30 Transportation Engineering questions from the Civil Core bank, written for Indian campus drives and tech interviews. Every question has a verified answer and an AI-tutor explanation on placd.
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A.length needed to perceive, react for 2.5 seconds and brake to a halt, equal to 0.278 V t + V²/(254 f) with V in km/h
B.equivalence factor for mixed traffic in which a bus or truck counts as roughly 2 to 3 cars and a two-wheeler as 0.5
C.bituminous mix design test at 60 °C giving stability, flow of 2 to 4 mm and air voids of 3 to 5 percent to fix optimum binder content
D.penetration test comparing the load to push a plunger 2.5 mm into soil against that for standard crushed stone, expressed as a percentage of subgrade strength
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2. Which term means: "length needed to perceive, react for 2.5 seconds and brake to a halt, equal to 0.278 V t + V²/(254 f) with V in km/h"?
Junior
A.CBR test
B.Ruling gradient
C.Stopping sight distance
D.Extra widening on curves
Answer + AI explanation with Pro
3. Which statement is correct?
Junior
A.Stopping sight distance — maximum gradient normally adopted for design, 1 in 30 in plains, 1 in 20 in mountainous terrain and 1 in 16.7 in steep terrain
B.Stopping sight distance — penetration test comparing the load to push a plunger 2.5 mm into soil against that for standard crushed stone, expressed as a percentage of subgrade strength
C.Stopping sight distance — raising of the outer edge on a curve so that e + f = V²/(127 R), with friction f taken as 0.15 for design
D.Stopping sight distance — length needed to perceive, react for 2.5 seconds and brake to a halt, equal to 0.278 V t + V²/(254 f) with V in km/h
Answer + AI explanation with Pro
4. What is Camber?
Junior
A.maximum gradient normally adopted for design, 1 in 30 in plains, 1 in 20 in mountainous terrain and 1 in 16.7 in steep terrain
B.National Highways, State Highways, Major District Roads, Other District Roads and Village Roads, with expressways added as the top tier
C.cross slope given for surface drainage, about 2 to 2.5 percent for bituminous surfaces and 1.7 to 2 percent for cement concrete
D.equivalence factor for mixed traffic in which a bus or truck counts as roughly 2 to 3 cars and a two-wheeler as 0.5
Answer + AI explanation with Pro
5. Which term means: "cross slope given for surface drainage, about 2 to 2.5 percent for bituminous surfaces and 1.7 to 2 percent for cement concrete"?
Junior
A.Road classification
B.Camber
C.Stopping sight distance
D.Passenger car unit
Answer + AI explanation with Pro
6. Which statement is correct?
Junior
A.Camber — maximum gradient normally adopted for design, 1 in 30 in plains, 1 in 20 in mountainous terrain and 1 in 16.7 in steep terrain
B.Camber — cross slope given for surface drainage, about 2 to 2.5 percent for bituminous surfaces and 1.7 to 2 percent for cement concrete
C.Camber — additional carriageway width on horizontal curves, combining mechanical widening n l²/(2R) and psychological widening V/(9.5 √R)
D.Camber — equivalence factor for mixed traffic in which a bus or truck counts as roughly 2 to 3 cars and a two-wheeler as 0.5
Answer + AI explanation with Pro
7. What is Road classification?
Junior
A.IS 73 grades VG-10 to VG-40 based on viscosity at 60 °C, replacing the old penetration grades such as 60/70 and 80/100
B.length needed to perceive, react for 2.5 seconds and brake to a halt, equal to 0.278 V t + V²/(254 f) with V in km/h
C.National Highways, State Highways, Major District Roads, Other District Roads and Village Roads, with expressways added as the top tier
D.cross slope given for surface drainage, about 2 to 2.5 percent for bituminous surfaces and 1.7 to 2 percent for cement concrete
Answer + AI explanation with Pro
8. Which term means: "National Highways, State Highways, Major District Roads, Other District Roads and Village Roads, with expressways added as the top tier"?
Junior
A.CBR test
B.Extra widening on curves
C.Superelevation
D.Road classification
Answer + AI explanation with Pro
9. Which statement is correct?
Junior
A.Road classification — raising of the outer edge on a curve so that e + f = V²/(127 R), with friction f taken as 0.15 for design
B.Road classification — cross slope given for surface drainage, about 2 to 2.5 percent for bituminous surfaces and 1.7 to 2 percent for cement concrete
C.Road classification — National Highways, State Highways, Major District Roads, Other District Roads and Village Roads, with expressways added as the top tier
D.Road classification — additional carriageway width on horizontal curves, combining mechanical widening n l²/(2R) and psychological widening V/(9.5 √R)
Answer + AI explanation with Pro
10. What is Viscosity-graded bitumen?
Junior
A.equivalence factor for mixed traffic in which a bus or truck counts as roughly 2 to 3 cars and a two-wheeler as 0.5
B.bituminous mix design test at 60 °C giving stability, flow of 2 to 4 mm and air voids of 3 to 5 percent to fix optimum binder content
C.length needed to perceive, react for 2.5 seconds and brake to a halt, equal to 0.278 V t + V²/(254 f) with V in km/h
D.IS 73 grades VG-10 to VG-40 based on viscosity at 60 °C, replacing the old penetration grades such as 60/70 and 80/100
Answer + AI explanation with Pro
11. Which term means: "IS 73 grades VG-10 to VG-40 based on viscosity at 60 °C, replacing the old penetration grades such as 60/70 and 80/100"?
Junior
A.Road classification
B.Viscosity-graded bitumen
C.Ruling gradient
D.CBR test
Answer + AI explanation with Pro
12. Which statement is correct?
Junior
A.Viscosity-graded bitumen — IS 73 grades VG-10 to VG-40 based on viscosity at 60 °C, replacing the old penetration grades such as 60/70 and 80/100
B.Viscosity-graded bitumen — bituminous mix design test at 60 °C giving stability, flow of 2 to 4 mm and air voids of 3 to 5 percent to fix optimum binder content
C.Viscosity-graded bitumen — additional carriageway width on horizontal curves, combining mechanical widening n l²/(2R) and psychological widening V/(9.5 √R)
D.Viscosity-graded bitumen — length needed to perceive, react for 2.5 seconds and brake to a halt, equal to 0.278 V t + V²/(254 f) with V in km/h
Answer + AI explanation with Pro
13. What is Superelevation?
Mid
A.IS 73 grades VG-10 to VG-40 based on viscosity at 60 °C, replacing the old penetration grades such as 60/70 and 80/100
B.cross slope given for surface drainage, about 2 to 2.5 percent for bituminous surfaces and 1.7 to 2 percent for cement concrete
C.length needed to perceive, react for 2.5 seconds and brake to a halt, equal to 0.278 V t + V²/(254 f) with V in km/h
D.raising of the outer edge on a curve so that e + f = V²/(127 R), with friction f taken as 0.15 for design
Answer + AI explanation with Pro
14. Which term means: "raising of the outer edge on a curve so that e + f = V²/(127 R), with friction f taken as 0.15 for design"?
Mid
A.Passenger car unit
B.Superelevation
C.Camber
D.CBR test
Answer + AI explanation with Pro
15. Which statement is correct?
Mid
A.Superelevation — penetration test comparing the load to push a plunger 2.5 mm into soil against that for standard crushed stone, expressed as a percentage of subgrade strength
B.Superelevation — National Highways, State Highways, Major District Roads, Other District Roads and Village Roads, with expressways added as the top tier
C.Superelevation — length needed to perceive, react for 2.5 seconds and brake to a halt, equal to 0.278 V t + V²/(254 f) with V in km/h
D.Superelevation — raising of the outer edge on a curve so that e + f = V²/(127 R), with friction f taken as 0.15 for design
Answer + AI explanation with Pro
16. What is CBR test?
Mid
A.penetration test comparing the load to push a plunger 2.5 mm into soil against that for standard crushed stone, expressed as a percentage of subgrade strength
B.additional carriageway width on horizontal curves, combining mechanical widening n l²/(2R) and psychological widening V/(9.5 √R)
C.length needed to perceive, react for 2.5 seconds and brake to a halt, equal to 0.278 V t + V²/(254 f) with V in km/h
D.IS 73 grades VG-10 to VG-40 based on viscosity at 60 °C, replacing the old penetration grades such as 60/70 and 80/100
Answer + AI explanation with Pro
17. Which term means: "penetration test comparing the load to push a plunger 2.5 mm into soil against that for standard crushed stone, expressed as a percentage of subgrade strength"?
Mid
A.Marshall stability test
B.CBR test
C.Viscosity-graded bitumen
D.Stopping sight distance
Answer + AI explanation with Pro
18. Which statement is correct?
Mid
A.CBR test — additional carriageway width on horizontal curves, combining mechanical widening n l²/(2R) and psychological widening V/(9.5 √R)
B.CBR test — penetration test comparing the load to push a plunger 2.5 mm into soil against that for standard crushed stone, expressed as a percentage of subgrade strength
C.CBR test — IS 73 grades VG-10 to VG-40 based on viscosity at 60 °C, replacing the old penetration grades such as 60/70 and 80/100
D.CBR test — National Highways, State Highways, Major District Roads, Other District Roads and Village Roads, with expressways added as the top tier
Answer + AI explanation with Pro
19. What is Marshall stability test?
Mid
A.raising of the outer edge on a curve so that e + f = V²/(127 R), with friction f taken as 0.15 for design
B.IS 73 grades VG-10 to VG-40 based on viscosity at 60 °C, replacing the old penetration grades such as 60/70 and 80/100
C.bituminous mix design test at 60 °C giving stability, flow of 2 to 4 mm and air voids of 3 to 5 percent to fix optimum binder content
D.National Highways, State Highways, Major District Roads, Other District Roads and Village Roads, with expressways added as the top tier
Answer + AI explanation with Pro
20. Which term means: "bituminous mix design test at 60 °C giving stability, flow of 2 to 4 mm and air voids of 3 to 5 percent to fix optimum binder content"?
Mid
A.Camber
B.Superelevation
C.Marshall stability test
D.Passenger car unit
Answer + AI explanation with Pro
21. Which statement is correct?
Mid
A.Marshall stability test — cross slope given for surface drainage, about 2 to 2.5 percent for bituminous surfaces and 1.7 to 2 percent for cement concrete
B.Marshall stability test — bituminous mix design test at 60 °C giving stability, flow of 2 to 4 mm and air voids of 3 to 5 percent to fix optimum binder content
C.Marshall stability test — length needed to perceive, react for 2.5 seconds and brake to a halt, equal to 0.278 V t + V²/(254 f) with V in km/h
D.Marshall stability test — IS 73 grades VG-10 to VG-40 based on viscosity at 60 °C, replacing the old penetration grades such as 60/70 and 80/100
Answer + AI explanation with Pro
22. What is Passenger car unit?
Mid
A.cross slope given for surface drainage, about 2 to 2.5 percent for bituminous surfaces and 1.7 to 2 percent for cement concrete
B.additional carriageway width on horizontal curves, combining mechanical widening n l²/(2R) and psychological widening V/(9.5 √R)
C.penetration test comparing the load to push a plunger 2.5 mm into soil against that for standard crushed stone, expressed as a percentage of subgrade strength
D.equivalence factor for mixed traffic in which a bus or truck counts as roughly 2 to 3 cars and a two-wheeler as 0.5
Answer + AI explanation with Pro
23. Which term means: "equivalence factor for mixed traffic in which a bus or truck counts as roughly 2 to 3 cars and a two-wheeler as 0.5"?
Mid
A.Road classification
B.Superelevation
C.Stopping sight distance
D.Passenger car unit
Answer + AI explanation with Pro
24. Which statement is correct?
Mid
A.Passenger car unit — equivalence factor for mixed traffic in which a bus or truck counts as roughly 2 to 3 cars and a two-wheeler as 0.5
B.Passenger car unit — cross slope given for surface drainage, about 2 to 2.5 percent for bituminous surfaces and 1.7 to 2 percent for cement concrete
C.Passenger car unit — raising of the outer edge on a curve so that e + f = V²/(127 R), with friction f taken as 0.15 for design
D.Passenger car unit — penetration test comparing the load to push a plunger 2.5 mm into soil against that for standard crushed stone, expressed as a percentage of subgrade strength
Answer + AI explanation with Pro
25. What is Ruling gradient?
Senior
A.maximum gradient normally adopted for design, 1 in 30 in plains, 1 in 20 in mountainous terrain and 1 in 16.7 in steep terrain
B.bituminous mix design test at 60 °C giving stability, flow of 2 to 4 mm and air voids of 3 to 5 percent to fix optimum binder content
C.cross slope given for surface drainage, about 2 to 2.5 percent for bituminous surfaces and 1.7 to 2 percent for cement concrete
D.IS 73 grades VG-10 to VG-40 based on viscosity at 60 °C, replacing the old penetration grades such as 60/70 and 80/100
Answer + AI explanation with Pro
26. Which term means: "maximum gradient normally adopted for design, 1 in 30 in plains, 1 in 20 in mountainous terrain and 1 in 16.7 in steep terrain"?
Senior
A.Road classification
B.Passenger car unit
C.Stopping sight distance
D.Ruling gradient
Answer + AI explanation with Pro
27. Which statement is correct?
Senior
A.Ruling gradient — additional carriageway width on horizontal curves, combining mechanical widening n l²/(2R) and psychological widening V/(9.5 √R)
B.Ruling gradient — length needed to perceive, react for 2.5 seconds and brake to a halt, equal to 0.278 V t + V²/(254 f) with V in km/h
C.Ruling gradient — maximum gradient normally adopted for design, 1 in 30 in plains, 1 in 20 in mountainous terrain and 1 in 16.7 in steep terrain
D.Ruling gradient — raising of the outer edge on a curve so that e + f = V²/(127 R), with friction f taken as 0.15 for design
Answer + AI explanation with Pro
28. What is Extra widening on curves?
Senior
A.raising of the outer edge on a curve so that e + f = V²/(127 R), with friction f taken as 0.15 for design
B.maximum gradient normally adopted for design, 1 in 30 in plains, 1 in 20 in mountainous terrain and 1 in 16.7 in steep terrain
C.cross slope given for surface drainage, about 2 to 2.5 percent for bituminous surfaces and 1.7 to 2 percent for cement concrete
D.additional carriageway width on horizontal curves, combining mechanical widening n l²/(2R) and psychological widening V/(9.5 √R)
Answer + AI explanation with Pro
29. Which term means: "additional carriageway width on horizontal curves, combining mechanical widening n l²/(2R) and psychological widening V/(9.5 √R)"?
Senior
A.Ruling gradient
B.Extra widening on curves
C.Road classification
D.Viscosity-graded bitumen
Answer + AI explanation with Pro
30. Which statement is correct?
Senior
A.Extra widening on curves — additional carriageway width on horizontal curves, combining mechanical widening n l²/(2R) and psychological widening V/(9.5 √R)
B.Extra widening on curves — cross slope given for surface drainage, about 2 to 2.5 percent for bituminous surfaces and 1.7 to 2 percent for cement concrete
C.Extra widening on curves — maximum gradient normally adopted for design, 1 in 30 in plains, 1 in 20 in mountainous terrain and 1 in 16.7 in steep terrain
D.Extra widening on curves — equivalence factor for mixed traffic in which a bus or truck counts as roughly 2 to 3 cars and a two-wheeler as 0.5
Answer + AI explanation with Pro
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