MCQ
1. In designing unstiffened seated connections, the length of seating angle is assumed to be ---the width of flange of the beam.
equal to
less than
more than
2. The shear stress in a beam at neutral axis is-
zero
maximum
minimum
3. The unstiffened seated connections are used to transmit end reaction of beam upto-
100kN
150kN
200KN
300kN
4. The maximum deflection, for a simply supported beam, should not exceed-
1/125 of span
1/225 of span
1/325 of span
1/425 of span
5. Any major beam in a structure is known as a-
subsidiary beam
joist
girder
secondary beam
6. The vertical plate of a plate girder is termed as-
web plate
flange plate
cover plate
none of these
7. In the riveted built-up beams, an allowance of about--- of the area of cover plates is added to the calculated area.
10%
15%
20%
25%
8. In general, the depth of plate girder is kept as ---of span.
1/5 to 1/8
1/8 to 1/10
1/10 to 1/12
1/12 to 1/16
9. A beam that is safe in web crippling will not be safe in web buckling.
Agree
Disagree
10. A beam is a structural member subjected to loads.
axial
tansverse
axial and transverse
11. Spans of continuous fillers are considered approximately equal when the longest span does not exceed the shortest span by more than---
5%
10%
15%
20%
12. In a plate girder, the vertical stiffeners are provided when the ratio of clear depth to the thickness of web exceeds---
50
75
65
85
13. The allowable bearing stress for rolled
128 N/mm²
156N/mm²
189N/mm²
228 N/mm²
14. A web plate is called stiffened, when the ratio of clear depth to thickness of web is-
greater than 55
greater than 65
greater than 75
greater than 85
15. The beams supporting the stair steps are called as-
spandrel beams
trimmers
rafters
stringers
16. The steel beam of light sections placed in plain cement concrete are called-
joists
simple joists
filler joists
concrete joists
17. The main beam is a beam, which supports-
floor construction
joists
secondary beam
none of these
18. The maximum allowable stress for rolled steel beams and channels is-
128.5 MPa
181.5 MPa
156.5 MPa
228.5 MPa
19. The beams resting on purlins are known as-
spandrel beams
rafters
trimmers
stringers
20. The accuracy of micrometer, calipers, dial Indicators can be checked by-
feeler gauge
ring gauge
slip gauge
plug gauge