Practice Test: Question Set - 03
1. Lowest value of joint efficiency is assumed in case of
- (A) Single
riveted butt joint
- (B) Double
riveted lap joint
- (C) Double
riveted butt joint
- (D) Single
riveted lap joint
2. Rivets are usually made of
- (A) High
carbon steel
- (B) Alloy
steel
- (C) Cast iron
- (D) Mild steel
3. In butt joint, the size of weld is equal to
- (A) 0.5 × throat
of weld
- (B) Throat of
weld
- (C) 2 × throat
of weld
- (D) √2 × throat
of weld
4. Pan Head rivets are used in
- (A) Ship
hulls
- (B) Light
sheet metal work
- (C) Structural
work
- (D) Air
conditioning ducts
5. The size of a fillet weld is given by,
- (A) Throat
of fillet
- (B) Smaller
side of triangle
- (C) Hypotenuse
of triangle
- (D) Bigger
side of triangle
6. According to Unwin’s formula, the relationship between the diameter of rivet (d) and thickness of cylinder wall (t) is
- (A) d = 5√t
- (B) d = 6√t
- (C) d = 1.6√t
- (D) d = √t
7. The edges of boiler plates are beveled at an angle of 700 to 750 for
- (A) Caulking
and fullering
- (B) Safety
- (C) To
facilitate riveting
- (D) To
reduce stress concentration
8. The shear resistance of one rivet in double shear is
- (A) 2.5
times its resistance in single shear
- (B) Two times
its resistance in single shear
- (C) 1.875
times its resistance in single shear
- (D) 1.5
times its resistance in single shear
9. The purpose of longitudinal butt joint in boiler shell is
- (A) To
make cylindrical ring from steel plate
- (B) To increase
the length of boiler shell by connecting one ring to another
- (C) To
make diameter and length of boiler shell
- (D) To
connect openings to shell
10. In transverse fillet welded joint, the size of weld is equal to
- (A) 0.5 × throat
of weld
- (B) Throat of
weld
- (C) 2 × throat
of weld
- (D) √2 × throat
of weld
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