# In a plate girder, the web plate is connected to the flange plates by fillet welding. The size of the fillet welds is designed to safety resist.

1.  the bending stresses in the flanges

2.  the vertical shear force at the section

3.  the horizontal shear force between the flanges and the web plate

4.  the forces causing buckling in the web

4

the horizontal shear force between the flanges and the web plate

Explanation :
No Explanation available for this question

# A 10m thick clay layer is underlain by a sand layer of 20m depth (see figure below). The water table is 5 m below the surface of clay layer. The soil above the water table is capillary saturated. The value of gsat is 19kN/m3.The unit weight of water is gw. If now the water table rises to the surface, the effective stress at a point P on the interface will

1.  increase by 5 γw

2.  remain unchanged

3.  decrease by 5 gw

4.  decrease by 10 gw

4

decrease by 5 gw

Explanation :
No Explanation available for this question

# If A is a real square matrix, then AAT is

1.  unsymmetric

2.  always symmetric

3.  skew symmetric

4.  sometimes symmetric

4

always symmetric

Explanation :
No Explanation available for this question

# In matrix algebra AS = AT (A,S,T, are matrices of appropriate order) implies S=T only if

1.  A is symmetric

2.  A is singular

3.  A is non singular

4.  A is skew symmetric

4

A is symmetric

Explanation :
No Explanation available for this question

# The Laplace Transform of a unit step function ua(t), defined as

1.  e-as/s

2.  se-as

3.  s-u(0)

4.  se-as-1

4

se-as

Explanation :
No Explanation available for this question

# The continuous function ƒ(x,y) is said to have saddle point at (a,b) if

1.  ƒx (a,b)= ƒy(a,b) = 0; ƒsy2- ƒxx ƒyy

2.  ƒx (a,b)= 0; ƒy(a,b) = 0; ƒxy2- ƒxx . ƒyy>0 at (a,b)

3.  ƒx (a,b)= 0; ƒy(a,b) = 0; ƒxx- and ƒyy

4.  ƒx (a,b)= 0; ƒy(a,b) = 0; ƒxx2 – ƒxx . ƒyy = 0 at (a,b)

4

ƒx (a,b)= ƒy(a,b) = 0; ƒsy2- ƒxx ƒyy<0 at (a,b)

Explanation :
No Explanation available for this question

# In the inclined manometer shown in the figure below, the reservoir is large. Its surface may be assumed to remain at a fixed elevation. A is connected to a gas pipeline and the deflection noted on the inclined glass tube is 100 mm. Assuming θ=300 and the manometric fluid as oil with specific gravity of 0.86, the pressure at A is

1.  43 mm water (vacuum)

2.  43 mm water

3.  86 mm water

4.  100 mm water

4

43 mm water

Explanation :
No Explanation available for this question

# A three hinged arch shown in Figure is quarter of a circle. If the vertical and horizontal components of reaction at A are equal, the value of θ is

1.  600

2.  450

3.  300

4.  None in (00,900)

4

450

Explanation :
No Explanation available for this question

# The x component of velocity in a two dimensional incompressible flow is given by u = 1.5 x. At the point (x,y) = (1,0), the y component of velocity v =0. The equation for the y component of velocity is

1.  v= 0

2.  v = 1.5 y

3.  v = -1.5x

4.  v = -1.5 y

4

v = -1.5 y

Explanation :
No Explanation available for this question

1.  4M0/L

2.  6M0/L

3.  8M0/L

4.  12M0/L

4