## CE5I

### 22502

#### MCQs

**1 The full form of fck is**

- (A) Characteristics strength of steel

- (B) Characteristics strength of concrete

- (C) Characteristics strength of collapse

- (D) Characteristics strength of flexure

**2 The partial safety factor for steel.**

- (A) 1.25

- (B) 1.15

- (C) 1.5

- (D) 2

**3 Limit state of strength is limited to**

- (A) Deflection

- (C) Plastic collapse

- (D) Durability

- (B) Vibration

**4 The code used for design of live load is.**

- (A) Is-800 part I

- (B) Is-1987 part II

- (C) Is-1987 part III

- (D) Is-800 part II

**5 Full form of ISWB**

- (A) Indian standard medium weight beam

- (B) Indian standard wide flange beam

- (C) Indian stander flange wide beam

- (D) Indian stander wide channel beam

**6 Failure of bolt in case of shear is**

- (A) Single shear

- (B) Shear tear out plate

- (C) Bearing failure of bolt

- (D) Both single shear and shear tear out plate

**7 In case of gauge distance we have to consider**

- (A) Distance between two adjacent bolts in zig zag manner

- (B) Distance between adjacent parallel lines perpendicular to the direction of load

- (C) Distance between adjacent perpendicular lines parallels to direction of load

- (D) None of above

**8 The value of minimum pitch (d= diameter of bolt)**

- (A) 2d

- (B) 3d

- (C) 2.5d

- (D) 1.5d

**9 Calculate the value of single shear when bolt value in 20mm diameter connecting 10mm plates bolt are used 4.6 grade plates 410 grade area of bolt=245mm^2**

- (A) 82KN

- (B) 50KN

- (C) 45.26KN

- (D) 35.37KN

**10 Calculate the value of pitch if the bolt of 20 mm diameter**

- (A) 20mm

- (B) 30mm

- (C) 40mm

- (D) 50mm

**11 Find numbers of bolts required if factor load for design bolt section is 80KN and value of design shear strength is 28.97KN.**

- (A) 6

- (B) 4

- (C) 3

- (D) 2

**12 In case of lap joint for a plate size 180x10mm connected by means 20mmdiameter bolt of grade 4.6 all bolts are in one line calculate numbers of bolts if bolt value is 45.260KN.**

- (A) 6

- (B) 11

- (C) 8

- (D) 10

**13 Find the size of fillet weld if size of weld is 6mm.**

- (A) 4mm

- (C) 4.2mm

- (D) 6mm

- (B) 5mm

**14 Find the strength of welded connection if size of plate is 80x8mm.**

- (A) 145.45KN

- (B) 150KN

- (C) 70KN

- (D) 90KN

**15 What is maximum size of weld if angle section is used? (t=Thickness of angle section)**

- (A) (4/3) x t

- (B) (3/4) x t

- (C) 2t

- (D) 5t

**16 The value of £su for M20 concrete and Fe 415 steel. (£su= strain in concrete)**

- (A) 0.00308

- (B) 0.0038

- (C) 0.0047

- (D) 0.53

**17 State limiting value of depth of neutral axis for Fe 500 steel. (d=effective depth of section)**

- (A) 0.53d

- (B) 0.48d

- (C) 0.46d

- (D) 0.42d

**18 State the limiting value of percentage of steel for Fe25Option**

- (A) 0.088fck

- (B) 0.048fck

- (C) 0.038fck

- (D) 0.0380fck

**19 in case of over reinforced section**

- (A) Strain in steel reached first

- (B) Strain in concrete reached first

- (C) Both strain reached together

- (D) All of above

**20 Calculate value of moment of resistance for singly reinforced beam of size450mmx560mm effective with tensile reinforcement 4 bars of 20mm in diameter. Use M20 and Fe 25Option**

- (A) 152.34 KN.m

- (B) 143.37 KN.m

- (C) 172.43KN.m

- (D) 143.37KN/m

**21 Find limiting value of moment if size of beam is 230mmx450mm. Grade of steel is Fe500 and concrete is used is M20.**

- (A) 130.24KN.m

- (B) 120.27KN.m

- (C) 140.25KN.m

- (D) 123.89KN.m

**22 Calculate area of tension steel if size of beam is 200x450mm. Ultimate moment is 150KN.m Assumed M30 and Fe 415 steel.**

- (A) 1115mm^2

- (B) 1200mm^2

- (C) 1220mm^2

- (D) 1230mm^2

**23 In under reinforced singly beam concrete crushed at its maximum strain at**

- (A) 0.35%

- (C) 0.45%

- (D) 0.25%

- (B) 0.20%

**24 For designing a reinforced concrete section**

- (A) Loading of beam is known

- (B) Span of beam is known

- (C) Grade of steel and concrete is known

- (D) All of above required

**25 A reinforced concrete beam subjected monotonously increasing load may fail at.**

- (A) Uncracked concrete stage

- (B) Cracked concrete stage

- (C) Ultimate strength stage

- (D) At all the above stage

**26 In singly reinforced simply supported beam, the reinforced steel bars are placed.**

- (A) Near bottom of beam

- (B) Near top of beam

- (C) At neutral axis of beam

- (D) Anywhere in the cross section of the beam section

**27 In singly reinforced cantilever beam, the reinforced steel bars are placed.**

- (A) Near bottom of beam

- (B) Near top of beam

- (C) At neutral axis of beam

- (D) Anywhere in the cross section of the beam section

**28 In reinforced concrete design of singly reinforced beam at the cracked stage**

- (A) All the concrete on tension side cracked

- (B) Perfect bond between steel and concrete exist

- (C) Strain in steel and concrete are equal

- (D) All of above