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- Question
An inverted siphon is a
Options- A. device for distributing septic tank effluent to a soil absorption system
- B. device for preventing overflow from elevated water storage tank
- C. device for preventing crown corrosion of sewer
- D. section of sewer which is dropped below the hydraulic grade line in order to avoid an obstacle.
- Correct Answer
- section of sewer which is dropped below the hydraulic grade line in order to avoid an obstacle.
- 1. MPN index is a measure of one of the following :
Options- A. Coliform bacteria
- B. BOD5
- C. Dissolved Oxygen Content
- D. Hardness Discuss
- 2. Two flow patterns are represented by their stream functions ?1 and ?2 as given below:
?1 = x2 + y2, ?2 = 2xy
If these two patterns are superimposed on one another, the resulting streamline pattern can be represented by one of the following :
Options- A. A family of parallel straight lines
- B. A family of circles
- C. A family of parabolas
- D. A family of hyperbolas Discuss
- 3. If the deformations of the truss-members are as shown in parentheses, the rotation of the member bd is :
Options- A. 0.5 x 10-2 radian
- B. 1.0 x 10-2 radian
- C. 1.5 x 10-2 radian
- D. 2.0 x 10-2 radian Discuss
- 4. The maximum allowable compressive stress corresponding to lateral buckling in a discretely laterally supported symmetrical I beam does not depend upon :
Options- A. the modulus of elasticity
- B. the radius of gyration about the minor axis
- C. the span length of the beam
- D. the ratio of overall depth of thickness of the flange Discuss
- 5. Pick up the correct statement from the following:
Options- A. The plastic bottles are made by the process of blowing
- B. The plastic sheets are made by the calendering process in which the plastic material is allowed to pass between cylindrical rollers
- C. The application of thermo-setting resins on sheets of paper, is called laminating process
- D. The plastic articles made by placing raw material in the desired moulds, is known as moulding process
- E. All the above. Discuss
- 6. Plastic
Options- A. is an organic substance
- B. consists of natural or synthetic binders
- C. finished products are rigid and stable at normal temperature
- D. is capable of flow when necessary heat and pressure are applied
- E. All the above. Discuss
- 7. Rotary drilling
Options- A. is not suitable for deposits containing very coarse gravel
- B. hinders the ground water observations and permeability test
- C. is not economical for holes of less than 10 cm.
- D. all the above. Discuss
- 8. In a rock calcium carbonate predominates. State whether it is :
Options- A. Sillicious rock
- B. Argillaceous rock
- C. Calcareous rock
- D. None of these. Discuss
- 9. The flow in open channel is said to be subcritical if the Froude number is
Options- A. less than 1.0
- B. equal to 1.0
- C. greater than 1.0
- D. none. Discuss
- 10. A projectile is fired with a velocity of 100.3 m/sec. at an elevation of 60°. The velocity attained by the projectile when it is moving at a height of 100 m, is
Options- A. 70 m/sec.
- B. 75 m/sec.
- C. 80 m/sec.
- D. 85 m/sec.
- E. 90 m/sec. Discuss
More questions
Correct Answer: Coliform bacteria
Correct Answer: A family of circles
Correct Answer: 2.0 x 10-2 radian
Correct Answer: the modulus of elasticity
Correct Answer: All the above.
Correct Answer: All the above.
Correct Answer: all the above.
Correct Answer: Calcareous rock
Correct Answer: less than 1.0
Correct Answer: 90 m/sec.
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