Explore topic-wise MCQs in Engineering.

If the main reinforcement of the slab is parallel to a T-beam, the transverse reinforcement at mid span of the slab is provided at least ......of main reinforcement

The effective depth of a shallow beam is the distance between

The minimum area of cross section of reinforcement in either direction of a slab should not be less than ...... of the slab cross section

For concreting of heavily reinforced sections without vibration, the workability of concrete should be

If b is actual width of a flange, D_t is the thickness of the flange, b is the breath of the web, l_o is the distance between the points of zero moments in a beam, the effective width of the flange, is

The thickness 't' of a rectangular column base which is provided for distributing the load uniformly, is calculated from the formula

In the formula a + bk for the calculation of the net effective section of single tee in tension connected by flange to the same side of the same side of the gusset, the value of 'k' is taken

All reinforcement should be free from

Minimum diameter of the lateral ties should not be less than

If f_bt and f_s are the numerical values of bending tension and shear stresses, the equivalent stress f_e, is

The ratio of the effective lengths of two columns, one effectively held in position at one end and partially restrained at the other end, and the other effectively held in position at one end and free at the other end, is

The total area of side face reinforcement, in case of a deep beam should not be less than

The thickness of flat single lacing is, taken (where l is effective length of the bar).

The average 28 days compressive strength of at least three 15 cm concrete cubes prepared with available water as compared to the average strength of three similer concrete cubes prepared with distilled water, should be at least

In the formula

The thickness of flat double lacing, is taken (where l is the effective length of the bar).

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

The side face reinforcement is provided if the depth of the web of a beam exceeds

The staggered pitch is the distance between two consecutive rivets measured

For nominal mix concrete M 20, the required quantity of water per 50 kg. of cement, is

The actual length of a column provided with a cap and base, is the distance between

The maximum bending moment in a purlin of length L when subjected to a distributed load , is assumed

A column of rectangular section is considered short, if both the slenderness ratios are less than

The tolerances for the form work of columns and beams range from

The effective length of lacing is the distance

Creep of concrete is assumed proportional to the stress if the stress does not exceed .......of the characteristic compressive strength

The characteristic strength of concrete is the strength of material if its test result is not less than

If a and b are the sides of a square column and its base, the thickness of the base may be calculated from the formula

The minimum length of the side or diameter of the column base shall not be less than (where d is the minimum diameter of the column).

Four reinforcing bars of 30 mm diameter each, are bundled in contact. The lower two bars extend up to end supports. The distance between the points of termination of the upper bars, is kept

The minimum thickness of the web plate for a crane gantry plate girder with a lifting load exceeding 15 tonnes, is

The thickness of the rectangular plate for the cap or base of a solid round steel columns, is calculated from the formula where d is

For under water concreting.

If the ends of the compression flanges of simply supported girders are fully restrained against lateral bending, the effective length is taken as

The individual part of the structures is subjected to a load test for 24 hours by applying a load equal to full dead load of the structure plus

The width of lacing bars in mm is kept

The structure which is subjected to an imposed load after 72 hours for a period of 24 hours, is deemed to be unacceptable if it fails to recover the net deflection less than

The pitch of transverse reinforcement of a column is taken as

The pH value of water to be used in concrete shall generally be

If b is the width of a beam, x is the spacing of the stirrup and f_c is the characteristic strength of stirrups, the minimum cross sectional area of stirrup legs, should be equal or greater than

The maximum spacing of shear reinforcement should not exceed 0.75 d subject to a minimum of

M 30 grade concrete means, its compressive strength of 15-cm cube, is 30 N/mm² after

The development length of each bar of three bars bundled together is increased by

If f_ck is the characteristic cube strength of concrete in N/mm², the modulus of elasticity of structural concrete E_c = af_ck where the value of a, is

For deformed reinforcing bars, the permissible design bond stress may be increased by

The ratio of the lacing bars for compression members shall not exceed

Columns are designed for a minimum eccentricity equal to 1/30 (unsupported length ofthe column), subject to a minimum of

The minimum diameter of longitudinal reinforcement of a column should not be less than

High pressure grouting is generally restored for concreting in the lining if the rock strata is:

For spans upto 10 m, the safe span to depth ratio for