If the floor is supported at or near the bottom but top chords of a bridge is not braced, then the bridge is called

If the lengths of two parallel chords in a circle of radius 10 cm are 12 cm and 16 cm, then what is the distance between these two chords?

A

1 cm or 7 cm

B

2 cm or 14 cm

C

3 cm or 21 cm

D

4 cm or 28 cm

The elevator in an eleven-storied office building travels at the rate of one floor per 1/4 minute, which allows time for picking up and letting down passengers. At the main floor and at the top floor the operator stops for 1 minute. How many complete (with return) trips will the operator makes during a 7-hour period?

A

50

B

60

C

80

D

90

The elevator in an eleven-storied office building travels at the rate of one floor per 1/4 minute, which allows time for picking up and letting down passengers. At the main floor and at the top floor the operator stops for 1 minute. How many complete (return) trips will the operator make during a 7 hours period?

A

50

B

60

C

80

D

90

Mr. Ali decided to walk down the escalator of a tube station. He found that if he walks down 26 steps, he requires 30 seconds to reach the bottom. However, if he steps down 34 stairs he would only require 18 seconds to get to the bottom. If the time is measured from the moment the top step begins to descend to the time he steps off the last step at the bottom, find out the height of the stair way in steps?

A

23 steps

B

16 steps

C

46 steps

D

26 steps

Rectangular floors X and Y have equal area. If floor X is 12 feet by 18 feet and Floor Y is 9 feet wide, what is the length of floor Y, in feet?

A

13.5

B

18

C

21

D

24

If the height of the hydraulic gradient line above the floor of thickness t is h and the specific gravity of the material of the floor is G, the minimum thickness t of the floor downstream of the crest-wall, is given by the equation

A

$${\text{t}} = \frac{{{\text{h}} + 1}}{{{\text{G}} + {\text{t}}}}$$

B

$${\text{t}} = \frac{{{\text{h}} - 1}}{{{\text{G}} + {\text{t}}}}$$

C

$${\text{t}} = \frac{{{\text{h}} - 1}}{{{\text{G}} - {\text{t}}}}$$

D

$${\text{t}} = \frac{{{\text{h}} + 1}}{{\text{G}}}$$

The floor slab of a building is supported on reinforced cement floor beams. The ratio of the end and intermediate spans is kept

A

0.7

B

0.8

C

0.9

D

0.6

A leader rests against a wall is perpendicular to the ground if the bottom of the ladder is 4m away from the bottom of the wall, while the top of the ladder is at a height of 3m. What is the length of the ladder.

A

7m

B

35m

C

5m

D

25m

If Ram lives on the first floor, then Sham lives on the second. Sham does live on the second floor. Therefore

A

Ram does not live on the first floor.

B

Ram may or may not live on the first floor

C

Ram lives on the first floor

D

Ram lives on the second floor

The length of a rectangular floor is one and a half times its breadth. What is the perimeter of the floor (in meters) if its area is 216 sq. meters :

A

40

B

50

C

60

D

44

If the floor is supported at or near the bottom but top chords of a bridge is not braced, then the bridge is called

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