RCC Structures Design MCQ Practice Questions (Civil Eng) Set 5

If Md and Mt are the maximum bending moments due to dead load and live load respectively and F is the total effective pressure, for a balanced design of a prestreseed concrete beam of steel, is:


A.


B.


C.


D.


Options are :

  • D
  • B
  • A
  • C

Answer :B

The modular ratio m of a concrete whose permissible compressive stress is C, may be obtained from the equation:


A.


B.


C.


D.


E.


Options are :

  • E
  • D
  • A
  • C
  • B

Answer :C

Theory of Structures MCQ Practice Questions (Civil Eng) Set 1

If the width of the foundation for two equal columns is restricted, the shape of the footing generally adopted, is:


Options are :

  • Rectangular
  • Trapezoidal
  • Square
  • Triangular

Answer :Rectangular

A pile weighing W1 kg penetrates S metres with its last blow. If W2 is the weight of the hammer having a drop of H metres, the pile can carry a maximum external load:


A.


B.


C.


D.


Options are :

  • C
  • D
  • B
  • A

Answer :B

If the neutral axis of a T-beam is below the slab, the relationship between the flange width B, depth of neutral axis n, thickness of the slab ds, effective depth of the beam d, gross area of tensile steel At and the modular ratio m may be stated as:


A.


B.


C.


D.

Bds(n - ds) = mAt(d - n)


Options are :

  • A
  • D
  • B
  • C

Answer :C

RCC Structures Design MCQ Practice Questions (Civil Eng) Set 7

If the length of an intermediate span of a continuous slab is 5m, the length of the end span is kept:


Options are :

  • 3.0 m
  • 3.5 m
  • 4.0 m
  • 4.5 m
  • None of these

Answer :4.5 m

If permissible compressive stress in concrete is 50 kg/cm^(2), tensile stress in steel is 1400 kg/cm^(2) and modular ratio is 18, the depth d of the beam, is


A.


B.


C.


D.


E.


Options are :

  • B
  • E
  • C
  • D
  • A

Answer :A

The neutral axis of a T-beam exists:


Options are :

  • At the bottom edge of the slab
  • All the above
  • Within the flange
  • Below the slab

Answer :All the above

Hydraulics MCQ Practice Questions (Civil Engineering) Set 8

The maximum ratio of span to depth of a slab simply supported and spanning in one direction, is:


Options are :

  • 30
  • 35
  • 25
  • 15
  • 20

Answer :30

If the tendon is placed at an eccentricity e below the centroidal axis of the lon-gitudial axis of a rectangular beam (sectional modulus Z and stressed load P in tendon) the stress at the extreme top edge:


A.

is increased by


B.

is increased by


C.

is decreased by


D.

Remains unchanged


Options are :

  • C
  • A
  • D
  • B

Answer :C

An R.C.C. column is treated as short column if its slenderness ratio is less than:


Options are :

  • 50
  • 60
  • 40
  • 35
  • 30

Answer :50

Hydraulics MCQ Practice Questions (Civil Engineering) Set 2

A pre-stressed concrete member is preferred because:


Options are :

  • Removal of cracks in the members due to shrinkage
  • Large size of long beams carrying large shear force need not be adopted
  • Its dimensions are not decided from the diagonal tensile stress
  • All the above

Answer :All the above

The ratio of the breadth to effective depth of a beam is kept:


Options are :

  • 0.75
  • None of these
  • 0.50
  • 0.25
  • 0.70

Answer :0.50

The allowable tensile stress in mild steel stirrups, reinforced cement concrete, is:


Options are :

  • 190 kg/cm^(2)
  • 1400 kg/cm^(2)
  • 260 kg/cm^(2)
  • 230 kg/cm^(2)

Answer :1400 kg/cm^(2)

Hydraulics MCQ Practice Questions (Civil Engineering) Set 1

Pick up the correct statement from the following:


Options are :

  • Lateral reinforcement prevents the shearing of concrete on diagonal plane
  • Lateral reinforcement in R.C.C. columns, is kept not less than 5 mm diameter
  • Lateral reinforcement in R.C.C. columns is provided to prevent the longitudinal reinforcement from buckling
  • Lateral reinforcement stops breaking away of concrete cover, due to buckling
  • All the above

Answer :All the above

If A is the sectional area of a prestressed rectangular beam provided with a tendon prestressed by a force P through its centroidal longitudinal axis, the compressive stress in concrete, is:


A.


B.


C.


D.


E.


Options are :

  • D
  • B
  • C
  • E
  • A

Answer :A

For normal cases, stiffness of a simply supported beam is satisfied if the ratio of its span to its overall depth does not exceed:


Options are :

  • 15
  • 30
  • 25
  • 10
  • 20

Answer :20

Irrigation MCQ Practice Questions (Civil Engineering) Set 3

Lapped splices in tensile reinforcement are generally not used for bars of size larger than:


Options are :

  • 36 mm diameter
  • 24 mm diameter
  • 30 mm diameter
  • 32 mm diameter
  • 18 mm diameter

Answer :36 mm diameter

By over-reinforcing a beam, the moment of resistance can be increased not more than:


Options are :

  • 20%
  • 25%
  • 10%
  • 15%

Answer :25%

A very comfortable type of stairs is:


Options are :

  • Dog legged
  • Geometrical
  • Open newel
  • Straight

Answer :Open newel

Hydraulics MCQ Practice Questions (Civil Engineering) Set 9

Long and short spans of a two way slab are ly and lx and load on the slab acting on strips parallel to lx and ly be wx and wy respectively

According to Rankine Grashoff theory:


A.


B.


C.


D.


E.

None of these


Options are :

  • B
  • D
  • E
  • C
  • A

Answer :D

The load stress of a section can be reduced by:


Options are :

  • Increasing the total perimeter of bars
  • Decreasing the lever arm
  • Replacing larger bars by greater number of small bars
  • None of these
  • Replacing smaller bars by greater number of greater bars

Answer :Replacing larger bars by greater number of small bars

The steel generally used in R.C.C. work, is:


Options are :

  • Mildsteel
  • High carbon steel
  • Stainless
  • High tension steel

Answer :Mildsteel

RCC Structures Design MCQ Practice Questions (Civil Eng) Set 8

Spacing of stirrups in a rectangular beam, is:


Options are :

  • Decreased towards the centre of the beam
  • Increased at the centre of the beam
  • Kept constant throughout the length
  • Increased at the ends

Answer :Increased at the centre of the beam

If p1 and P2 are effective lateral loadings at the bottom and top exerted by a level earth subjected to a superload on the vertical face of height h of a retaining wall, the horizontal pressure p per unit length of the wall, is:


A.


B.


C.


D.


Options are :

  • A
  • D
  • B
  • C

Answer :C

Steel bars are generally connected together to get greater length than the standard length by providing:


Options are :

  • Hooked splice
  • All the above
  • Dowel splice
  • Straight bar splice

Answer :All the above

Irrigation MCQ Practice Questions (Civil Engineering) Set 4

According to I.S.: 456, 1978 the thickness of reinforced concrete footing on piles at its edges, is kept less than:


Options are :

  • 20 cm
  • 15 cm
  • 5 cm
  • 10 cm
  • 25 cm

Answer :15 cm

If Ac, Asc and A are areas of concrete, longitudinal steel and section of a R.C.C. column and m and ?c are the modular ratio and maximum stress in the configuration of concrete, the strength of column is:


Options are :

  • All the above
  • ?c[A + (m - 1)ASC]
  • ?cAc + m ?cAsc
  • ?c(A - Asc) + m ?cAsc

Answer :All the above

For a continuous floor slab supported on beams, the ratio of end span length and intermediate span length, is:


Options are :

  • 0.7
  • 0.6
  • 0.8
  • 0.9

Answer :0.9

Hydraulics MCQ Practice Questions (Civil Engineering) Set 4

In a slab, the pitch of the main reinforcement should not exceed its effective depth:


Options are :

  • Two times
  • Four times
  • Three times
  • Five times

Answer :Three times

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