10000ME401122002

concentration into account.

5
(Fig. 2)
PART ‏تا‎
‎Answer any two full questions, each carries 15 marks.
4 a) What is meant by preloading/pretension in bolts? (5)
b) A steel bracket as shown in Fig. 3 (dimensions in mm) is secured to a wall by means (10)
of 4 steel bolts. The load on the bracket is 15 kN which acts at a distance of 175 mm
from the wall. Determine the size of the bolt.
25
150
x
(Fig. 3)
(15)

5 A bracket carrying a load of 20 KN is to be welded as shown in Fig. 4. Calculate the

size of the weld if the shear stress in the weld is not to exceed 70 N/mm”.

HE

1110011010

ಒಟ 111111೧

(Fig. 4)

Page 2 of 3