic in the road after construction will be:

Find the effective green time of a traffic signal, where lost time due to starting delay is 2 seconds, actual green time is 19 seconds and amber time is 3 seconds.

Ratio of plastic section modulus to elastic section modulus is

Which among the following is correct

If the grade of concrete used for concrete pedestal is M25 and a steel column of Fe 410 grade is resting on pedestal with a steel plate, the permissible bearing strength of concrete (in N/mm²) as per IS 456:2000 is:

If a rolled beam section of height H and width B is used in an encased beam, the width of the cased column when H>B in mm is ____________.

Identify the wrong statement about grillage footing: