RCC Structures Design MCQ Practice Questions (Civil Eng) Set 3

A part of the slab may be considered as the flange of the T-beam if:


Options are :

  • All the above
  • It is effectively bonded together with the beam
  • Flange has adequate reinforcement transverse to beam
  • It is built integrally with the beam

Answer :All the above

In testing a pile by load test, pile platform is loaded with one and half times the design load and a maximum settlement is noted. The load is gradually removed and the consequent rebound is measured

For a safe pile, the net settlement (i.e. total settlement minus rebound) per tonne of test load should not exceed:


Options are :

  • 20 mm
  • 30 mm
  • 15 mm
  • 25 mm
  • 10 mm

Answer :25 mm

If depth of slab is 10 cm, width of web 30 cm, depth of web 50 cm, centre to centre distance of beams 3 m, effective span of beams 6 m, the effective flange width of the beam, is:


Options are :

  • 150 cm
  • 300 cm
  • 100 cm
  • 200 cm

Answer :150 cm

Irrigation MCQ Practice Questions (Civil Engineering) Set 2

An R.C.C beam of 25 cm width has a clear span of 5 metres and carries a U.D.L. of 2000 kg/m inclusive of its self weight. If the lever arm of the section is 45 cm., the beam is:


Options are :

  • Is safe with stirrups
  • Is safe with stirrups and inclined members
  • Needs revision of the section
  • Safe in shear

Answer :Safe in shear

If the shear stress in a R.C.C. beam is:


Options are :

  • All the above
  • Greater than 20 kg/cm^(2), the size of the section is changed
  • Greater than 4 kg/cm^(2), but less than 20 kg/cm^(2), shear reinforcement is provided
  • Equal or less than 5 kg/cm^(2), no shear reinforcement is provided

Answer :All the above

If the loading on a prestressed rectangular beam, is uniformly distributed, the tendon to be provided should be:


Options are :

  • None of these
  • Parabolic with convexity downward
  • Parabolic with convexity upward
  • Straight below centroidal axis
  • Straight above centroidal axis

Answer :Parabolic with convexity downward

Theory of Structures MCQ Practice Questions (Civil Eng) Set 3

A foundation is called shallow if its depth, is:


Options are :

  • Half of its width
  • All the above
  • Three-fourth of its width
  • Equal to its width
  • One-fourth of its width

Answer :Equal to its width

If the size of a column is reduced above the floor, the main bars of the columns, are:


Options are :

  • Continued up
  • Stopped just below the floor level and separate lap bars provided
  • Bent inward at the floor level
  • All the above

Answer :All the above

In a doubly-reinforced beam if c and t are stresses in concrete and tension reinforcement, d is the effective depth and n is depth of critical neutral axis n, the following relationship holds good:


A.


B.


C.


D.


E.


Options are :

  • B
  • A
  • D
  • E
  • C

Answer :A

RCC Structures Design MCQ Practice Questions (Civil Eng) Set 6

In a combined footing if shear stress does not exceed 5 kg/cm^(2), the nominal stirrups provided are:


Options are :

  • 10 legged
  • 12 legged
  • 6 legged
  • 8 legged
  • None of these

Answer :8 legged

The thickness of the flange of a Tee beam of a ribbed slab is assumed as:


Options are :

  • Twice the width of the rib
  • Thickness of the concrete topping 0d) half the thickness of the rib
  • Width of the rib
  • Depth of the rib

Answer :Thickness of the concrete topping 0d) half the thickness of the rib

On piles, the drop must be at least:


Options are :

  • 140 cm
  • 80 cm
  • 150 cm
  • 100 cm
  • 120 cm

Answer :120 cm

RCC Structures Design MCQ Practice Questions (Civil Eng) Set 4

P is the prestressed force applied to the tendon of a rectangular prestressed beam whose area of cross section is A and sectional modulus is Z. The maximum stress f in the beam, subjected to a maximum bending moment M, is:


A.


B.


C.


D.


E.


Options are :

  • E
  • A
  • D
  • B
  • C

Answer :C

In favourable circumstances a 15 cm concrete cube after 28 days, attains a maximum crushing strength:


Options are :

  • 200 kg/cm^(2)
  • 500 kg/cm^(2)
  • 100 kg/cm^(2)
  • 300 kg/cm^(2)
  • 400 kg/cm^(2)

Answer :400 kg/cm^(2)

The system in which high tensile alloy steel bars (silica manganese steel) are used as prestressing tendons, is known as:


Options are :

  • C.C.L. standard system
  • Freyssinet system
  • Lee-McCall system
  • Magnel-Blaton system

Answer :Lee-McCall system

Construction Management MCQ Practice Questions (Civil Eng) Set 2

If C is creep coefficient, f is original prestress in concrete, m is modular ratio, E is Young's modulus of steel and e is shrinkage strain, the combined effect of creep and shrinkage is:


Options are :

  • (C - 1)mf - eE
  • (1 - C)mf - eE
  • (1 - C)mf + eE
  • (C - 1)mf + eE

Answer :(C - 1)mf + eE

An R.C.C. roof slab is designed as a two way slab if:


Options are :

  • It supports live loads in both directions
  • The slab is discontinuous at edges
  • The ratio of spans in two directions is less than 2
  • The slab is continuous over two supports

Answer :The ratio of spans in two directions is less than 2

If the maximum bending moment of a simply supported slab is M Kg.cm, the effective depth of the slab is (where Q is M.R. factor)


A.


B.


C.


D.


E.


Options are :

  • A
  • B
  • D
  • E
  • C

Answer :E

Theory of Structures MCQ Practice Questions (Civil Eng) Set 4

The anchorage value of a hook is assumed sixteen times the diameter of the bar if the angle of the bend, is:


Options are :

  • 30
  • 60
  • 40
  • 45
  • All the above

Answer :All the above

The live load to be considered for an accessible roof, is:


Options are :

  • 150 kg/m^(2)
  • 200 kg/cm^(2)
  • Nil
  • 75 kg/m^(3)

Answer :150 kg/m^(2)

If jd is the lever arm and ?O is the total perimeter of reinformcement of an R.C.C. beam, the bond stress at the section having Q shear force, is:


A.


B.


C.


D.


Options are :

  • D
  • C
  • A
  • B

Answer :C

Theory of Structures MCQ Practice Questions (Civil Eng) Set 4

The length of the lap in a compression member is kept greater than bar diameter x (Permissible stress in bar / Five times the bond stress) or:


Options are :

  • 36 bar diameters
  • 24 bar diameters
  • 18 bar diameters
  • 12 bar diameters
  • 30 bar diameters

Answer :24 bar diameters

In a combined footing for two columns carrying unequal loads, the maximum hogging bending moment occurs at:


Options are :

  • More loaded column
  • A point of the maximum shear force
  • A point equidistant from either column
  • Less loaded column
  • A point of zero shear force

Answer :A point of zero shear force

A flat slab is supported:


Options are :

  • All the above
  • On beams and columns
  • On columns monolithicaily built with slab
  • On columns
  • On beams

Answer :On columns monolithicaily built with slab

RCC Structures Design MCQ Practice Questions (Civil Eng) Set 1

A circular slab subjected to external loading, deflects to form a:


Options are :

  • Ellipsoid
  • Semi-hemisphere
  • None of these
  • Parabolloid

Answer :Parabolloid

If Sb, is the average bond stress on a bar of diameter d subjected to maximum stress t, the length of the embedment l is given by:


A.


B.


C.


D.


E.


Options are :

  • A
  • D
  • E
  • B
  • C

Answer :D

The diameter of transverse reinforcement of columns should be equal to one-fourth of the diameter of the main steel rods but not less than:


Options are :

  • 7 mm
  • 8 mm
  • 5 mm
  • 4 mm
  • 6 mm

Answer :7 mm

Construction Management MCQ Practice Questions (Civil Eng) Set 1

Though the effective depth of a T-beam is the distance between the top compression edge to the centre of the tensile reinforcement, for heavy loads, it is taken as


A.


B.


C.


D.


E.


Options are :

  • A
  • D
  • C
  • B
  • E

Answer :C

The stem of a cantilever retaining wall which retains earth level with top is 6 m. If the angle of repose and weight of the soil per cubic metre are 30 and 2000 kg respectively, the effective width of the stem at the bottom, is:


Options are :

  • 54.5
  • 55.5
  • 52.5
  • 53.5
  • 51.5

Answer :53.5

If d is the diameter of a bar, ft is allowable tensile stress and fb, is allowable bond stress, the bond length is given by:


A.


B.


C.


D.


Options are :

  • D
  • B
  • C
  • A

Answer :A

RCC Structures Design MCQ Practice Questions (Civil Eng) Set 6

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