Civil Engineering - GATE Exam Questions

46. 

The ideal form of curve for the summit curve is :

A. spiral
B. parabola
C. circle
D. lemniscate

Answer: Option B

Explanation:

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47. 

A septic tank is

A. an aerobic method of on site sewage treatment
B. an anaerobic method of on site treatment
C. a physical method of water treatment
D. a physicochemical method of water treatment

Answer: Option B

Explanation:

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48. 

At highway stretches where the required overtaking sight distance cannot be provided, it is necessary to incorporate :

A. at least twice the stopping sight distance
B. half the required overtaking sight distance
C. one-third the required overtaking sight distance
D. three times the stopping sight distance

Answer: Option A

Explanation:

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49. 

The members EJ and IJ of steel truss shown in the figure below are subjected to a temperature rise of 30° C. The coefficient of thermal expansion of steel is 0.000012 per °C per unit length. The displacement (mm) of joint E relative to joint H along the direction HE of the truss, is

A. 0.255
B. 0.589
C. 0.764
D. 1.026

Answer: Option C

Explanation:

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50. 

A-2-hour unit hydrograph can be approximated as trapezoidal as shown in the below figure. The unit hydrograph refers to catchment of area

A. 138.24 km2
B. 0.0384 km2
C. 384 m2
D. 3840 m2

Answer: Option C

Explanation:

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