A cantilever beam of length L and a cross section with shape factor f supports a

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A cantilever beam of length L and a cross section with shape factor f supports a concentrated load P as shown below

The length L_P of the plastic zone, when the maximum bending moment equals the plastic moment M_P, given by
Options
A.
B.
C.
D.

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1. Un-factored maximum bending moments at a section of a reinforced concrete beam resulting from a frame analysis are 50, 80, 120 and 180 kNm under dead, live, wind and earthquake loads respectively. The design moment (kNm) as per IS: 456-2000 for the limit state of collapse (flexure) is
Options
A. 195
B. 250
C. 345
D. 372

4. A reinforced concrete column contains longitudinal steel equal to 1 percent of net cross-sectional area of the column. Assume modular ratio as 10. The loads carried (using the elastic theory) by the longitudinal steel and the net area of concrete, are P_s and P_c respectively. The ratio P_s/P_c expressed as percent is
Options
A. 0.1
B. 1
C. 1.1
D. 10

5. A tube well having a capacity of 4 m³/hour operates for 20 hours each day during the irrigation season. How much area can be commanded if the irrigation interval is 20 days and depth of irrigation is 7 cm?
Options
A. 1.71 x 10⁴ m²
B. 1.14 x 10⁴ m²
C. 22.9 x 10⁴ m²
D. 2.29 x 10⁴ m²

7. Flexible pavements derive stability primarily from :
Options
A. aggregate interlock, particle friction and cohesion
B. cohesion alone
C. the binding power of bituminous materials
D. the flexural strength of the surface course

8. The capacities of "One-way 1.5 m wide sidewalk (persons per hour)" and "One-way 2-lane urban road (PCU per hour, with no frontage access, no standing vehicles and very little cross traffic)" are respectively.
Options
A. 1200 and 2400
B. 1800 and 2000
C. 1200 and 1500
D. 2000 and 1200

9. Maximum size of a fillet weld for a plate of square edge is
Options
A. 1.5 mm less than the thickness of the plate
B. one half of the thickness of the plate
C. thickness of the plate itself
D. 1.5 mm more than the thickness of the plate

10. Is 459-1978 recommends to provide certain minimum steel in a RCC beam
Options
A. to ensure compression failure
B. to avoid rupture of steel in case a flexural failure occurs
C. to hold the stirrup steel in position
D. to provide enough ductility to the beam

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