Practice Test: Question Set - 02
1. Pick up the correct statement from the following:
- (A) The
diameter of a rivet, before driving is taken as the nominal diameter of the
rivet
- (B) The
diameter of the rivet hole is taken as the gross area of the rivet
- (C) For rivets
of nominal diameters exceeding 25 mm, the diameter of the rivet hole is taken
as the nominal diameter of the rivet plus 2 mm
- (D) All the
above
2. For achieving suitably a low permeability
- (A) Strong
and dense aggregates are used
- (B) Low
water - cement ratio is used
- (C) Proper
curing is done for hydration
- (D) All the
above
3. The thickness of the steel
- (A) Exposed
to weather and accessible for repainting, should be not less than 6 mm
- (B) In main members
not directly exposed to weather should not be less than 6 mm
- (C) In secondary
members not directly exposed to weather shall be not less than 4.5 mm
- (D) All the
above
4. For design purpose, the moment at the support where two unequal spans or spans not equally loaded meet, is
- (A) Lesser value
- (B) Greater
value
- (C) Average of
two values
- (D) None of
these
5. All reinforcement should be free from
- (A) Loose mill
scales
- (B) Loose rust
- (C) Paints
- (D) All the
above
6. Pick up the correct statement from the following:
- (A) The cover of
a longitudinal reinforcing bar in a column is kept not less than the diameter
of the bar or 40 mm
- (B) The
cover of a longitudinal reinforcing bar in beam is kept not less than the
diameter of the bar or 25 mm
- (C) The end
cover of a longitudinal reinforcing bar in a beam is kept not less than twice
the diameter or 25 mm
- (D) All the
above
7. Pick up the correct statement from the following:
- (A) The
effective span of a simply supported beam is clear span plus its effective
depth or centre to centre of supports whichever is less
- (B) The
effective span of a simply supported slab is clear span plus its effective depth
or centre to centre of supports whichever is less
- (C) For
spans with roller or rocker bearing, the effective span is the distance between
the centers of bearings
- (D) All the
above
8. The thickness of flat double lacing is taken (where l is the effective length of the bar).
- (A) l/20
- (B) l/30
- (C) l/40
- (D) l/60
9. Pick up the correct statement regarding columns.
- (A) The cross
sectional area of longitudinal reinforcement, should not be less than 0.8% nor
more than 4% of its gross sectional area
- (B) The
minimum of longitudinal bars provided in rectangular and circular columns are 4
and 6 respectively
- (C) If
the effective length of a column is less than three times its lateral
dimension, it is generally called a pedestal
- (D) All the
above
10. The actual length of a column provided with a cap and base, is the distance between
- (A) Top of the
base and underside of the cap
- (B) Bottom of
the base and underside of the cap
- (C) Top of the
base and top of the cap
- (D) Bottom of
the base and top of the cap
11. The maximum compressive strength on 15 cm cubes of M 20 grade concrete at 7 days, should be a minimum of
- (A) 7 N/mm2
- (B) 10 N/mm2
- (C) 15 N/mm2
- (D) 20 N/mm2
12. For deformed reinforcing bars, the permissible design bond stress may be increased by
- (A) 20 %
- (B) 30 %
- (C) 40 %
- (D) 60 %
13. The overall depth of a solid slab is 20 cm and effective depth is 15 cm. The horizontal distance between parallel main reinforcement should not be more than
- (A) 30 cm
- (B) 40 cm
- (C) 45 cm
- (D) 60 cm
14. Minimum thickness of steel work directly exposed to weather and accessible for cleaning and repainting, the thickness should be not less than
- (A) 4 mm
- (B) 6 mm
- (C) 8 mm
- (D) 7 mm
15. The slenderness ratio of single angle discontinuous struts connected by a single rivet or bolt, shall not exceed
- (A) 110
- (B) 130
- (C) 150
- (D) 180
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