Practice Pakistan's most useful MCQs for competitive exams

In a singly reinforced beam, the effective depth is measured from its compression edge to_________________?

• (A)  Tensile edge
• (B)  Tensile reinforcement
• (C)  Neutral axis of the beam
• (D)  Longitudinal central axis

Answer

Submitted By :Ali Uppal

For stairs spanning l metres longitudinally between supports at the bottom and top of a flight carrying a load w per unit horizontal area, the maximum bending moment per metre width, is_______________?

• (A)  wl²/4
• (B)  wl²/8
• (C)  wl²/12
• (D)  wl²/16

Answer

Submitted By :Ali Uppal

If T and R are tread and rise respectively of a stair, then_______________?

• (A)  2R + T = 60
• (B)  R + 2 T = 60
• (C)  2R + T = 30
• (D)  R + 2 T = 30

Answer

Submitted By :Ali Uppal

A short column 20 cm × 20 cm in section is reinforced with 4 bars whose area of cross section is 20 sq. cm. If permissible compressive stresses in concrete and steel are 40 kg/cm2 and 300 kg/cm2, the Safe load on the column, should not exceed_______________?

• (A)  4120 kg
• (B)  41,200 kg
• (C)  412,000 kg
• (D)  None of these

Answer

Submitted By :Ali Uppal

The minimum number of main steel bars provided in R.C.C________________?

• (A)  Rectangular columns is 4
• (B)  Circular columns is 6
• (C)  Octagonal columns is 8
• (D)  All the above

Answer

Submitted By :Ali Uppal

If the size of a column is reduced above the floor, the main bars of the columns, are_____________?

• (A)  Continued up
• (B)  Bent inward at the floor level
• (C)  Stopped just below the floor level and separate lap bars provided
• (D)  All the above

Answer

Submitted By :Ali Uppal

carrying a uniformly distributed load per metre length is suspended at the A pile of length centre and from other two points 0.15 L from either end ; the maximum hogging moment will be_______________?

• (A)  WL²/15
• (B)  WL²/30
• (C)  WL²/60
• (D)  WL²/90

Answer

Submitted By :Ali Uppal

The maximum ratio of span to depth of a cantilever slab, is_______________?

• (A)  8
• (B)  10
• (C)  12
• (D)  16

Answer

Submitted By :Ali Uppal

[A + (m – 1)ASC] known as equivalent concrete area of R.C.C. is given by______________?

• (A)  Modular ratio method
• (B)  Load factor method
• (C)  Ultimate load method
• (D)  None of these

Answer

Submitted By :Ali Uppal

A pre-stressed concrete member__________________?

• (A)  Is made of concrete
• (B)  Is made of reinforced concrete
• (C)  Is stressed after casting
• (D)  Possesses internal stresses

Answer

Submitted By :Ali Uppal