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- Question
Two columns 50 cm x 50 cm and 60 cm x 60 cm carry 80 tonnes and 120 tonnes of loads respectively. The centre to centre distance between columns is 5.00 metres. The permissible bearing capacity of the soil is 20 t/m2. If the footing is not to project more than 25 cm beyond the outside of the smaller column, pick up the correct design parameters of the footing from the following:
Options- A. distance of C.G. of the loads from the smaller column = 3.00 m
- B. the length of the foundation slab = 7.00 m
- C. area of footing slab = 11.00 m2
- D. width of the footing = 1.57 m.
- E. all the above.
- Correct Answer
- all the above.
- 1. Assertion (A) : Discharging the effluents from the oxidation ponds just up stream of lakes or reservoirs is undesirable.
Reason (R) : The discharged algae get settled in the reservoirs and cause anaerobic decomposition and other water qualities.
Options- A. Both A and R are true and R is the correct explanation of A
- B. Both A and R are true but R is not a correct explanation of A
- C. A is true but R is false
- D. A is false but R is true. Discuss
- 2. Which one of the following methods is generally adopted for tunnelling in firm ground
Options- A. Full face method
- B. Top heading and benching method
- C. Drift method
- D. All the above. Discuss
- 3. Pick up the correct statement from the following :
Options- A. sand consists of coarse particles of silica formed due to the disintegration of rocks.
- B. the grains of sand are not affected by frost
- C. sand beds are permeable and do not allow water to rise up between pores due to capillary action
- D. all the above. Discuss
- 4. Discharge through a totally submerged orifice, is directly proportional to
Options- A. difference in elevation of water surfaces
- B. square root of the difference in elevation of water surface
- C. square root of the opening
- D. reciprocal of the area of the opening
- E. none of these. Discuss
- 5. Systematic errors are those errors
Options- A. which cannot be recognised
- B. whose character is understood
- C. whose effects are cumulative and can be eliminated
- D. none of these. Discuss
- 6. Pick up the correct statement from the following :
Options- A. The ratio of the quantity of the diluting water to that of the sewage, is known as dilution factor
- B. The automatic purification of polluted water, is known self purification phenomenon
- C. The photosynthesis is carried out in the presence of sun light
- D. Grab sample is generally obtained from the surface where turbulence mixes the sewage particles
- E. All the above. Discuss
- 7. In levelling operation
Options- A. when the instrument is being shifted, the staff must not be moved
- B. when the staff is being carried forward, the instrument must remain stationary
- C. both (a) and (b)
- D. neither (a) nor (b). Discuss
- 8. The reaction at support A of the beam shown in below figure, is
Options- A. zero
- B. 5 T
- C. 10 T
- D. 1 T
- E. 4 T. Discuss
- 9. Pick up the incorrect statement from the following:
Options- A. In single engine aeroplanes, the engine is provided in the nose of the aircraft
- B. In double engine aeroplanes, one engine on either wing is placed symmetrically
- C. In three engine aeroplanes, two engines are placed on both wings and one engine is placed in the tail
- D. None of these. Discuss
- 10. The floor slab of a building is supported on reinforced cement floor beams. The ratio of the end and intermediate spans is kept
Options- A. 0.7
- B. 0.8
- C. 0.9
- D. 0.6
- E. none of these. Discuss
More questions
Correct Answer: Both A and R are true and R is the correct explanation of A
Correct Answer: All the above.
Correct Answer: all the above.
Correct Answer: square root of the difference in elevation of water surface
Correct Answer: whose effects are cumulative and can be eliminated
Correct Answer: All the above.
Correct Answer: both (a) and (b)
Correct Answer: zero
Correct Answer: In three engine aeroplanes, two engines are placed on both wings and one engine is placed in the tail
Correct Answer: 0.9
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