The force due to wind load acting on a tall vessel depends upon its

The change in length due to a tensile or compressive force acting on a body is given by (where P = Tensile or compressive force acting on the body, $$l$$ = Original length of the body, A = Cross-sectional area of the body and E = Young's modulus for the material of the body)

A

$$\frac{{{\text{P}}l{\text{A}}}}{{\text{E}}}$$

B

$$\frac{{{\text{P}}l}}{{{\text{AE}}}}$$

C

$$\frac{{\text{E}}}{{{\text{P}}l{\text{A}}}}$$

D

$$\frac{{{\text{AE}}}}{{{\text{P}}l}}$$

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.)

A

Is at the maximum distance from CG of the rivet group

B

Is at the minimum distance from CG of the rivet group

C

Gives the maximum angle between the two forces Fa and Fm

D

Gives the minimum angle between the two forces Fa and Fm

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)

A

Zero

B

±0.2p

C

±0.5p

D

±0.7p

The natural frequency of free transverse vibrations due to uniformly distributed load acting over a simply supported shaft is (where $$\delta {\text{S}}$$ = Static deflection of simply supported shaft due to uniformly distributed load)

A

$$\frac{{0.4985}}{{\sqrt {\delta {\text{S}}} }}$$

B

$$\frac{{0.5615}}{{\sqrt {\delta {\text{S}}} }}$$

C

$$\frac{{0.571}}{{\sqrt {\delta {\text{S}}} }}$$

D

$$\frac{{0.6253}}{{\sqrt {\delta {\text{S}}} }}$$

The natural frequency of free transverse vibrations due to a point load acting over a simply supported shaft is equal to (where $$\delta $$ = Static deflection of a simply supported shaft due to the point load)

A

$$\frac{{0.4985}}{{\sqrt \delta }}$$

B

$$\frac{{0.5615}}{{\sqrt \delta }}$$

C

$$\frac{{0.571}}{{\sqrt \delta }}$$

D

$$\frac{{0.6253}}{{\sqrt \delta }}$$

Who is the tallest among six boys P, T, N, D, Q and R? 1. P is taller than D and N but not as tall as T. 2. R is taller than Q but not as tall as T. 3. Q is not taller than T and R.

A

Only 1 and 2

B

Only 2 and 3

C

All 1, 2 and 3

D

Only 1 and 3

A man 6 feet tall casts a shadow 4 feet long, at the same time a flagpole casts a shadow that is 50 feet long. How tall is the flagpole?

A

70 feet

B

75 feet

C

80 feet

D

85 feet

B is taller than A, C is as tall as B, E in not as tall as C as D is shorter than E but taller, than A, Then, which of the following is true?

A

B is the tallest of all

B

C is the tallest of all

C

B and C are the tallest of all

D

D is the shortest of all

All his tall talk came to nothing. Here, "tall talk' means

A

exaggerated statement

B

carefully measured utterance

C

unpretentious statement

D

a believable story

The external wind pressure acting on a roof depends on

A

Degree of permeability of roof

B

Slope of roof

C

Both (A) and (B)

D

None of the above

The force due to wind load acting on a tall vessel depends upon its

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