# Practice Test: Question Set - 24

**1. For the administration of road transport, a Motor Vehicle Act was enacted in**

- (A) 1927

- (B) 1934

- (C) 1939

- (D) 1947

**2. For maximum strength and durability minimum percentage of cement, by weight is**

- (A) 15 %

- (B) 20 %

- (C) 25 %

- (D) 30 %

**3. Stability of hill slopes depends upon**

- (A) Nature
of the slope

- (B) Angle of the
slope

- (C) Geological
conditions

- (D) All the
above

**4. The correct formula for calculating super-elevation for the hill roads, is**

- (A)

*e*=

*V*

^{2}/254

*R*

- (B)

*e*=

*V*

^{2}/225

*R*

- (C)

*e*=

*V*

^{2}/278

*R*

- (D)

*e*=

*V*

^{2}/114

*R*

**5. Curves in the same direction separated by short tangents, are called**

- (A) Simple
circular curves

- (B) Compound
curves

- (C) Transition
curves

- (D) Broken-back
curves

**6. The minimum width of the pavement of a National Highway should be**

- (A) 4.7 m

- (B) 5.7 m

- (C) 6.7 m

- (D) 7.7 m

**7. On most smooth hard surfaced roads, rolling resistance to moving vehicles, ranges from**

- (A) 5 kg to 7
kg/tonne

- (B) 7 kg to 9
kg/tonne

- (C) 9 kg to 11
kg/tonne

- (D) 11 kg to 13
kg/tonne

**8. Minimum radius of a simple circular curve deflecting through 5°, is**

- (A) 1618.9 m

- (B) 1816.9 m

- (C) 1718.9 m

- (D) 1817.9 m

**9. Depth of reinforcement below the surface of a concrete pavement, is generally kept**

- (A) 5 cm

- (B) 6 cm

- (C) 7 m

- (D) 9 m

**10. Degree of a road curve is defined as the angle in degrees subtended at the centre by an arc of**

- (A) 10
meters

- (B) 20
meters

- (C) 25 meters

- (D) 30
meters

**11. Thickness of broken line markings on multi-lane road for lanes is generally kept**

- (A) 10 cm

- (B) 12 cm

- (C) 15 cm

- (D) 18 cm

**12. If**

*V*is the velocity in kmph,*t*the brake reaction time in seconds and η the efficiency of the brakes, the stopping distance*S*of the vehicle, is- (A) 0.28

*V*

^{2}

*t*+

*V*/0.01

*η*

- (B) 0.28

*Vt*+

*V*

^{2}/0.1

*η*

- (C) 0.28

*Vt*+ 0.01

*V*

^{2}

*η*

- (D) 0.28

*Vt*+ 0.01

*V*

^{2}/

*η*

**13. If present A.D.T. is 5000 vehicles and annual increase is 10%, the average future flow after 5 years will be**

- (A) 6050
vehicles

- (B) 7050
vehicles

- (C) 8050
vehicles

- (D) 9050 vehicles

**14. Pick up the correct statement from the following:**

- (A) Detailed
survey is carried out for a strip of land about 30 m at sharp curves

- (B) Levels are
taken along the trace cut at an interval of 20 m

- (C) Contour
interval is generally adopted at 2 meters vertical interval

- (D) All the
above

**15. The maximum radial distance of a Lemniscate curve, having maximum polar angle a, is**

- (A) 3

*R*sin α

- (B) 3

*R*sin

^{2}α

- (C) 3

*R*sin 2α

- (D) 3

*R*sin α/2

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