Explore topic-wise MCQs in Prestressed Concrete Structures.

This section includes 19 Mcqs, each offering curated multiple-choice questions to sharpen your Prestressed Concrete Structures knowledge and support exam preparation. Choose a topic below to get started.

1.

Find resultant maximum long term deflection if ϕ is 2.6, αy is 38.5mm, αg is 46mm, αp is 74.7mm?

A. 95mm
B. 35mm
C. 55mm
D. 20mm
Answer» B. 35mm
Discussion
2.

Calculate the span section cracked in flexure (M=M0) Fcp = 23.4n/mm2, zb is 99×106 and stress induced is 1000?

A. 1200kn
B. 1850kn
C. 2300kn
D. 4300kn
Answer» C. 2300kn
Discussion
3.

Find ratio for ultimate flexural strength at the centre – span section given that Aps = 3000mm2, d = 1150mm, fcu = 50n/mm2, bw = 150mm, fpu = 1500n/mm2, b = 600mm, ht = 250mm, design ultimate moment mud = 3400knm?

A. 9.5
B. 0.23
C. 6.7
D. 3.4
Answer» C. 6.7
Discussion
4.

Find force in cable using Freyssinet cables 12-8mm diameter and stressed to 1100n/mm2 of eccentricity 50 and the prestressing force is given as 1000n/mm2?

A. 660kn
B. 234kn
C. 300kn
D. 230kn
Answer» B. 234kn
Discussion
5.

Find prestressing force if area is 36.75mm2 of eccentricity 580 given finf is 26.5kn/m and zb is 99×106?

A. 405
B. 308
C. 453
D. 206
Answer» C. 453
Discussion
6.

Find the Permissible stresses and range of stresses for class 1 structure fcu = 50n/mm2, fck = 35n/mm2 according to BS: 8110 recommendations for fcu = 50n/mm2 and fci = 35n/mm2,fct = 0.5fci = 17.5n/mm2?

A. 16.5n/mm2
B. 12.56n/mm2
C. 13.56n/mm2
D. 12.00n/mm2
Answer» B. 12.56n/mm2
Discussion
7.

Calculate working moment if design working load is 19.8kn/m covered over a span of 30m (actual self weight of girder is 8.8kn/m)?

A. 3000
B. 2000
C. 4340
D. 2230
Answer» E.
Discussion
8.

Find cross-sectional dimensions thickness of web if hf/d ratio is 0.23 and bw/b ratio is 0.25 and b is 0.5d?

A. 100mm
B. 110mm
C. 120mm
D. 30mm
Answer» D. 30mm
Discussion
9.

Calculate ultimate moment and shear of effective span is 30m, live load is 9kn/m, dead load excluding self weight is 2kn/m, load factors for dead load is 1.4 for live load is 1.6 cube strength of concrete fcu is 50n/mm2 cube strength at transfer is fci is 35n/mm2, tensile strength of concrete Ec is 34kn/mm2 loss ratio ɳ is 0.85 and 8mm diameter high tensile strength fpu is 1500n/mm2 are available for use and the modulus of elasticity of high tensile wires is 200kn/mm2?

A. 340 and 450kn
B. 240 and 340kn
C. 140 and 240kn
D. 100 and 200kn
Answer» B. 240 and 340kn
Discussion
10.

CALCULATE_THE_SPAN_SECTION_CRACKED_IN_FLEXURE_(M=M0)_FCP_=_23.4N/MM2,_ZB_IS_99‚ÄÖ√†√∂‚Àւ•106_AND_STRESS_INDUCED_IS_1000??$#

A. 1200kn
B. 1850kn
C. 2300kn
D. 4300kn
Answer» C. 2300kn
Discussion
11.

Find_resultant_maximum_long_term_deflection_if_ϕ_is_2.6,_αy_is_38.5mm,_αg_is_46mm,_αp_is_74.7mm?$#

A. 95mm
B. 35mm
C. 55mm
D. 20mm
Answer» B. 35mm
Discussion
12.

Calculate the slope of cable section at support uncracked in flexure given that eccentricity is 410, length is 30m and stress induced is 1000?

A. 0.0547
B. 2.456
C. 0.0234
D. 0.0123
Answer» B. 2.456
Discussion
13.

Find ratio for ultimate flexural strength at the centre – span section given that Aps = 3000mm2, d= 1150mm, fcu = 50n/mm2, bw = 150mm, fpu = 1500n/mm2, b = 600mm, ht = 250mm, design ultimate moment mud = 3400knm?$

A. 9.5
B. 0.23
C. 6.7
D. 3.4
Answer» C. 6.7
Discussion
14.

Find force in cable using Freyssinet cables 12-8mm diameter and stressed to 1100n/mm2 of eccentricity 50 and the prestressing force is given as 1000n/mm2?

A. 660kn
B. 234kn
C. 300kn
D. 230kn
Answer» B. 234kn
Discussion
15.

Find prestressing force if area is 36.75mm2 of eccentricity 580given finf is 26.5kn/m and zb is 99√ó106?$

A. 405
B. 308
C. 453
D. 206
Answer» C. 453
Discussion
16.

Find the Permissible stresses and range of stresses for class 1 structure fcu = 50n/mm2,fck = 35n/mm2 according to BS: 8110 recommendations for fcu = 50n/mm2 and fci = 35n/mm2,fct = 0.5fci= 17.5n/mm2?

A. 16.5n/mm<sup>2</sup>
B. 12.56n/mm<sup>2</sup>
C. 13.56n/mm<sup>2</sup>
D. 12.00n/mm<sup>2</sup>
Answer» B. 12.56n/mm<sup>2</sup>
Discussion
17.

Calculate working moment if design working load is 19.8kn/m covered over a span of 30m( actual self weight of girder is 8.8kn/m)?

A. 3000
B. 2000
C. 4340
D. 2230
Answer» E.
Discussion
18.

Find cross-sectional dimensions thickness of web if hf/d ratio is 0.23 and bw/b ratio is 0.25 and b is 0.5d?

A. 100mm
B. 110mm
C. 120mm
D. 30mm
Answer» D. 30mm
Discussion
19.

Calculate ultimate moment and shear of effective span is 30m, live load is 9kn/m, dead load excluding self weight is 2kn/m, load factors for dead load is 1.4 for live load is 1.6 cube strength of concrete fcu is 50n/mm2 cube strength at transfer is fci is 35n/mm2, tensile strength of concrete Ec is 34kn/mm2 loss ratio …≥ is 0.85 and 8mm diameter high tensile strength fpu is 1500n/mm2 are available for use and the modulus of elasticity of high tensile wires is 200kn/mm2?

A. 340 and 450kn
B. 240 and 340kn
C. 140 and 240kn
D. 100 and 200kn
Answer» B. 240 and 340kn
Discussion