MHADA Exam Technical Expected Question Mock Test 51

1➤ For the buildings having a low permeability, the internal wind pressure acting normal to the wall and roof surfaces is taken as (where p is basic wind pressure)

zero±0.2p ± 0.5 p±0.7p

2➤ The sway bracing is designed to transfer

2Vi % of the top panel wind load to bottom bracing10% of the top panel wind load to bottom bracing25% of the top panel wind load to bottom bracing50% of the top panel wind load to bottom bracing

3➤ The internal pressure coefficient on walls for buildings with large permeability is taken as

± 0.2±0.5 ± 0.70

4➤ The relation between intensity of wind pressure p and velocity of wind V is taken as

pa VpaV2p a (1/V)paV”2

5➤ If the 20 mm rivets are used in lacing bars, then the minimum width of lacing bar should be

40mm60mm80mm100mm

6➤ Steel tanks are mainly designed for

weight of tankwind pressurewater pressureearthquake forces

7➤ The minimum thickness of plates in a steel stack should be

4 mm5 mm6 mm8 mm

8➤ The shape factor of an isosceles triangle for bending about the axis parallel to the base is:

1.52.01.72.34

9➤ Which of the following conditions is to be satisfied both in elastic and plastic analysis ?

equilibrium conditionyield conditionplastic moment conditionmechanism condition

10➤ Bending compressive and tensile stresses respectively are calculated based on

net area and gross areagross area and net areanet area in both casesgross area in both cases

11➤ In the cross-section of a weld, throat is the

minimum dimensionaverage dimensionmaximum dimensionnone of the above

12➤ For rivets in tension with counter-sunk heads, the tensile value shall be

reduced by 25 %reduced by 33.3%increased by 25 %increased by 33.3 %

13➤ Area of openings for buildings of large permeability is more than

10% of wall area20% of wall area30% of wall area50% of wall area

14➤ Load factor is

always equal to factor of safetyalways less than factor of safetyalways greater than factor of safetysometimes greater than factor of safety

15➤ Lug angles

are used to reduce the length of connection.are unequal angles.increases shear lag.all the above

16➤ The effective length of a battened column is increased by

5%10%15%20%

17➤ The statical method of plastic analysis satisfies

equilibrium and mechanism conditionsmechanism and plastic moment conditionsequilibrium and plastic moment conditionsequilibrium condition only

18➤ The mechanism method of plastic analysis satisfies

equilibrium and mechanism conditionsequilibrium and plastic moment conditionsmechanism and plastic moment conditionsequilibrium condition only

19➤ When the axis of load lies in the plane of rivet group, then the most heavily loaded rivet will be the one which (where, Fa is the load shared by each rivet due to axial load and Fm is the shearing load due to moment in any rivet.)

is at the maximum distance from CG of the rivet groupis at the minimum distance from CG of the rivet groupgives the maximum angle between the two forces Fa and Fmgives the minimum angle between the two forces Fa and Fm

20➤ The minimum thickness of a steel plate, which is directly exposed to weather and is not accessible for cleaning and repainting, should be:

4.5 mm6 mm8 mm10 mm

21➤ The elastic strain for steel is about

1/12 of strain at the initiation of strain hardening and about 1/120 of maximum strain1/2 of strain at the initiation of strain hardening and about 1/12 of maximum strain1/12 of strain at the initiation of strain hardening and 1/200 of maximum strain1/24 of strain at the initiation of strain hardening and about 1/200 of maximum strain

22➤ In a gusseted base, when the end of the column is machined for complete bearing on the base plate, then the axial load is assumed to be transferred to base plate

Fully by direct bearingFully through fastenings50% by direct bearing and 50% through fastenings75% by direct bearing and 25% through fastenings

23➤ Shear buckling of web in a plate girder is prevented by using

vertical intermediate stiffenerhorizontal stiffener at neutral axisbearing stiffenernone of the above

24➤ For a standard 45° fillet, the ratio of size of fillet to throat thickness is

1 : V21:1V2 : 12: 1

25➤ The live load for a sloping roof with slope 15°, where access is not provided to roof, is taken as

0.65 kN/m20.75 kN/m21.35 kN/m21.50 kN/m2

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