MCQ
1. 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
2. The accuracy of micrometer, calipers, dial Indicators can be checked by-
feeler gauge
ring gauge
slip gauge
plug gauge
3. The maximum allowable stress for rolled steel beams and channels is-
128.5 MPa
181.5 MPa
156.5 MPa
228.5 MPa
4. Any major beam in a structure is known as a-
subsidiary beam
joist
girder
secondary beam
5. 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
6. The beams resting on purlins are known as-
spandrel beams
rafters
trimmers
stringers
7. The vertical plate of a plate girder is termed as-
web plate
flange plate
cover plate
none of these
8. The main beam is a beam, which supports-
floor construction
joists
secondary beam
none of these
9. The unstiffened seated connections are used to transmit end reaction of beam upto-
100kN
150kN
200KN
300kN
10. The beams supporting the stair steps are called as-
spandrel beams
trimmers
rafters
stringers
11. A beam is a structural member subjected to loads.
axial
tansverse
axial and transverse
12. The shear stress in a beam at neutral axis is-
zero
maximum
minimum
13. The steel beam of light sections placed in plain cement concrete are called-
joists
simple joists
filler joists
concrete joists
14. The allowable bearing stress for rolled
128 N/mm²
156N/mm²
189N/mm²
228 N/mm²
15. 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%
16. 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
17. 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%
18. 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
19. A beam that is safe in web crippling will not be safe in web buckling.
Agree
Disagree
20. 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