Transportation Engineering |Chapter-2: I| MCQ Practice | Basic Element |Section-3

>> chapter-2: Geometric Design of Highway

ii) Basic Element
• Practice Set-1
• Practice Set-2
• Practice Set-3

---

Practice Set-3: Camber Calculations

---

1. A road has a camber of 2.5% and a carriageway width of 8 m. What is the vertical rise (crown height) at the center?

a) 15 cm b) 10 cm c) 20 cm d) 25 cm

Correct Answer: b) 10 cm

Calculation: Crown height = (Camber × Width)/2 = (2.5/100 × 800 cm)/2 = 10 cm

---

2. If a road has a width of 7.5 m and the camber provided is 1 in 50, what is the height of the crown?

a) 15 cm b) 7.5 cm c) 12 cm d) 18 cm

Correct Answer: a) 15 cm

Calculation: Crown height = (Width × Camber)/2 = (750 cm × 1/50)/2 = 15 cm

---

3. Which of the following is the correct crown height for a 6 m wide road with a camber of 3%?

a) 18 cm b) 12 cm c) 9 cm d) 6 cm

Correct Answer: c) 9 cm

Calculation: Crown height = (3/100 × 600 cm)/2 = 9 cm

---

4. What is the camber value (in %) if the crown height of a 5 m wide road is 10 cm?

a) 1% b) 2% c) 3% d) 4%

Correct Answer: d) 4%

Calculation: Camber = (2 × Crown height)/Width = (2 × 10 cm)/500 cm = 0.04 or 4%

---

5. For a road with a 1 in 40 camber, what would be the crown height if the road width is 10 m?

a) 10 cm b) 15 cm c) 25 cm d) 20 cm

Correct Answer: c) 25 cm

Calculation: Crown height = (Width × Camber)/2 = (1000 cm × 1/40)/2 = 12.5 cm (Note: The correct answer should be 12.5 cm, but given options don't match. Please verify the question.)

---

6. Which of the following statements is TRUE for camber in roads?

a) High camber reduces vehicle speed b) Low camber improves water drainage c) Camber is always provided in vertical alignment d) Excessive camber leads to vehicle instability

Correct Answer: d) Excessive camber leads to vehicle instability

Excessive camber can cause vehicles to tilt excessively, making them unstable, especially during turns or when carrying heavy loads.

---

7. A road engineer designs a camber of 1 in 60 for a 3.75 m wide road. What is the approximate crown height?

a) 6.25 cm b) 7.5 cm c) 8.5 cm d) 5.0 cm

Correct Answer: a) 6.25 cm

Calculation: Crown height = (375 cm × 1/60)/2 = 3.125 cm (Note: There seems to be discrepancy in the options. Please verify the calculation.)

---

8. Which camber is most suitable for concrete roads in moderate rainfall areas?

a) 1 in 20 b) 1 in 30 c) 1 in 50 d) 1 in 80

Correct Answer: c) 1 in 50

For concrete roads in moderate rainfall areas, a camber of 1 in 50 (2%) is typically recommended as it provides adequate drainage without excessive slope.

---

9. If the camber is 2% and the road width is 9 m, what is the height difference between the center and edge?

a) 9 cm b) 18 cm c) 4.5 cm d) 27 cm

Correct Answer: a) 9 cm

Calculation: Height difference = (2/100 × 900 cm)/2 = 9 cm

---

10. A road has a width of 10 m and the camber slope is 1 in 25. What is the vertical fall from the center to edge?

a) 30 cm b) 40 cm c) 20 cm d) 25 cm

Correct Answer: c) 20 cm

Calculation: Vertical fall = (1000 cm × 1/25)/2 = 20 cm

---

Previous << 1 2 3

---

All Chapter MCQ Home Online Test