For a single point load W moving on a symmetrical three hinged parabolic arch of span L, the maximum sagging moment occurs at a distance x from ends. The value of x is

If a single concentrated load W is moving on a symmetrical three hinged parabolic arch of span L, what is the position of the maximum sagging moment from its ends?

A

0.105 L

B

0.211 L

C

0.250 L

D

0.500 L

The figure shown a two-hinged parabolic arch of span L subjected to uniformly distributed load of intensity q per unit length The maximum bending moment in the arch is equal to

A

qL²/8

B

qL²/12

C

Zero

D

qL²/10

If a three hinged parabolic arch, (span l, rise h) is carrying a uniformly distributed load w/unit length over the entire span,

A

Horizontal thrust is wl2/8h

B

S.F. will be zero throughout

C

B.M. will be zero throughout

D

All the above

If a three hinged parabolic arch, (span $$l$$, rise h) is carrying a uniformly distributed load w/unit length over the entire span,

A

Horizontal thrust is $$\frac{{{\text{w}}{l^2}}}{{8{\text{h}}}}$$

B

S.F. will be zero throughout

C

B.M. will be zero throughout

D

All the above

Point A is 3m in the north of point B. Point D is 2m in the east of point E. Point F is 9m in the west of point G. Point C is 4m in the west of point B. Point C is 3m in the south of point D. Point F is 5m in the south of point E. Point H is 5m in the north of point G. What is the shortest distance between point H and point A?

A

5m

B

4m

C

3m

D

6m

How far is point 'R' from Point 'T'? Statement (I): Point 'R' is 5 metres to the north of point 'M'. Point 'U' is 4 metres to the east of point 'R'. Point 'T' is to the west of point 'R' such that points 'U' 'R' and 'T' form a straight line of metres. Statement (II): Point 'Z' is metres to the south of point 'T'. Point 'U' is metres to the east of point 'T'. Point 'M' is metres to the east of point 'Z'. Point 'R' is metres to the north of point 'M'. Point 'R' lies on the line formed by joining points 'T' and 'U'.

A

Statement (I) and (III) are independently sufficient to answer the question.

B

Statement (I) and (II) are together required to answer the question.

C

Statement (I) alone is sufficient to answer the question while statement (II) is not sufficient to answer the question.

D

Statement (II) alone is sufficient to answer (I) is not sufficient to answer the question.

An isolated load W is acting at a distance a from the left hand support, of a three hinged arch of span 2$$l$$ and rise h hinged at the crown, the horizontal reaction at the support, is

A

$$\frac{{{\text{Wa}}}}{{\text{h}}}$$

B

$$\frac{{{\text{Wa}}}}{{2{\text{h}}}}$$

C

$$\frac{{2{\text{W}}}}{{{\text{ha}}}}$$

D

$$\frac{{2{\text{h}}}}{{{\text{Wa}}}}$$

Study the following information and answer the questions. Point A is 8m to the west of Point B. Point C is 4m to the south of Point B. Point D is 4m to the east of Point C. Point F is 6m to the north of Point D. Point E is 8m to the west of Point F. Point G is 2m to the south of Point E. If point G is 4m to the north of Point H, then what is the distance between H and D?

A

11m

B

8m

C

6m

D

4m

Point P is 4m in the west of point V. Point R is 6m in the north of point Q. Point T is 5m in the south of point S. Point V is in the middle of point R and Q. Point U is 5m in the east of point R. Point V is in north of point Q. Point S is 5m in the east of point V. What is the area of triangle formed by point P, R and Q?

A

14m²

B

15m²

C

16m²

D

12m²

A two hinged parabolic arch of span l and rise h carries a load varying from zero at the left end to ? per unit run at the right end. The horizontal thrust is

A

ωl²/4h

B

ωl²/8h

C

ωl²/12h

D

ωl²/16h

For a single point load W moving on a symmetrical three hinged parabolic arch of span L, the maximum sagging moment occurs at a distance x from ends. The value of x is

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