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- Question
A linear relationship is observed between speed and density on a certain section of a highway. The free flow speed is observed to be 80 km per hour and the jam density is estimated as 100 vehicles per km length. Based on the above relationship, the maximum flow expected on this section and the speed at the maximum flow will respectively be
Options- A. 8000 vehicles per hour and 80 km per hour
- B. 8000 vehicles per hour and 25 km per hour
- C. 2000 vehicles per hour and 80 km per hour
- D. 2000 vehicles per hour and 40 km per hour
- Correct Answer
- 2000 vehicles per hour and 40 km per hour
- 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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