SHREE PRABHAT SECONDARY SCHOOL
Bharatpur-25, Chitwan
PRE-BOARD EXAMINATION-2081
Subject: RCC Structure Time: 2 hrs. FM: 50
Class: XII Civil Eng. PM: 20
“Candidates are required to give their answers in their own words as far as
practicable. The figures in margin indicate full marks.”
Attempt all the questions:
Group: A Group B
Choose the best alternative to the following questions: [9x1 = 9] Answer the following questions: [5x5 = 25]
1. The acceptable limit of safety and serviceability before failure occurs 1. Differentiate between working stress method and limit state method.
is called: 2. Design a rectangular beam to resist factored bending moment of 90
a) Limit state b) Failure state KNm using M20 concrete and Fe500 steel.
c) Ultimate state d) none of the above 3. Discuss the design procedures of shear reinforcement.
2. In the limit state method, the basis of the analysis of structure is 4. An RCC short column 500mm X 500mm is carrying a factored load
a) Linear elastic theory b) Non-linear theory of 3000 KN. Design the column emin<0.05D. Use M20 concrete and
c) Plastic method of analysis d) Involving fracture mechanics Fe500 steel.
3. The characteristic strength of concrete is the strength of material if its 5. A column is 250 mm X 250 mm is made of Saal Wood. Determine
test is not less than the safe load for the column, if the unsupported length of column is
a) 2% b) 3% c)4% d) 5% 4m.
4. The maximum strain in concrete at the outer most fiber is:
a) 0.002 b) 0.003 c) 0.0035 d) 0.0025 Group C
5. A steel plate is 300mm wide and 40mm thick is connected using Give long answers to the following questions: [2x8=16]
24mm dia. bolts of 3 nos. The net sectional area of plate is 1. Design a one-way slab with clear span of 3.5 m simply supported on
a) 9840 mm2 b) 8880 mm2 c) 9480 mm2 d) 8490 mm2 200 mm thick masonry wall to support a live of 4 KN/m2. Adopt M20
6. Which of the following is not a compression member? grade concrete and Fe415 HYSD bar.
a) Strut b) Tie c) Rafter d) Boom
7. The ratio of height of truss to the span is: 2. Design a single strut angle for a roof truss carrying a compressive
a) Pitch b) Rise c) chord d) strut load of 100 KN. The length of strut between center to center of
8. The modulus of elasticity of Saal Wood is: intersection is 1.8 m. Assume any suitable data if necessary.
a) 12.7x103 N/mm2 b) 7.9x103 N/mm2 .
c) 10.5x103 N/mm2 d) 13.8x103 N/mm2
9. Timber beams are: ***Good Luck***
a) tension member b) compression member
c) flexural member d) all of the above
SHREE PRABHAT SECONDARY SCHOOL 18. Timber beams are:
Bharatpur-25, Chitwan a) tension member b) compression member
Annual Examination-2079 c) flexural member d) all of the above
(Set-2)
Subject: RCC Structure Time: 2 hrs. FM: 50
Class: XII Civil Eng. PM: 20
“Candidates are required to give their answers in their own words as far as
practicable. The figures in margin indicate full marks.”
Attempt all the questions: (Allowed to use necessary codes) Group B
Group: A Answer the following questions: [5x5 = 25]
Choose the best alternative to the following questions: 1. Define neutral axis and moment of resistance. Explain about under,
[9x1 = 9] balanced and over reinforced section.
10. The characteristic strength of concrete is the strength of material if its 2. Determine the stress developed in steel and concrete of RCC beam
test is not less than 400mm wide and 600mm effective depth, reinforced with 4 bars of
b) 2% b) 3% c)4% d) 5% 25mm in tension zone. The beam is subjected to bending moment of
11. The maximum strain in concrete at the outer most fiber is: 150 KNm. Use M20 concrete.
b) 0.002 b) 0.003 c) 0.0035 d) 0.0025 3. Design a rectangular beam to carry factored bending moment of 375
12. The acceptable limit of safety and serviceability before failure occurs KNm. Assume b=250mm, d=500mm, d’=75mm, f ck=30 N/mm2,
is called: fy=500 N/mm2.
b) Limit state b) Failure state 4. a. Define shear reinforcement and write its types with sketch.
c) Ultimate state d) none of the above b. Give the design steps for axially loaded short column.
13. The minimum dia. of longitudinal reinforcement of column should c. A column is 200mm X 200mm. If the unsupported length of column
not be less than is 3m and made up of Saal Wood, find the safe load in column.
a) 6mm b) 8mm c) 10mm d) 12mm
14. Factor of safety is the ratio of Group C
a) Yield stress to working stress b) tensile stress to Give long answers to the following questions: [2x8=16]
working stress 1. What is meant by limit state? Deign a one way slab with clear span of
c) Compressive stress to working stress d) bearing stress 3.5 m simply supported on 200mm thick masonry wall to support a
to working stress live load of 4 KN/m2.Adopt M20 concrete and Fe415 steel. (Only
15. Which of the following is a strut reinforcements)
b) Tension member b) flexural member 2. a. Define tension, compression member, radius of gyration and
c) torsion member d) compression member slenderness ratio.
16. The ratio of height of truss to the span is: b. Give design steps and assumption for design of compression
b) Pitch b) Rise c) chord d) strut member.
17. Slenderness ratio of solid timber column should not be greater than: .
a) 50 b) 60 c) 70 d) 80
***Good Luck***
