For speed and delay analysis test was done and following data is collected
I. Number of vehicles counted in the direction of stream when test vehicle is in opposite direction = 170
II. Overtaking vehicle = 130
III. Overtaken vehicle by test vehicle = 70
IV. Time taken, in minutes when test Vehicle is travelling with the steam = 17 min.
V. Time taken in minutes when test vehicle is running against the stress = 27min.
The flow vehicle in volume per hour will be?
Question 2
If car ‘A’ and car ‘B’ are racing continuously for 2 hours and expressions relating the distance travelled (d in km) and time (t in hour) for both the vehicles are [d = 60 t] and [d = 90 t2], respectively, then the maximum space headway, within the first one hour, would be
Question 3
A single lane unidirectional highway has a design speed of 60 km/h. The perception brake reaction time of drivers is 2.5 sec and the average length of vehicles is 6m. The coefficient of longitudinal friction of the pavement is 0.5. The capacity of this road in terms of vehicle/hr per lane is
Question 4
A valley curve is formed between two gradients having deviation angle 1 in 15. If the length of curve is 45 m calculate the safe speed with which vehicle should travel to have impact free movement. Assume allowable rate of change of centrifugal acceleration is 0.6 m/s3.
Question 5
Consider following statements related to Khosla’s theory of seepage below a hydraulic structure for a weir shown below :
1. Correction for pressure at point C, due to mutual interference of pile no (2) on pile no (1) shall be positive
2. Correction for pressure at point E2 due to mutual interference of pile no (1) on pile no (2) shall be negative
3. Correction for pressure at point E1 due to thickness of floor shall be positive
4. Correction for pressure at point C1 due to thickness of floor shall be negative
Correct statement(s) is/are:
Question 6
Calculate the year’s purchase for a property of useful life of 30 years and rate of interest of 5% per annum.
Question 7
An electric generator is installed in the building at a cost of Rs. 50,000. Calculate the annual sinking fund (Rs.) required to be deposited to accumulate the whole amount of 5% compound interest. Assume the life of the electric generator as 10 years.
Question 8
In PERT analysis, the time estimates of activities and probability of their occurrence follow
Question 9
Which one of the following does have some limitations when applied to detailed engineering design work during early stages of a project?
Question 10
The measured pH values of incoming and outgoing water at a water treatment plant are 7.3 and 8.5 respectively. What is the average pH of water, assuming linear variation of pH with time?
Question 11
A city has a population of 100000 with an average rate of demand of 160 litres per head per day. What is the actual number of filters required if the size of each filter is 9m x 5m? Assume the average filtration rate as 4500 litres per hour per m2.
Question 12
In Limit state of Collapse the maximum strain concrete at the outer most compression edge in bending is taken as
Question 13
If the reinforcement is confined by a compressive reaction value of (M1/V )may be
Question 14
A part of the slab may be considered as the flange of the T-beam if _______.
Question 15
If σcb is the permissible stress in compressiondue to bending in concrete in N/mm2, the modularratio (m) is of the order of:
Question 16
A cantilever RCC beam 230mm×450mm effective depth has span 4m and carries a UDL of 500 KN/m inclusive of its self-weight, the bending moment is:
Question 17
Which of the systems are particularly suited for construction of pre-stressed concrete superstructure of long span bridges without the use of staging from below?
Question 18
For very severe condition, Minimum grade of concrete required for RCC is
Question 19
A beam curved in plan is designed for
Question 20
The relation between intensity of wind pressure p and wind velocity V on a roof truss is considered as:
Question 21
If initial Dissolved Oxygen (DO) and final DO after 5 days incubation at 20°C in 1.0% dilution sample are 5.0 mg/L and 4.0 mg/L respectively, what is 5-days BOD of the same sample in mg/L?
Question 22
If the Froude number in open channel is more than one, the flow is called:
Question 23
A continuous beam ABC is as shown in the figure. End supports are simple (i.e., A and C) and span AB=L BC=L. There is a concentrated load ‘W’ at the centre of the span AB while no load over the span BC.Ej is same for both the spans What is the moment at the continuous support B?
Question 24
A simple truss ABC is supported at A and B as shown in the figure. If a point load (P) along BC is applied at joint C in horizontal direction, then what will be the vertical deflection at C ?
Assume same area and same material
(i.e., A.E, I same for all members).
Question 25
In the moment distribution method, the carry over moment, when the far end is fixed, is equal to
Question 26
A three-hinged semicircular arch of radius R carries a uniformly distributed load W per unit run over the whole span. The horizontal thrust is
Question 27
In the pin-jointed truss shown in the figure, the static degree of indeterminacy is
Question 28
A beam ABC is simply supported at A and B . BC is overhanging. Span AB=8m, BC=2m. Point ‘D’ is situated at 3 m from A . Using and influence line diagram or otherwise, find the maximum ordinates at ‘D’ of the influence line diagram for shear at ‘D’
Question 29
Consider the following statements: Perforated bricks are preferred in construction since 1) They are lighter 2) They are stronger than class 1 bricks 3) They have heat-insulating properties 4) They are cheaper and need less mortar Which of these statements are correct?
Question 30
The artificial stone that is prepared by immersing granite pieces in sodium silicate solution.
Question 31
Arrange the following minerals in the increasing order of their hardness:
1) Talc
2) Calcite
3) Quartz
4) Diamond
Question 32
The pressure less than atmospheric pressure is known as
