14.

15.

16.

17.

18,

19.

20.

Strength of a 20 mm diameter bolt of grade 4.6 for a single cover butt joint. The cover plate
being 10 mm thick. Assume steel of grade Fe 410, f, =410 MPa, for bolts of grade 4.6,

நீடி“ 400 MPa, Partial safety factor for the material of the bolt 7., = 1.25 and net tensile
stress area of 20 mm diameter bolt A, = 245 mm2, k; =0.5 in single shear is :

ல ஸு യു 45.26kN

(©) 96.0kN . (1))1251(1\'-

Minimum grade of concrete mix used for water retaining structures with alternate wetting
and drying :

@) M20 (೫) M25

(© भ 30 (D) M35

A hook 12 mm diameter is embedded in concrete for a distance of 100 mm. Calculate the
maximum load which the hook can carry if the bond stress is not to exceed 1.28 N/mm* :

(வி 5100N B) 415N
© 4825 N (0) 5000 7

Year's purchase for an old building if its future life is 15 years and the rate of interest is 7%
on capital and 4% for sinking fund :

(ಗ) 8.883 . (8) 9.231

(@ 10.11 (1) 10.21

A beam of span / carries a concentrated load P at mid span. Work done by the external load
18:

23 ५8
21 01
( ന ~
۵ ल्ल ۵ ‏رو‎
‎{४ ற
‏ان‎ D) ‏العا‎
‎© ன © ल्ल

A three hinged arch of span 20 m and rise 4 m carries a uniformly distributed load of
25 kN/m. Horizontal thrust is :

(ಹ) ۲ (B) 500 kN

(0) 3125kN (D) 425 kN

Find the shortest length L for a pin ended steel column having a cross section of
60 7271 ೬100 721% 107 which Euler's formula applies. Take Es=2x10°N/mm? and critical
proportional limit is 250 N/mm®:

(A) 6000 mm (ए) 2500 mm

(C) 2000 mm (D) 1539 mm

5 028/2016
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