ISRO Scientist or Engineer Civil 2014

Download PDF
For the following questions answer them individually
ISRO Scientist or Engineer Civil 2014 - Question 11

The modulus of Rupture of concrete in terms ofits characteristic cube compressive strength $$f_{ck}$$ in Mpa according to 1S456 — 2000 is

ISRO Scientist or Engineer Civil 2014 - Question 12

For limit state of collapses, the partial safety factor recommended by IS456 — 2000 for estimating the design strength of concrete and reinforcement steel are respectively

ISRO Scientist or Engineer Civil 2014 - Question 14

Six columnsofbuilding are to be located within the plot size of 15x10m. The expected load on each column is 600 KN. Allowable bearing capacity of soil is 120 $$\frac{KN}{m^{2}}$$
The type of foundation to be used is

ISRO Scientist or Engineer Civil 2014 - Question 15

A clay soil sample is tested in tri-axial apparatus in consolidated drained conditions at a cell pressure of $$\frac{100 KN}{m^{2}}$$ What will be the pore water pressure at a deviator stress of $$\frac{40 KN}{m^{2}}$$

ISRO Scientist or Engineer Civil 2014 - Question 18

A compacted sample of soil with bulk density of $$2.0  g/cm^{3}$$ has a water content of 15%. What is its dry density? Assume G = 2.65

ISRO Scientist or Engineer Civil 2014 - Question 19

A wet sample of sand weighing 415g is taken for water content determination by a pyconometer. The mass of pyconometer, sand and water is 1667g and mass of pyconometer full of water alone is 1440g.Assume G = 2.67. Determine water content.

ISRO Scientist or Engineer Civil 2014 - Question 22

Coplanner concurrent force are those forces which

ISRO Scientist or Engineer Civil 2014 - Question 23

The best hydraulic cross section for a open channelis the one

ISRO Scientist or Engineer Civil 2014 - Question 24

There is a free overall fall at the end of a long channel. For a given flow rate, the critical depth is less than normal depth What gradually varied flow profile will occur in the channel for the flow rate?

ISRO Scientist or Engineer Civil 2014 - Question 25

For an isotropic material, the relationship between Young’s Modulus(E), Shear Modulus(G), and Poission’s ratio $$(\mu)$$ is given by

ISRO Scientist or Engineer Civil 2014 - Question 26

A standard measure of ductility of a material is

ISRO Scientist or Engineer Civil 2014 - Question 27

A rod of length L= 500 mm and cross sectional area A = 60 $$mm^{2}$$ is made of an elasto plastic material having a modular of elasticity E = 200 Gpa nits elastic range and yield point $$\sigma y$$=300 Mpa. The rod is subjected to an axial load until it is stretched 7 mm and the load is then removed. What is the resulting permanent set?

ISRO Scientist or Engineer Civil 2014 - Question 28

The changein the volumeper Unit volume occurs when normalstresses are applied on an element of isotropic materialis called as

ISRO Scientist or Engineer Civil 2014 - Question 29

Determinethe change in volumeofa steel block of size $$80mm \times 40mm \times 60mm$$ when it is subjected to the hydrostatic pressure P = 180 Mpa. Use E = 200 Gpa and v = 0.29

ISRO Scientist or Engineer Civil 2014 - Question 30

Whisper concrete is used

ISRO Scientist or Engineer Civil 2014 - Question 31

The compound formed due to interaction of oxides present in the raw material of cement in the kiln at a high temperature are called

ISRO Scientist or Engineer Civil 2014 - Question 32

Transition Zone represents

ISRO Scientist or Engineer Civil 2014 - Question 37

Asingle bay single storey portal frame has hingedleft support and fixed right support.It is loaded with uniformly distributed load on the beam. Which one of the following
statement is true with regard to the deformation of the frame

ISRO Scientist or Engineer Civil 2014 - Question 44

California Bearing Ratio (CBR)

ISRO Scientist or Engineer Civil 2014 - Question 52

A benchmark has been established at the soffit of an ornamental arch at known elevation of 100.0 m above mean sea level. The back sight used to establish height of instrument is an inverted staff reading 2.105m. A forward sight-reading with normally held staff of 1.105m is taken on recently constructed plinth. The elevation of plinth is

ISRO Scientist or Engineer Civil 2014 - Question 53

The method of leveling in which heights of mountain are found by observing the temperature at which the water boils is known as

ISRO Scientist or Engineer Civil 2014 - Question 54

According to the Fuller’s formula, the flood discharge (Q) in cumsecis given by

ISRO Scientist or Engineer Civil 2014 - Question 56

A hydraulic jump is formed when

ISRO Scientist or Engineer Civil 2014 - Question 57

A convective precipitation is

ISRO Scientist or Engineer Civil 2014 - Question 58

A river meanderingthrough an alluvial plain flows in a series of consecutive curves of reverse order (sinous Curve), the transverse distance between the apex point of one curve and apex point on the reverse curve is called

ISRO Scientist or Engineer Civil 2014 - Question 60

In the process of screening, the screen are inclined at $$45^\circ$$,the area of openings in screen should be suchthatthe velocity of flow through them doesnot exceed,

ISRO Scientist or Engineer Civil 2014 - Question 62

Self cleansing velocity is

ISRO Scientist or Engineer Civil 2014 - Question 63

When design imposed load doesnot exceed three-fourths of the design dead load,the load arrangement on structural frame as per IS 456-2000 is

ISRO Scientist or Engineer Civil 2014 - Question 64

A rectangular column section of $$250 \times 400$$ mm reinforced with 6 steel bars of $$Fe_{500}$$, each of 25mm diameter. Concrete Mix is $$M_{30}$$. Axial load on column section with minimum eccentricity as per IS 45 6-2000using limit state method can be applied upto:

ISRO Scientist or Engineer Civil 2014 - Question 66

If $$\psi$$ is the nominal diameterofreinforcing bar, $$f_{x}$$, is compressive stress in the bar and $$f_{bd}$$ is design bondstress of concrete,the anchorage length $$l_{a}$$ of straight bar in compression is equalto:

ISRO Scientist or Engineer Civil 2014 - Question 67

A concrete beam prestressed with a parabolic tendon is shown in the sketch. The eccentricity of the tendon is measured from the centroid of the cross section. The applied prestressing force at service is 1620 KN. The uniformly distributed load of $$\frac{45KN}{m}$$ includes self weight.

The stress (in $$\frac{N}{mm^{2}}$$) in the bottom fibre at Mid Span is

ISRO Scientist or Engineer Civil 2014 - Question 68

As per IS 456-2000; in the limit state design of a flexural member, the strain in reinforcing bar undertension at ultimate state should not be less than

ISRO Scientist or Engineer Civil 2014 - Question 69

As per Indian Standard code of practice for prestressed concrete (IS 1343 — 1980), the minimum grade of concrete to be used for post tensioned and prestressed. structural
elements are respectively

ISRO Scientist or Engineer Civil 2014 - Question 70

Thefinal deflection of a structure due to all loads including the effects of temperature, creep and shrinkage and measured from the as — cast level of support of floor, roofs
and all other horizontal forces should not normally exceed

ISRO Scientist or Engineer Civil 2014 - Question 71

A square footing $$2m \times 2m$$ is built in a homogenous bed of sand of density $$\frac{1.9t}{m^{3}}$$ and having an angle of shearing resistance of $$38^\circ$$ The depth of base of footing is 0.8m below the ground surface. What is the safe load according to Terzaghi analysis which can be carried by the footing with a factor of safety of 3 against complete shear
failure? Assume $$\psi=38^\circ$$; $$N_{q}=65$$,$$N_{r}=80$$

ISRO Scientist or Engineer Civil 2014 - Question 72

An elastic medium carries at its surface a uniform load of 10 $$\frac{t}{m^{2}}$$ ( $$\approx$$ 100 Kpa) covering a rectangular area of $$4m \times 3m $$.Find the vertical pressure at a depth of 5m below the center and corner of the loaded area. Assume influence factor of equal Quadrantis 0.0474 and influence factor for the point located at the corners of loaded area is 0.1247

ISRO Scientist or Engineer Civil 2014 - Question 73

A retaining wall, 4.5m high has a smooth vertical back. The back fill has a horizontal surface in level with top of the wall. There is a uniformly distributed surcharge load of
$$\frac{2t}{m^{2}}$$ intensity over the back fill. The density of the soil is $$\frac{1.9t}{m^{3}}$$,its angle of shearing resistance is $$30^\circ$$ and cohesion is zero. Determine the magnitude of the total active pressure per metre length of wall.

ISRO Scientist or Engineer Civil 2014 - Question 75

At two points ‘1’ and ‘2’ in a pipeline, the velocities of fluid are v and 3v respectively. Both points are at same elevation. The flow can be assumed to be incompressible, inviscid, steady and irrotational. The difference in pressure $$P_{1}$$ and $$P_{2}$$ at point 1 and 2 is

ISRO Scientist or Engineer Civil 2014 - Question 76

The top width and depth of flow ina rectangular channel were measured as 4m and 1m respectively. The measured velocities on the center line at the water surface, 0.2m and 0.8m below the surface are 0.7 $$\frac{m}{s}$$,0.8 $$\frac{m}{s}$$,0.6 $$\frac{m}{s}$$ respectively. Using two point method of velocity measurement, the discharge $$(in \frac{m^{3}}{s})$$ in a channel is

ISRO Scientist or Engineer Civil 2014 - Question 78

A concrete floor slab of 140 mm thick is reinforced by 16mm diasteel rods placed 38 mm above the lower face of the slab and spaced 150mm oncenter. The distance from the upper face of slab to steel is 100mm. The modulus of elasticity is 25 Gpa for concrete and 200 Gpa for steel. Knowing that a bending moment of 4.5KN-M is applied to each 0.30m width of slab, determine the maximum stress in the concrete and steel respectively

ISRO Scientist or Engineer Civil 2014 - Question 79

The Poisson ratios of soil sample 1 & 2 are $$\mu_{1}$$ and $$\mu_{2}$$ respectively and the coefficient of earth pressure at rest for soil sample 1 and 2 are $$K_{1} and K_{2}$$ respectively.If $$\frac{\mu_{1}}{\mu_{2}}$$= 1.5 and $$\frac{1-\mu_{1}}{1-\mu_{2}} $$=0.875 then $$\frac{k_{1}}{k_{2}}$$ will be

ISRO Scientist or Engineer Civil 2014 - Question 80

Maximum cement content, maximum water cement ratio and minimum grade of concrete with nominal weight of aggregate of 20 mm size for very severe exposure condition as per IS456-2000are respectively

Join CAT 2026 course by 5-Time CAT 100%iler

Start your IIM journey with the right preparation and crack CAT 2026.

Enroll Now