BARC CE: Full Syllabus Test-16 for ESE & GATE CE Exams

Question 1

A river model is constructed to a horizontal scale of 1 : 9000 and a vertical scale of 1:1000. A model discharge of 0.5 m³/s would correspond to a discharge in the prototype of which magnitude?

Question 2

The flow in which conditions do not change with time at any point is known as

Question 3

i). In Lagrangian method of describing the motion of fluid, an observer concentrates on a point in the fluid system.

ii). The compounds of acceleration of the fluid particle are

iii). A particle moving in a curved path will always have a normal acceleration v²/r towards the centre of the curved path.

Which of these statements are correct?

Question 4

A hydraulic pipeline 3.5 km long and 60 cm diameter is used to convey water with velocity of 1 .5 m/sec. Consider the pipe to be rigid and take K = 20×10⁸ N/m²

1) The pressure growth if the valve provided at the outflow end is closed in 10 seconds is 5.25 × 10⁵ N/m²

2) The pressure growth if the valve provided at the outflow end is closed in 3.5 seconds is 21.21 × 10⁶ N/m².

Question 5

When a sudden contraction from 60 cm diameter to 30 cm diameter is introduced into a horizontal pipeline, the pressure drops from 100 kPa at the upstream of the contraction to 80 kPa on the downstream. Assuming a coefficient of contraction of 0.65. find the flow rate in the pipe.

Question 6

A pipe of 300 m length carry water at the rate of Q m³/s. If the first 200 m length has a diameter of 40 cm while remaining 100 m length has a diameter of 20 cm then the ratio of head loss in 100 m length to that in 200 m length will be.

Question 7

A solid cylinder of diameter 20 cm and height 30 cm is to float in water with its vertical axis in sea water (SG = 1.03). If the relative density of cylinder is 0.9, the stability of cylinder is –

Question 8

When a dolphin glides through air, it experiences an external pressure of 1m of mercury. The absolute pressure on dolphin when it is 5m below the free surface of the water is

Question 9

What is value of total horizontal force on AB due to liquid in container.

Take γ_w = 9.81 kN/m³ and inside with = 1 m

Question 10

A cylindrical tank of cross sectional area 1 m² and depth 1 m has a hole of cross sectional area 1 cm² at the middle of its bottom. The coefficient of discharge for this hole has a linear relation with the head available to it such that C_d = 1/2.4H where H is the head available. How much time (in minutes) will it take for the tank to go from full to empty as the orifice is opened?

Question 11

What is Probable Maximum Precipitation (PMP)?

Question 12

An over reinforced rectangular concrete beam has width 150 mm and overall depth 350 mm. The beam is reinforced with 4 bars of 16 mm diameter. The allowable moment resisting capacity (in kNm) of the beam, according to limit state method, is
[Take effective cover as 40 mm and M20 grade of concrete and Fe415 15 grade of steel]

Question 13

A singly reinforced rectangular beam has a width of 160 mm and an effective depth of 320 mm. The characteristic compressive strength of concrete is 20 MPa and the tensile strength of steel is 250 MPa. The area of steel (in mm²) in tension is [Balanced section]

Question 14

A M25 RCC column of size 550 mm × 550 mm carries a factored compressive axial load of 1100 kN. The permissible shear strength of concrete is ________ MPa. [Given design shear strength = 0.75 MPa]

Question 15

A concrete beam of rectangular cross-section of size 120mm (width) and 200mm (depth) is prestressed by a straight tendon to an effective force of l50kN at an eccentricity of 20mm (below the centroidal axis in the depth direction). The stresses at the top and bottom fibres of the section are

Question 16

The long term elastic modulus (in N/mm²) of concrete whose age of concrete at loading is equal to 28 days is (in integer value)
[Take M20 grade of concrete and creep coefficient is 1.6 at 28 days of concrete at loading]

Question 17

A pre-tensioned concrete member if section 200

250 mm contains tendons of area 500 mm² at centre of gravity of the section. The pre-stress in the tendons is 1000N/mm².Assuming modular ratio as 10.the stress in(N/mm²) concrete is

Question 18

An observer count 180 veh/h at a specific highway location. Assume that the vehicle arrival at the location follows Poisson’s distribution, the probability (in percentage) of having four vehicles arriving over a 55 seconds time internal is.

Question 19

A rigid pavement slab of thickness 30 cm is stressed due to a wheel load of 25 kN acting in a a radius 15.45 cm. What area of the pavement is effective in resisting the wheel load stress as per Westergard theory?

Question 20

A cross over occurs between two parallel B.G. tracks of same crossing number of 1 in 17/2 with straight intermediate portion between the reverse curve. Distance between centres of tracks is 5m. Find the overall length of cross over.

Question 21

Match List-I (Method of design for flexible pavement) with List-II (Principle / Based on) and select the correct answer using the code given below.

Question 22

Consider following statements related to wave pressure generated on surface of reservoir behind a gravity dam:

1. Maximum pressure intensity is given by P_w = 2.4 Y_wh_w

2. Maximum pressure intensity occurs at meters above still water surface.

3. Total pressure due to waves generated is given by Pt = 2γ_wh_w²

4. Total pressure acts at a distance of 0.625 h_w above still water surface.

(h_w = height of waves in meter)

Correct statement(s) is /are :

Question 23

The slope of a roof truss is

. If the pitch of the truss is

, then the angle of inclination of the truss with horizontal is ____.

Question 24

The best connection for a cantilever arm attached to a column is _____________.

Question 25

The vertical shear stress on the fillet welded joint shown in figure is 10 MPa. If the maximum bending stress is 100 MPa, the weld has to be designed for a strength of ________ MPa.

Question 26

When compression is transferred from a wide flange to narrow web, localized bearing stresses forms. The failure caused by these localized bearing stresses is called __________.

Question 27

Find the length of the elasto-plastic zone of a rectangular beam of length 6m.

Question 28

The center to center distance between two adjacent consecutive rivets in a line for plates of 12 mm thickness under axial compression

Question 29

Shear lag effect in beams does not depends upon which of the following factor?

Question 30

The rainfall occurs due to ascent of air forced by mountain barrier is known as

Question 31

Aridity Index (AI) is defined as

PET – Potential evapotranspiration

AET – Actual Evapotranspiration