Consider the following statements : If two planes at right angles carry only shear stress of magnitude 'q', then thediameter of Mohr's circle would equal 2qcentre of the Mohr's circle would lie at the originprincipal stresses are unlike and have magnitude 'q'angle between the principal plane and the plane of maximum shear would be equal toOf these statements :
Consider the following statement: High early strength of cement is obtained as a result of fine grinding. decreasing the lime content burning at higher temperatures increasing the quantity of gypsum. Of these statements :
In a tree, the cambium layer is situated between :
The laboratory tests on a sample yielded the following results :Plasticity index :%Liquidity index : - 0.Activity number: 1.58.Which of the following inferences can be drawn ?The soil is very stiff.The soil is medium soft.The soil is highly plastic.The soil is medium plastic.The soil is active.Select the correct answer using the codes given below :
A perfect plane frame having n number of members and j number of joints should satisfy the relation
A cantilever of constant depth carries a uniformly distributed load on the whole span. To make the maximum stress at all sections the same, the breadth of the section at a distance x from the free end should be proportional to
Self-purification of running streams may be due to
As the state of strain of an element of dense sand changes from plain strain to trivial condition, the effective angle of internal friction :
In photogrammetric surveying, the image of the top of the hill ismm, from the principal point of the photograph. If the elevation of the top of the hill ism and the flying height ism above datum, then the relief displacement is
As a natural material, timber is which one of the following ?
Seasoning of timber is required to
The performance of a well is measured by its
A clay layer 3 m deep is sandwiched by a pervious material. The soil reachesconsolidation in 3 years. At another site, the same clay layer is bounded by impervious boundary at the bottom and sand at the top. What is the time taken by this layer to reachsettlement ?
Which one of the following statements is correct ? Lug angles:
A saturated clay layer with single drainage face takes 4 years to attaindegree of consolidation. If the clay layer had double drainage, then the time required to attaindegree of consolidation is
Consider the following statements :Butterfly valve is used for throttling and controlling flow rate.Check valve is used in the discharge piping of a pump.Air-relief valve is placed in the pipeline at the valleys to automatically vent the accumulated air in the systemAltitude valve is provided in user overhead tank.Which of the statements given above are correct ?
The total observed runoff volume during a 4 hour storm with a uniform intensity of 2.8 cm/hr is 25.2 x 106 m3 from a basin ofkm2 area. What is the average infiltration rate for the basin ?
Two closed thin vessels, one cylindrical and the other spherical with equal internal diameter and wall thickness are subjected to equal internal fluid.pressure. The ratio of hope stresses in the cylindrical to that of spherical vessels is
The compacting factor test of cement concrete determines its
Which of the following determination are NOT necessary for raw water from a lake for use as source of supply of water for boiler-feed ?TurbidityBacterial countIronHardness.Select the correct answer using the codes given below :
Consider the following parameters related to a rotary intersection :Width of the weaving section.Length of the weaving section.Proportion of weaving traffic.Weaving angle.Width of the carriageway at entry.Capacity is generally expressed in terms of
Consider the following statements :In subsoil exploration programme the term "significant depth of exploration" is uptothe width of foundationtwice the width of foundationthe depth where the additional stress intensity is less thanof overburden pressurethe depth where the additional stress intensity is less thanof the overburden pressurehard rock level.Of these statements :
At a point in a strained material, if two mutually perpendicular tensile stresses ofkg/cm2 andkg/cm2 are acting, then the intensity of tangential stress on a plane inclined atto the axis of the minor stress will be :
Consider the following statements :Selection of the type and grade of the bituminous binder is made on the basis ofcost of the binder material.climatic conditions of the area and the construction technique.degree of importance of the road.thickness of pavement layer to be constructed.Which of these statements is/are correct ?
The phenomenon of decreased resistance of a material due to reversal of stress is called
Consider the implicit details between, before and after successive steps in/within the order while doing time computations on a CPM network. (FP => Forward Pass; BP => Backward Pass; LET => Late Event Time; EET => Early Event Time; TF => Total Float; PD => Project Duration; AD => Activity Duration)The correct sequence of computation would be
Which one of the following is not biodegradable organic matter ?
What is the prime objective of providing a point lock ?
What is the distance through which the tongue rail moves laterally at the toe of the switch for movement of trains called ?
Consider the following statements :A : The collapse load found in the plastic analysis of a continuous beam is affected by sinking of supports. B : Large elastic stresses are caused at the supports due to sinking of supports.Of these statements :
Which of the following pairs is not correctly matched ?
Consider the following statements :Among the more common varieties of timber, namely, sal, mango and deodar, sal is the strongest. mango is the least durable.deodar is the lightest.Of these statements :
A beam of rectangular sectionmm xmm carries certain loads such that the Bending Moment at a section A is M ans at another section B it is (M + C).The distance between the sections A and B is 0.5 m and there are no external loads acting between the two sections. If the value of C isNm, then the maximum shear stress is
A car accelerates from rest to a speed ofm/s and the energy spent in doing this is E. If the car is further accelerated fromm/s to 20m/s, what is the amount of energy to be spent further ?
Consider the following statements :I. The intersection of the first and last ray in funicular diagram is on the line of action of the resultant.II. Intersection of first and last ray in polar diagram gives the magnitude of the resultant. Of these statements :
A retaining wall 8 m high with a smooth vertical back retains a clay back fill with C' =kN/m2, φ =and γ =kN/ m3. (Given sin≅ 0.25). The pressure at the top will, nearly, be equal to
Presence of which one of the following in water is the major cause of depression paralysis, blindness and/or birth defects ?
When a particular discharge is flowing in a horizontal pipe, a mercury-water U-tube manometer connccted to the entrance and throat of a venturimeter fitted in the pipe recorded a deflection ofcm. If the same discharge flowed through the same pipe kept at an inclination ofto the horizontal, then the corresponding deflection recorded by the U-tube manometer will be
In consolidation testing, curve fitting method is used to determine
Which one of the following tools is required to bend the rails for track maintenance ?
The losses in prestress in pre-tensioning system are due to :elastic deformation of concrete when wires are tensioned successivelyfrictionshrinkage and creep of concreteSelect the correct answer using the codes given below:
Couple M is applied at C on a simply supported beam AB. What is the maximum shear force for the beam ?
A cantilever beam of span 4 m and cross-sectional are 0.3 m wide and 0.4 m deep is subjected to a concentrated load ofkN at the free end. Neglecting self-weight, the maximum bending stress at a section 2 m from the free end will be
In a closed traverse, the sum of south latitudes exceeds the sum of north latitudes and the sum of east departures exceeds the sum of west departures. The closing line will lie in the
Force of buoyancy on a floating body equals
A grinding wheel rotatesrpm. When power supply is cut off, the wheel stops completely inseconds. What is the number of revolutions made by the wheel before coming to rest ?
In cement concrete pavements, tie bars are installed in
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