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- Question
For designing the venturi head,
Options- A. width of the throat should not be less than one-third of the bed width of main canal
- B. width of the throat should not be less than the width obtained from the formula B = Q / 1.2d3/2, where d is the difference in levels of F.S.L. and sill
- C. minimum throat width should not be less than 60 cm
- D. length of the throat should be 2.5 times the depth measured to F.S.L. in the main canal
- E. all the above.
- Correct Answer
- all the above.
- 1. The intensity of pressure due to sudden closure of a valve of a pipe in which water flows with velocity v, is directly proportional to :
Options- A. square root of the bulk modulus of elasticity of water
- B. bulk modulus of elasticity of water
- C. specific weight of water
- D. none of these. Discuss
- 2. The ratio of the moment of inertia of a circular plate and that of a square plate for equal depth, is
Options- A. less than one
- B. equal to one
- C. more than one
- D. equal to 3?/16
- E. none of these. Discuss
- 3. Large diameter sewers subjected to external pressure alone, are reinforced
Options- A. near the inner surface of the pipe
- B. near the outer surface of the pipe
- C. both (a) and (b)
- D. with elliptical cage
- E. none of these. Discuss
- 4. Angles to a given pivot station observed from a number of traverse stations when plotted, the lines to the pivot station intersect at a common point
Options- A. angular measurements are correct and not the linear measurements
- B. linear measurements are correct and not the angular measurements
- C. angular and linear measurements are correct and not the plotting of traverse
- D. angular and linear measurements and also plotting of the traverse are correct. Discuss
- 5. Pick up the correct statement from the following :
Options- A. Copper pipes are highly resistant to acidic and alkaline water
- B. Wrought iron pipes are lighter than cast iron pipes
- C. Wrought iron pipes corrode quickly and are less durable
- D. Wrought iron pipes coated with zinc, are called galvanised iron pipes
- E. All the above. Discuss
- 6. The transitional middle portion of a logistic curve follows
Options- A. a geometric growth
- B. a logarithmic growth
- C. a first over curve
- D. a constant rate. Discuss
- 7. Pick up the correct statement from the following:
Options- A. The point of intersection of the bending axis with the cross section of the beam, is called shear centre
- B. For I sections, the shear centre coincides with the centroid of the cross section of the beam
- C. For channels, the shear centre does not concide its centroid
- D. Bending loads should pass through the shear centre to avoid twisting
- E. All the above. Discuss
- 8. Black marble is generally found in the district of
Options- A. Jodhpur
- B. Jaipur
- C. Jabalpur
- D. Jaisalmer
- E. Pune. Discuss
- 9. The zenith is the point on the celestial sphere
Options- A. east of observer
- B. west of observer
- C. north of observer
- D. south of observer
- E. above the observer. Discuss
- 10. Rankine's deflection angle in minutes is obtained by multiplying the length of the chord by
Options- A. degree of the curve
- B. square of the degree of the curve
- C. inverse of the degree of the curve
- D. none of these. Discuss
More questions
Correct Answer: square root of the bulk modulus of elasticity of water
Correct Answer: equal to 3?/16
Explanation:
For circular plate, MI = ?*d^4/64.
For square plate, MI = d^4/12.
So, Ratio = MI of circular plate/MI of square plate.
= 3*?/16.
Correct Answer: with elliptical cage
Correct Answer: angular and linear measurements and also plotting of the traverse are correct.
Correct Answer: All the above.
Correct Answer: a constant rate.
Correct Answer: All the above.
Correct Answer: Jaipur
Correct Answer: south of observer
Correct Answer: degree of the curve
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