In a spherical dome subjected to concentrated load at crown or uniformly distributed load, the meridional force is always

In a spherical dome the hoop stress due to a concentrated load at crown is

A

Compressive everywhere

B

Tensile everywhere

C

Partly compressive and partly tensile

D

Zero

The maximum value of hoop compression in a dome is given by (where, w = load per unit area of surface of dome R = radius of curvature d = thickness of dome)

A

wR / 4d

B

wR/2d

C

wR/d

D

2wR/d

When a uniformly distributed load, longer than the span of the girder, moves from left to right, then the maximum bending moment at mid section of span occurs when the uniformly distributed load occupies

A

Less than the left half span

B

Whole of left half span

C

More than the left half span

D

Whole span

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

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

How many liters of a 90% of concentrated acid needs to be mixed with a 75% Solution of concentrated acid to get a 30 liter Solution of 78% concentrated acid?

A

8

B

6

C

7

D

9

A load which is spread over a beam in such a manner that it varies uniformly over the whole length of abeam is called uniformly ________ load.

A

Distributed

B

Varying

C

Both A and B

D

None of these

The simply supported beam 'A' of length '$$l$$' carries a central point load 'W'. Another beam 'B' is loaded with a uniformly distributed load such that the total load on the beam is 'W'. The ratio of maximum deflections between beams 'A' and 'B' is

A

$$\frac{5}{8}$$

B

$$\frac{8}{5}$$

C

$$\frac{5}{4}$$

D

$$\frac{4}{5}$$

The shear force at the ends of a simply supported beam carrying a uniformly distributed load of w per unit length is

A

Zero at its both ends

B

$${\text{w}}l$$ at one end and $$ - {\text{w}}l$$ at the other end

C

$$\frac{{{\text{w}}l}}{2}$$ at one end and $$ - \frac{{{\text{w}}l}}{2}$$ at the other end

D

$$\frac{{{\text{w}}{l^2}}}{2}$$ at one end and $$ - \frac{{{\text{w}}{l^2}}}{2}$$ at the other end

The shear force diagram for a simply supported beam carrying a uniformly distributed load of w per unit length, consists of

A

One right angled triangle

B

Two right angled triangles

C

One equilateral triangle

D

Two equilateral triangles

The shear force of a cantilever beam of length $$l$$ carrying a uniformly distributed load of w per unit length is __________ at the fixed end.

A

Zero

B

$$\frac{{{\text{w}}l}}{4}$$

C

$$\frac{{{\text{w}}l}}{2}$$

D

$${\text{w}}l$$

In a spherical dome subjected to concentrated load at crown or uniformly distributed load, the meridional force is always

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