BARC CE: Full Syllabus Test-14

An automobile having a mass of 150 N is running at a speed of 50 m/s. If brake is applied to stop all wheels suddenly, then how far automobile skid before will coming to halt __________. Assume the coefficient of friction between ground and wheel is 0.8; use g = 10 m/s².

If the load warping and friction stresses in a cement concrete slab are 218 N/mm², 298 N/mm² and 15 N/mm² respectively. The critical combination of stresses during summer mid-day is -

In Cole’s method from where does the curvature begin on the straight track?

During evaporation form the sea water, what will be the ratio of sensible heat transfer from water surface to air and the heat energy used in evaporation, if temperature of water surface is 16.1ºC and the actual vapour pressure is 25 mm of H_g. (Assume saturated vapour pressure as 20 mm of Hg and temperature of air as 25ºC)

In a catchment, there are five rain gauge stations P,Q,R,S & T. Normal annual precipitation values at these stations are 780, 850, 920, 980 & 990 mm respectively. In the year 2020, Except P all stations are operative using the normal ratio method, the precipitation at station P for year 2020 has been taken ‘x’ – consider P_Q, P_R,P_S,P_T, to be 860, 930, 1010, 1000 mm respectively. Then ‘x’ is.

An aquifer confined at bottom, not at top is called –

Consider the following statement regarding shotcrete:

1- The w/c ratio is kept high.

2- The admixtures such as retarders are used to delay the setting of shotcrete.

3- The strength and properties of shotcrete are same as that of high-quality concrete.

The correct statement are:

Pozzolana used as an admixture in concrete has the following advantages:

1. It improves workability with lesser amount of water.

2. It increases the heat of hydration and so lets the concrete set quickly.

3. It increases the resistance of concrete to attack by salts and sulphates.

4. It leaches out calcium hydroxide. Select the correct answer using the codes given below:

Consider the following statement regarding timber

I. Timber strength is more along grains

II. At the fiber saturation point, all water except water bound in the cell wall is removed.

III. Green timber cracks and splits easily

IV. Heartwood is preferable in engineering use.

Which of the following above statements is/are correct?

The normal duration and normal cost of an activity are 18 days and Rs. 36,000 Respectively. The activity crash duration is 15 days and indirect cost is Rs. 800 per day. If cost slope is Rs. 1200 per day, then the crash cost of the activity will be

A, B, C, D and E are the 5 activity along the unique critical path of AOA network of activities their characteristic are as under –

What is the possible range of project duration (in days)

A slab base of size 600 mm x 600 mm is to be provided below a column section ISHB 250 (thickness of flange 10 mm) with width of column flange 250 mm flange supports a design column load of 3000 KN. The yield and ultimate tensile strength of steel are 250 N/mm² and 410 N/mm² respectively. The partial safety factor against yield and ultimate tensile stress are γ_m0 = 1.1 and γ_m1 = 1.25 respectively. The minimum thickness of slab base is

Consider the following two statements regarding Bearing stiffeners provided at the location of a concentrated load:

1. Bearing stiffeners have to resist bearing and buckling loads.

2. Bearing area and the area resisting buckling load are the same.

Which of the above statements is/are correct?

Neutral axis distance D₁ at plastic moment condition of a triangular cross-section in given figure having similar properties in tension and compression is -

On the basis of detention period of 24 hours, assume length to width ratio of around 2 and depth of waste water about 1 m, of septic tank required for a large house dwelling of 100 persons. The flow into tank of the rate 70 lpd. What will be the surface loading rate -

Consider the following statements regarding pyrolysis:

1. It is an irreversible chemical change brought about by the action of heat in oxygen-free atmosphere.

2. Range of temperature is 500°C to 1000°C .

3. Internal heating causes organic matter to decompose physically and chemically rather than burn.

4. It is a highly exothermic process.

Which of the above statements are correct?

Water is required to supplied in a town having population 1,00,000 having daily per capital demand 140 lpcd. What is the power of pump required to raise the water from reservoir (RL 120) to a the treatment plant (RL 150 m) if 1.5 m of total head loss occur due to friction and efficiency of pump is 80%.

In case of open channel flow, the unsteady uniform flow occurs when

A 63 cm high 38 cm dia cylinder containing water is translated on a level road. The highest acceleration is 4.7 m/sec². Determine the allowable initial height in tank, if no water is spill out during acceleration.

Which of the following method are used to determine the coefficient of velocity?

(i) Jet distance measurement method

(ii) Velocity measurement method

(iii) Momentum method

(iv) Micrometer contraction gauge method

What will be the discharge as measured by a triangular notch of 60° under a head of 1.2m? Assume coefficient of discharge to be 0.66.

While installing vertical sand drains in a clay deposit, the coefficient of consolidation will?

A sprinkler irrigation system is suitable when

Group I contains three broad classes of irrigation supply canal outlets. Group II presents hydraulic performance attributes.

Group I

P. Non-modular outlet

Q. Semi-modular outlet

R. Modular outlet

Group II

1) Outlet discharge depends on the water levels in both the supply canal as well as the receiving water course

2) Outlet discharge is fixed and is independent of the water levels in both the supply canal as well as the receiving water cause

3) Outlet discharge depends only on the water level in the supply canal.

The correct match of the items in Group I win the items in Group II is

The minimum and maximum % of reinforcement in RCC short columns are

Consider the following statements:

1. The minimum steel requirements of slabs are based on considerations of shrinkage and temperature effects alone, and not on strength.

2. Providing excessive reinforcement in beams can result in congestion, thereby adversely affecting the proper placement and compaction of concrete.

Which of the above statements is/are correct?

Soil A and soil A are mixed to prepare a clayey soil of plasticity index of 14, calculate the percentage of sand in the mix.

A propped cantilever is supported by the mid span of simply supported beam of same length at propped end. If the propped cantilever is loaded with udl of 17 kN/m and span length of both beam is 5 m. Calculate the reaction generated at propped end.

A uniform column of cross sectional area ‘A’ and flexure rigidity EI is heated from initial temp t_o. Find the temp at which column start to buckle.

α = coefficient Of linear expansion.

K = spring const.

L = Length of column

Which of the following methods of levelling is a modified form of stadia levelling ?

If the four angles of a triangle each have a standard error of ±2” what is the total error in the triangle?

The following observed values of an angle and their weightage are given :

Determine the probable error of weighted arithmetic mean.

Which of the following methods are used for interpolating contour points between 2 points?

1) Using theodilite

2) Using measuring tapes or chains

3) Estimation and graphical method

4) Arithmetic calculation