Time Left - 25:00 mins
GATE CE 2020 National Champion Quiz 8 (App update required to attempt this test)
Attempt now to get your rank among 545 students!
Question 1
Using a sleeper density of n+5, find out the number of sleepers required for constructing a broad gauge railway track of 0.64 km length.
Question 2
The following test results were obtained by a CBR test on a sub grade soil
Area of plunger = 20.3 cm2
Standard Aggregate pressures for 2.5 mm and 5 mm penetration are 70 kg/cm2 and 105 kg/cm2 respectively. CBR value of the soil is
Area of plunger = 20.3 cm2
Standard Aggregate pressures for 2.5 mm and 5 mm penetration are 70 kg/cm2 and 105 kg/cm2 respectively. CBR value of the soil is
Question 3
The length of transition curve of pavement required on horizontal curve of radius 300 m of a 2 lane highway passing through rolling terrain for a design speed of 55 km/hr. is _________ m. ( up to 3 decimal places)(Avoid super elevation criteria)
Question 4
A pre-timed four phase signal has critical lane flow rate for the first three phases as 200, 187 and 210 veh/hr with saturation flow rate of 1800 veh/hr/lane for all phases. The lost time is given as 4 seconds for each phase. If the cycle length is 60 seconds, the effective green time (in seconds) of the fourth phase is _________
Question 5
The critical flow ratios for a three-phase signal are found to be 0.30, 0.25, and 0.25. The total time lost in the cycle is 10 s. Pedestrian crossings at this junction are not significant. The respective Green times (expressed in seconds and rounded off to the nearest integer) for the three phases are
Question 6
A rotary intersection is provided with an average width 8.6 m, width of weaving section as 14.2m and length of weaving section between channelizing island as 35 m. The crossing traffic and total traffic on weaving section are 1200 and 1800 PCU/h, respectively. The nearest rounded capacity of rotary (in PCU/h) is
Question 7
The specific gravities of course aggregate, fine aggregate and bitumen are 2.8, 2.66 and 1. The unit weight of bituminous mixture containing 70% course aggregate, 24% fine aggregate and 6% bitumen by weight of the mixture is ________ gm/cm3. The voids after compaction are 8%.
Question 8
The following data is related to a horizontal curved portion of a two-lane highway :
Radius of curve = 125 m ; Length of curve = 160 m and width of pavement = 7 m
If a stopping sight distance (SSD) of 100m is provided, then the setback distance required from the inner face of the inner lane of the pavement is
Radius of curve = 125 m ; Length of curve = 160 m and width of pavement = 7 m
If a stopping sight distance (SSD) of 100m is provided, then the setback distance required from the inner face of the inner lane of the pavement is
Question 9
Find the thickness of base course by using following data.
What load (P) = 4100 kg
Radius of contact area (a) = 15 cm
Traffic coefficient (x) = 1.7
Rainfall coefficient (y) = 0.7
Design deflection (D) = 0.25 cm
Elastic modulus of subgrade ES = 120 kg/cm2
Modules of elasticity of base course material (EB)
= 240 kg/cm2
A bituminous layer 7 cm is provided at top with EBt = 1240 kg/cm2
Question 10
What is the equivalent single wheel load (in KN) of a dual wheel assembly carrying 20440N each or pavement thickness of 25cm? center to center spacing of tyres is 30cm and the distance between the wall of tyres is 11cm
Question 11
If a descending gradient of 1 in 25 meets an ascending gradient of 1 in 40, then the length of valley curve required for a head light sight distance of 100 m will be(m)
Question 12
On a two way traffic road the speed of overtaken vehicles are 65 to 40 kmph respectively. If the average acceleration of overtaken vehicle is 0.92 m/sec2. Then safe overtaking sight distance will be ___ m.
- 545 attempts
- 7 upvotes
- 2 comments
Nov 11ESE & GATE CE
