Consider the following statements :
1. There will be no defects in select grade timbers.
2. The codal values for strength of grade-II timer without defects may be reduced by 37.5%.
3. For timber used as columns, the permissible stress in ungraded timbers is adopted with a multiplying factor of 0.50.
4. In case of wind force and earthquakes, a modification factor of 1.33 is adopted. Which of the above statements are correct ? 

Consider the following statements regarding timber :
1. The strength of timber increases by Kiln seasoning.
 2. Cutting of wood is to be done prior to treatment.
3. Water seasoning is good for prevention of warping.
4. ASCU treatment enhances the strength of wood. Which of the above statements are correct ?

Gase(s) emitted during rotting or decomposition of timber is /are mainly

Efflorescence of bricks is due to

Disintegration of bricks masonry walls is primarily due to
1. Efflorescence
2. Magnesium sulphate in brick  
3. Calcined clay admixtures
4. Kankar nodules
Which of the a above statements are correct ? 

Consider the following test :
1. Transverse strength test
2. Water absorption test
3. Impact test
4. Breaking strength test
Which of the above are relevant to testing of tiles ?

Which of the following statements is/are correct regarding the strength of cement ?
1. Particle sizes less than 3 m increases the viscous nature of the cement.
2. Finer particles in cement can be replaced by fly-ash to improve the strength.

The constituent compound in Portland cement which reacts immediately with water, and also sets earliest, is

Which of the following statements are correct with regard to cement mortar ?
1. Workability of cement mortar can be improved by addition of lime.
2. Fly-ash cement is economical in plastering jobs.
3. Addition of saw dust improves workability.
4. Sand in mortar can be replaced by finely crushed fire bricks.

In a concrete mix of proportion 1 : 3 : 6, the actual quantity of sand, which is judged to have undergone 15% bulking, per unit volume of cement, will be

Which method of curing of concrete is recommendable for rapid gain of strength of concrete ?

Which of the following is appropriate as  simple field method for assesing consistency of concrete ?

Which of the following are relatable to Autoclaved Aerated Concrete ?
1. Light weight
2. Strong
3 Inorganic
4. Nontoxic

The workability of concrete becomes more reliable depending on
1. Aggregate-cement ratio
2. Time of transit
3. Grading of the aggregate

Which of the following statements are correct for stresses acting on mutually perpendicular faces of a plane element ?
1. The sum of the normal stresses in mutually perpendicular planes is equal to the sum of the principal stresses.
2. The shearing stresses in two mutually perpendicular planes are equal in magnitude and direction.
3. Maximum shear stress is half of the difference between principal stresses.

Which of the following statements are correct?
1. Strain in the direction of applied stress is known as longitudinal strain.
2. Tensile stress results in tensile strain in linear and lateral directions.
3. Strains in all directions perpendicular to the applied stress are known as lateral strain. 4. Ratio of change in volume to original volume is known as volumetric strain.

In the cross-section of a timber, cambium layer can occur in

Consider the following statements :
1. In the infinitesimal strain theory, dilatation is taken as an invariant.
2. Dilatation is not proportional to the algebraic sum of all normal stresses.
3. The shearing modulus is always less than the elastic modulus.
Which of the above statements is/are correct ?

Which one of the following represents constitutive relationship ?

Principal stresses at a point are 80 N/mm² and 40 N/mm², both tensile. The yield stress in simple tension for this material is 200 N/mm². The values of factors of safety according to maximum principal stress theory and maximum shear stress theory, respectively, are

The principal stresses at a point are 2  (tensile) and  (compressive), and the stress at elastic limit for the material in simple tension is 210 N/mm². According to maximum shear strain theory, the value of  at failure is

Which of the following statements are correct ?
1. Cranes are employable in moving and/or hoisting loads.
2. With the use of dipper and stick, power shovels can be used as hoes.
3. Ovedrive for higher speeds is a facility often used comfortably in the working of a tractor.
4. Clam shells are less desirable than draglines if the material is water-saturated.

Two similar bars of Steel and Aluminium are heated to a same temperature. Forces are applied at the ends of the bars to maintain their lengths unaltered. If the  ratio of Young’s moduli of Steel and Aluminium is 3, and the ratio of the coefficients of thermal expansion of Steel to that of aluminium is 0.5, what is the stress on the Aluminium bar if the stress on the Steel bar is 100 MPa ?

A structural steel beam has an unsymmetrical I-cross-section. The overall depth of the beam is 200 mm. The flange stresses at the top and bottom are 120 N/mm² and 80 N/mm², respectively. The depth of the natural axis from the top of the beam will be

In the analysis of beams subjected to loads, the point with Nil Bending Moment can be a
1. Point of Contraflexure
2. Point of Maximum Shear Force
3. Point of Inflection
Which of the above statements is/are correct ?

A tractor has a permissible loaded speed of 200 m/minute, which can increase by 25% when the load is removed/deposited. Generally, it is operated at 80% of the permissible speed (loaded unloaded). It works at a location where haul distance is 120 m. Rest allowance per round-trip is taken as 50 seconds on an average. Fixed time per trip, for loading and unloading and turnaround, etc., is 30 seconds. What is its effective cycle time?

The purpose of lateral ties in a short RC column is to

When a two-hinged parabolic arch is subjected to a rise in ambient temperature, the horizontal thrust at the support will

In the slope-deflection equations, deformations are considered to be caused by

The maximum bending moment caused by a set of concentrated moving loads is

Force method of analysis of a structure is particularly preferred when
1. The degrees of freedom of the structure become large
2. The structure has less number of static, and more number of kinematic, indeterminacies
3. The structure has more numbers of static, and less numbers of kinematic, indeterminacies

Stiffness matrix method is the category of
1. Compatibility method
2. Displacement method
3. Force method
4. Equilibrium method

Muller-Breslau Principal for obtaining influence lines is applicable to
1. Statically determinate beams and frame
2. Statically indeterminate structures, the material of which is elastic, and follows Hooke’s law.
3. Any statically indeterminate structure

The plastic neutral axis
1. Divides the given section into two equal halves
2. Divides the given section into two unequal parts
3. Lies on the centroidal axis of the section

The plastic moment capacity MP is

Web crippling is caused by

The block shear failure of a bolted joint in tension occurs because of
1. Use of higher shear strength bolts
2. Use of paltes with higher bearing strength

As per IS code, the maximum longitudinal pitch allowed in bolted joints of tension members is nominally

ISMB 100 (r_x = 40 mm, r_y = 10 mm) has been used as a column in a industrial shed. Along the minor axis, the the column has restraints in the form of purlins at 1.0 m intervals. Effective length factor along major and minor axes are 1.2 and 1.0, respectively. If the slenderness ratio is restricted to 120, the maximum column height will be

As per IS 800 – 2007, the permitted slenderness ratio for a bracing member in case of hangers shall be

A rectangular beam of depth d is under bending. Load has been gradually increased when the top fibre has obtained five times the strain at the first yield. What depth of the beam will still respond by elastic conditions?

The ultimate moment capacity of a mild steel section is usually

The portal bracing in a truss-bridge is used to

Consider the following cases in the design of reinforced concrete members in flexure:
1. Over-reinforced section
2. Tension failure
3. Compression failure
4. Under-reinforced section
Which of the above cases are considered for safe design of R.C members in flexure?

The bond between steel and concrete is mainly due to
1. Mechanical resistance
2. Pure adhesive resistance
3. Frictional resistance

The carbonation process is demonstrated more by

When a sprially reinforced short column is loaded axially, the concrete inside the core is subjected to

In a reinforced concrete section, shear stress distribution is diagrammatically

As per IS 456 – 2000, the maximum permissible shear stress, T_Cmax' is based on

Footings shall be designed to sustain the
1. Applied loads
2. Moments and forces under relatable loading conditions
3. Induced reactions