# Practice Test: Question Set - 06

**1. Pick up the correct statement from the following:**

- (A) The distance
between centers of two adjacent rivets in line with the direction of stress
shall not exceed 16

*t*or 200 mm whichever is less in tension members

- (B) The distance
between the centers of two adjacent rivets in line with the direction of stress
shall not exceed 12

*t*or 203 mm whichever is less in compression members

- (C) The
minimum pitch of rivets should not be less than 2.5 times the diameter of the
rivet hole

- (D) All the above

**2. If**

*f*and_{bt}*f*are the numerical values of bending tension and shear stresses, the equivalent stress_{s}*f*, is_{e}- (A) √

*(f*

_{bt}^{2}+

*f*

_{s}^{2}

*)*

- (B) √

*(f*+

_{bt}*f*

_{s}*)*

- (C) √

*(f*

_{bt}^{2}+ 3

*f*

_{s}^{2}

*)*

- (D) √

*(f*

_{bt}^{2}+ 2

*f*

_{s}^{2}

*)*

**3. For concreting of heavily reinforced sections without vibration, the workability of concrete should be**

- (A) Very low

- (B) Low

- (C) Medium

- (D) High

**4. The distance of the critical section for shear from the periphery of the column or drop panel is at a distance (where**

*d*is effective depth of flat slab).- (A)

*d*

- (B)

*d*/2

- (C)

*d*/3

- (D)

*d*/5

**5. If**

*D*is the overall thickness of the slab, the diameter of the reinforcing bars should not exceed- (A) 1/4 ×

*D*

- (B) 1/5 ×

*D*

- (C) 1/6 ×

*D*

- (D) 1/8 ×

*D*

**6. For the proportions**

- (A) 1
: 1½ the maximum size of aggregates, is 10 mm

- (B) 1 : 2 the
maximum size of aggregates, is 20 mm

- (C) 1 : 2½
the maximum size of aggregates, is 40 mm

- (D) All the
above

**7. If the ratio of effective span to overall depth of a simply supported beam is equal or greater than 1 but less than or equal to 2, the lever arm, is**

- (A) 0.2 (

*l*+ 2

*D*)

- (B) 0.3 (

*l*+ 3

*D*)

- (C) 0.2 (

*l*+ 3

*D*)

- (D) 0.3 (

*l*+ 2

*D*)

**8. The value of the constant**

*K*in the formula*A*=_{S}*K.bd*/*f*for determining the minimum area of tension reinforcement in a beam is_{S}- (A) 0.95

- (B) 0.90

- (C) 0.85

- (D) 0.80

**9. The distance between, rivet line and the nearest edge of a joint not exposed to weather, is taken (where**

*t*is thickness in mm of the thinner outside plate).- (A) 6

*t*

- (B) 8

*t*

- (C) 10

*t*

- (D) 12

*t*

**10. The structure which is subjected to an imposed load after 72 hours for a period of 24 hours, is deemed to be unacceptable if it fails to recover the net deflection less than**

- (A) 90 %

- (B) 85 %

- (C) 80 %

- (D) 75 %

**11. In adverse circumstances, the reinforced concrete member immersed in sea water or subjected to sea spray, the maximum permissible cover for the reinforcing bars, should not exceed**

- (A) 40 mm

- (B) 50 mm

- (C) 70 mm

- (D) 75 mm

**12. The minimum length of the side or diameter of the column base shall not be less than (where**

*d*is the minimum diameter of the column).- (A) (

*d*+ 75) mm

- (B) 1.2 (

*d*- 75) mm

- (C) 1.5 (

*d*+ 75) mm

- (D) 1.6 (

*d*+ 75) mm

**13. A solid slab spanning in two directions at right angles and carrying a uniformly distributed load is supported on beams. If the length of two such beams**

*A*and*B*perpendicular to each other are*x*and*y*(*x*<*y*), the load shared by the beam*A*, is- (A) ½

*xy*

- (B) ⅓

*xy*

- (C) ¼

*x*

^{2}

- (D) ¼

*y*

^{2}

**14. The thickness of flat single lacing is, taken (where**

*l*is effective length of the bar).- (A)

*l*/20

- (B)

*l*/25

- (C)

*l*/30

- (D)

*l*/40

**15. If**

*b*is actual width of a flange,*D*is the thickness of the flange,_{t}*b*_{Ï‰}is the breath of the web,*l*is the distance between the points of zero moments in a beam, the effective width of the flange, is_{o}- (A) [

*l*/

_{o}*(l*/

_{o}*b*) + 2] +

*b*

_{Ï‰}

- (B) [

*l*/

_{o}*(l*/

_{o}*b*) + 3] + 2

*b*

_{Ï‰}

- (C) [

*l*/

_{o}*(l*/

_{o}*b*) + 4] +

*b*

_{Ï‰}

- (D) [0.5

*l*/

_{o}*(l*/

_{o}*b*) + 4] +

*b*

_{Ï‰}

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