Engineering/Civil Engineering Basic Set 1 Sample Test,Sample questions

Question:
 A cantilever beam is loaded by a point load at the free end. It is likely to fail by B.M.

1.under the load

2.at mid span

3.at support

4.None


Question:
 For a slab supported on its four edges with corners held down and loaded uniformly, the Marcus correction factor to the moments obtained by Grashoff Rankine's theory

1.is always less than 1

2.is always greater than 1

3. can be more than 1

4. can be less than 1


Question:
 For bars in tension a standard hook has an anchorage value equivalent to a strength length of

1.8

2.12

3.16

4.24


Question:
 In a fillet weld placed on the sides of the base, the metal experiences

1.shear

2.tension

3.compression

4.All of the above


Question:
 In a simply supported beam AB with a concentrated load W at a distance 'a' from support A and 'b' from support B, the deflection under the load is

1.wa^2 b^2 / 3EIL

2.wa^2 / 3EI

3.wa^2 b^2 /3EI

4. wa^2 b + 2/EIL


Question:
 The formula T/J = NO/L = fs/r when applied to torsion of closely coiled helical spring, the value of J will be calculated with

1.mean diameter of the coil D

2.the diameter of wire of spring

3. mean of D and d

4.(2D + d)3


Question:
 The large moment of resistance of T-beam section is due to

1.width of rib

2.amount of steel

3. composite action between the flanges and the rib

4.depth of rib


Question:
 The velocity measured at a depth of _____ gives the mean velocity using the current meter

1.0.6 m

2.0.5 m

3.0.6 depth

4.0.5 depth


Question:
A beam is fixed at one end and is supported at the other end to the level of the fixed end by means of a rigid prop. At the propped end, for any applied load

1.only flexural moment is zero

2.the flexural moment as well as deflection is zero

3.the slope as well as the deflection is zero

4.the slope as well as the flexural moment is zero


Question:
A fluid is a substance that

1.always expands until it fills any container

2.is parctically incompressible

3.cannot remain at rest under the action of a shear force

4. cannot be subjected to shear forces


Question:
A reduction factor Cr, load carrying capacity of a long columns is given by

1. Cr = 1.25 - Le/24b

2.Cr = 1 - Le/48b

3.Cr = 1.25 - Le/48b

4.Cr = 1.5 - Le/48b


Question:
A rigid prop provided for a beam

1.brings the bending for a beam

2.brings the deflection at the prop to zero

3.brings the slopes at the section to zero

4.brings the shear force at the section to zero


Question:
A steel member which is subjected to primary tension is called

1.Tie

2. Tie or beam

3.Strut

4.Sling


Question:
According to IS code the total amount of shrinkage for a post tensioned member is taken as

1.2 x 10^4 / log10 (T+2)

2.3 x 10^-4 / log10 (T+3)

3.3 x 10^-3 / log10 (T+3)

4.2 x 10^-3 / log10 (T+3)


Question:
According to IS:456-1978, the maximum reinforcement in a column is

1.2%

2.4%

3.6%

4.8%


Question:
Air entrainment in the concrete increases

1.workability

2.strength

3.the effects of temperature

4.the unit weight


Question:
Cube strength of controlled concrete to be used for pre-tensioned and post-tensioned work respectively should not be less than

1. 350 Kg/cm^2 and 420 Kg/cm^2

2.420 Kg/cm^2 and 530 Kg/cm^2

3.420 Kg/cm^2 and 350 Kg/cm^2

4.530 Kg/cm^2 and 420 Kg/cm^2


Question:
Direct run off is the sum of

1.Surface run off and mass flow

2.Base flow and ground water run off

3.Deployed sub surface run off and deep percolation

4.Surface run off and interflow


Question:
ean velocity of flow in a river can be directly measured by means of

1.Boats

2.Dams

3.Surface floats

4.Rod floats


Question:
For unstiffened webs of girders, the thickness of web shall not be less than

1.D1/50

2.D1/85

3.D1/100

4.D1/150


Question:
If in any given pane, one end of a column is unrestrained, its unsupported length l, shall not exceed

1.100 b^2 /D

2.120 b^2 /D

3.125 b^2 /D

4.140 b^2 /D


Question:
If the foundations of all the columns of a structure are designed on the total live and dead load basis, then

1.there will be no settlement of columns

2.there will be no differential settlements

3.the settlement of exterior columns will be more than interior columns

4.the settlement of interior columns will be more than exterior columns


Question:
If the permissible stress in steel in tension is 140 N/mm^2, Permissible stress in concrete in bending compression is 5N / mm^2. Then the depth of neutral axis for a singly reinforced rectangular balanced section will be

1.0.35 d

2.0.40 d

3.0.45 d

4.dependent on grade of concrete also


Question:
In a continuous footing the area of longitudinal reinforcement required in the direction of wall is

1.0.3%

2. 0.2%

3.0.5%

4. 0.4%


Question:
In a thin cylindrical shell if F1 is the hoop stress and F2 is the longitudinal stress induced, maximum shear stress at any point of the material is given by

1.F1 + F2 / 2

2.F1 - F2 / 2

3.F1F2 / 2

4.2F1 / F2


Question:
In any beam when the moment of inertia about the neutral axis is doubled, its deflection is

1.doubled

2.tripled

3.halved

4.minimum


Question:
In case of cantilever beams the ratio of span to the depth should not exceed

1.4

2.8

3.12

4.16


Question:
In limit state design of concrete for flexure, the area of stress block is taken as

1. 0.36 Fck Xu

2. 0.42 Fck Xu

3. 0.446 Fck Xu

4.0.53 Fck Xu


Question:
Normally pre-stressing wires are arranged in the

1.upper part of the beam

2.lower part of the beam

3.centre

4.anywhere


Question:
Partial safety factor m for steel in limit state design is

1. 0.5

2.1.0

3.1.5

4.1.15


Question:
Rabi crops pertains to

1.throughtout the year

2.summer season

3.monsoon season

4.winter season


Question:
Ratio of compressive strength to tensile strength of concrete

1.increases with age

2.decreases with age

3.remains constant

4.none of the above


Question:
Sliding failure occurs in a solid gravity dam when

1.Resultant of all forces cuts the base of the dam outside

2.Resultant of all force cuts the base of the inner middle third point

3. Ratio of overturning moments exceeds one

4.Shear friction factor is less than 1.5


Question:
Spacing of vertical stiffeners in a girder shall not be less than

1.0.50d

2.0.40d

3.0.33d

4.0.25d


Question:
Steel is efficiently used in

1.under reinforced section

2.over reinforced section

3.under and over reinforced section

4.none of the above


Question:
The compressive strength of 100 mm cube as compared to 150 mm cube is always

1.less

2.more

3.equal

4. may be any of the above


Question:
The creep strains are

1. caused due to dead loads only

2.caused due to live loads only

3.caused due to both dead and live load

4.independent of loads


Question:
The design strength of materials Fs is given by

1.1.1 f/Rm

2.f/Rm

3.f

4.0.9f


Question:
The diameter of lateral ties in a column shall not be less than

1.6 mm

2.5 mm

3.8 mm

4.10 mm


Question:
The fitness modulus of the fine aggregate is in the range of

1.2.0 to 3.5

2.3.5 to 5.0

3.5.0 to 7.0

4.6.0 to 8.5


Question:
The formula used to calculate maximum flood discharge for deccan catchments is

1.Dicken's formula

2.Ryve's formula

3. Ali Nawab Jung Bahadur formula

4.Ingli's formula


Question:
The inclination of a lacing bar with the axis of the compression member shall not exceed

1.60

2.70

3.45

4.30


Question:
The limits of percentage of the longitudinal reinforcement in a column is given by

1.0.15% to 2%

2.0.8% to 4%

3.0.8% to 6%

4.0.8% to 8%


Question:
The maximum area of tension reinforcement in a beam is

1.4% of bD

2.4.5% of bD

3. 5% of bD

4.5.5% of bD


Question:
The maximum bending moment for a purling may be taken as

1. WL/10

2.WL/8

3.WL/12

4.WL/15


Question:
The minimum cover in a slab should neither be less than the diameter of bar nor less than

1.10 mm

2.15 mm

3.20 mm

4.13 mm


Question:
The modulus of elasticity of steel is

1.150 KN/mm^2

2.200 KN/mm^2

3.250 KN/mm^2

4.275 KN/mm^2


Question:
The net upward pressure on footing p is given by

1.W + W1/W.q

2.W.q./W + W1

3. W - W1/W.q

4.W.q./W - W1


Question:
The number of rivets for connecting a strut to a gusset plate shall not be less than

1.2

2.3

3.4

4.5


Question:
The pre-stressed concrete induces artificially _____ stress in a structure before it is loaded

1.compressive

2.tensile

3.shear

4.bending


Question:
The relation between modulus of rupture Fcr and characteristic strength of concrete Fck is given by

1.Fcr = 0.35 S Fck

2.Fcr = 0.5 S Fck

3.Fcr = 0.7 S Fck

4.Fcr = 1.2 S Fck


Question:
The shear stress intensity changes from the centre to the surface of the shaft with

1. uniform

2.rate

3.varying

4.all the above


Question:
The shear stress intensity is minimum at

1.axis of shaft

2. surface of the shaft

3.any inside layer of shaft

4.all the above


Question:
The slab is designed as one way if the ratio of long span to short span is

1. less than 1

2.between 1 and 1.5

3.between 1.5 and 1.2

4.greater than 2


Question:
The state at which tendon force is released permanently on the concrete is called

1.Transfer

2.Anchoring

3.Pre-tensioning

4.Post-tensioning


Question:
The thickness of lacing bar used in steel ties should not be less than

1.6 mm

2.4.5 mm

3.B/40

4.L/40


Question:
The torque produced in a circular shaft rotating at 100 r.p.m. to produce 1 h.p. is _____ Kgcm

1.716.2

2. 816.2

3.916.2

4.616.2


Question:
The weight of foundation may be assumed to be

1. 15% of the column loads

2. 20% of the column loads

3.25% of the column loads

4.10% of the column loads


Question:
To minimize the effect of differential settlement, the area of footing should be designed for

1.dead load only

2.dead load + live load

3.dead load + fraction of live load

4.live load + fraction of dead load


Question:
When the reservoir is full, the maximum compressive force in a gravity dam is produced

1.at the toe

2. at the heel

3.within the middle third of base

4.at centre of base


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