Explore topic-wise MCQs in Engineering.

A cantilever beam of length L and a cross section with shape factor f supports a concentrated load P as shown below

The length L_P of the plastic zone, when the maximum bending moment equals the plastic moment M_P, given by

In an iceberg, 15% of the volume projects above the sea surface. If the specific weight of sea water is 10.5 kN/m³ , the specific weight of iceberg ir kN/m³ is

A reinforced concrete column contains longitudinal steel equal to 1 percent of net cross-sectional area of the column. Assume modular ratio as 10. The loads carried (using the elastic theory) by the longitudinal steel and the net area of concrete, are P_s and P_c respectively. The ratio P_s/P_c expressed as percent is

A steady discharge of 1 cumec flows uniformly in a rectangular channel 1 m wide at a depth of 250 mm. The slope of the channel bed is :

The kinetic energy correction factor for a full developed laminar flow through a circular pipe is

The modulus of subgrade reaction is obtained from the plate bearing test in the form of load-deformation curve. The pressure corresponding to the following settlement value should be used for computing modulus of subgrade reaction

Consolidation in soils

The Prandtl mixing length for turbulent flow through pipes is

A 40 slope is excavated to a depth of 10 m in a deep layer of saturated clay of unit weight 20 kN.m³; the relevant shear strength parameters are c_u = 70 kN/m² and _u = 0. The rock ledge is at a great depth. The Taylor's stability coefficient for _u = 0 and 40 slope angle is 0.18. The factor of safety of the slope is :

A hydraulic turbine develops a power of 10⁴ metric horse power while running at a speed of 100 revolutions per minute, under a head of 40 m. Its specific speed is nearest to one of the following :

The span to depth ratio limit is specified in IS : 456-1978 for the reinforced concrete beams, in order to ensure that the

A two span beam with an internal hinge is shown below.

The conjugate beam corresponding to this beam is

Some of the structural strength of a clayey material that is lost by remoulding is slowly recovered with time. This property of soils to undergo an isothermal gel-to-soil-to-gel transformation upon agitation and subsequent rest is termed :

The capacities of "One-way 1.5 m wide sidewalk (persons per hour)" and "One-way 2-lane urban road (PCU per hour, with no frontage access, no standing vehicles and very little cross traffic)" are respectively.

Lysimeter and Tensiometer are used to measure respectively, one of the following groups of quantities :

Is 459-1978 recommends to provide certain minimum steel in a RCC beam

Shear stress develops on a fluid element, if :

A hydraulic turbine has a discharge of 5 m³/s, when operating under a head of 20 m with a speed of 500 rpm. If it is to operate under a head of 15 m, for the same discharge, the rotational speed in rpm will approximately be

A nozzle discharging water under head H has an outlet area "a" and discharge coefficient c_d = 1.0. A vertical plate is acted upon by the fluid force F_j when held across the free jet and by the fluid force F_n when held against the nozzle to stop the flow, the ratio F_j/F_n is

The wall shown in the below figure has failed. The cause of failure or the error made in the design of the failded wall is :

The ruling minimum radius of horizontal curve of a national highway in plain terrain for ruling design speed of 100 km/hour with e = 0.07 and f = 0.15 is close to

Principle involved in the relationship between submerged unit weight and saturated weight of a soil is based on

For the frame shown in the below figure, the maximum bending moment in the column is,

In reinforced concrete, pedestal is defined as compression member, whose effective length does not exceed its least dimension by

The percentage error in the computed discharge over a triangular notch corresponding to an error of 1% in the measurement of the head over the notch, would be

A water treatment plant is required to process 28800 m³/d of raw water (density = 1000 kg/m³, kinematic viscosity = 10^-6 m²/s). The rapid mixing tank imparts tank a velocity gradient of 900s^-1 to blend 35 mg/l of alum with the flow for a detention time of 2 minutes. The power input (W) required for rapid mixing is

Flexible pavements derive stability primarily from :

The cylinder strength of the concrete is less than the cube strength because of

Pick up the mechanical ventilation method used for tunnels from the following:

For highways, tunnelling is preferred to if the open cut exceeds :

The following operations are required for tunnelling in rocky terrain :
1. Removing the foul gases
2. Marking the tunnel profile
3. Setting up and drilling
4. Checking misfire
5. Mucking
The correct sequence is :

The advantages of providing a pair of tunnels as compared to only one large highway tunnel is :

On sag (or valley) curves the available sight distance is determined based on :

A simply supported beam shall be deemed to be a deep beam if the ratio of its effective span to overall depth, is

The spans of filler joists supporting a slab may be considered approximately equal if the longest span does not exceed the shortest span more than

Moist sand may contain surface water by mass upto

The minimum horizontal distance between two parallel main reinforcing bars, is

The thickness of the steel

A solid slab spanning in two directions at right angles and carrying a uniformly distributed load, is supported on beams. If the length of two such beams A and B perpendicular to each other are x and y (x<y), the load shared by the beam A, is

For design purpose, the moment at the support where two unequal spans or spans not equally loaded meet, is

As per IS : 800-1982, the coefficient of expansion for steel per degree centigrade per unit length, is

When bending occurs about both axes of the member, the value of f_be in the formula |> 1 is taken

The flat slab is a reinforced concrete slab with or without drops and is supported

For nominal mix concrete M 15, the required weight of fine and coarse aggregates is 350 kg and the volume of water is

The distance of the critical section for shear from the periphery of the column or drop panal is at a distance (where d is effective depth of flat slab).

If f_ck is characteristic compressive strength of concrete, the flexural and split tensile strength f_cr = af_ck N/mm² where the value of a is

Minimum thickness of steel work directly exposed to weather and accessible for cleaning and repainting, the thickness should be not less than

If the end of a beam of span L carrying a designed load W is partially restrained by a built up wall, it is designed to resist the negative moment at the face of the support, equal to

Generally acceptable nominal size of aggregates for reinforced concrete, is

If the specified thickness of a footing is 100 cm, the depth of the form work may be tolerated from