Influence lines are drawn for structures (A) Of any type (B) Statically determinate (C) Pin-jointed truss (D) None of these

Influence lines are drawn for structures 

(A) Of any type 

(B) Statically determinate 

(C) Pin-jointed truss 

(D) None of these 

by

1 Answer

Answer :

(A) Of any type 

by

Related questions

If in a pin-jointed plane frame (m + r) > 2j, then the frame is (A) Stable and statically determinate (B) Stable and statically indeterminate (C) Unstable (D) None of the above

Description : If in a pin-jointed plane frame (m + r) > 2j, then the frame is (A) Stable and statically determinate (B) Stable and statically indeterminate (C) Unstable (D) None of the above

Last Answer : (B) Stable and statically indeterminate

Muller Breslau's principle for obtaining influence lines is applicable to (i) Trusses (ii) Statically determinate beams and frames (iii) Statically indeterminate structures, the material of which is elastic and follows Hooke's law (iv) Any statically indeterminate structure The correct answer is (A) (i), (ii) and (iii) (B) (i), (ii) and (iv) (C) (i) and (ii) (D) Only (i)

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A rigid-jointed plane frame is stable and statically determinate if (A) (m + r) = 2j (B) (m + r) = 3j (C) (3m + r) = 3j (D) (m + 3r) = 3j Where m is number of members, r is reaction components and j is number of joints

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Last Answer : (C) (3m + r) = 3j

If in a rigid-jointed space frame, (6m + r) < 6j, then the frame is (A) Unstable (B) Stable and statically determinate (C) Stable and statically indeterminate (D) None of the above

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The Castigliano's second theorem can be used to compute deflections (A) In statically determinate structures only (B) For any type of structure (C) At the point under the load only (D) For beams and frames only

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Last Answer : (B) For any type of structure

Castigliano's first theorem is applicable (A) For statically determinate structures only (B) When the system behaves elastically (C) Only when principle of superposition is valid(D) None of the above

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For a beam, if fundamental equations of statics are not sufficient to determine all the reactive forces at the supports, the structure is said to be (A) Determinate (B) Statically determinate (C) Statically indeterminate (D) None of these

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Stress in members of statically determinate simple frames, can be determined by (A) Method of joints (B) Method of sections (C) Graphical solution (D) All the above

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Last Answer : (D) All the above

A three-hinged arch is said to be: (A) Statically determinate structure (B) Statically indeterminate structure (C) A bent beam (D) None of these

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An arch with three hinges, is a structure (A) Statically determinate (B) Statically indeterminate (C) Geometrically unstable (D) Structurally sound but indeterminate

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m1 and m2 are the members of two individual simple trusses of a compound truss. The compound truss will be rigid and determinate if (A) m = m1 + m2 (B) m = m1 + m2 + 1 (C) m = m1 + m2 + 2 (D) m = m1 + m2 + 3

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Last Answer : (D) m = m1 + m2 + 3

A continuous beam is a. statically determinate b. statically indeterminate c.dynamically determinate d. statically redundant

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Last Answer : b. statically indeterminate

Which of the following are statically determinate beams? (a) Only simply supported beams (b) Cantilever, overhanging and simply supported (c) Fixed beams (d) Continuous beams

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A pin-jointed plane frame is unstable if (A) (m + r) < 2j (B) (m + r) = 2j (C) (m + r) > 2j (D) None of the above Where m is number of members, r is reaction components and j is number of joints

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Last Answer : (A) (m + r) < 2j

The degree of kinematic indeterminacy of a pin-jointed space frame is (A) 2j - r(B) 3j - r(C) j - 2r(D) j - 3rWhere j is number of joints and r is reaction components

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Last Answer : (B) 3j - r

If there are m unknown member forces, r unknown reaction components and j number of joints, then the degree of static indeterminacy of a pin-jointed plane frame is given by (A) m + r + 2j (B) m - r + 2j (C) m + r - 2j (D) m + r - 3j

Description : If there are m unknown member forces, r unknown reaction components and j number of joints, then the degree of static indeterminacy of a pin-jointed plane frame is given by (A) m + r + 2j (B) m - r + 2j (C) m + r - 2j (D) m + r - 3j

Last Answer : (C) m + r - 2j

The degree of static indeterminacy of a pin-jointed space frame is given by m r j number of joints) (A) m + r - 2j (B) m + r - 3j (C) 3m + r - 3j (D) m + r + 3j

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Last Answer : (B) m + r - 3j

Degree of kinematic indeterminacy of a pin-jointed plane frame is given by (A) 2j - r (B) j - 2r (C) 3j - r (D) 2j + r

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Columns of given length, cross-section and material have different values of buckling loads for different end conditions. The strongest column is one whose (A) One end is fixed and other end is hinged (B) Both ends are hinged or pin jointed (C) One end is fixed and the other end entirely free (D) Both the ends are fixed

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D' Alembert's principle is used for (A) Reducing the problem of kinetics to equivalent statics problem (B) Determining stresses in the truss (C) Stability of floating bodies (D) Designing safe structures

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Last Answer : (A) Reducing the problem of kinetics to equivalent statics problem

Columns of given length, cross-section and material have different values of buckling loads for different end conditions. The strongest column is one whose (a) One end is fixed and other end is hinged (b) Both ends are hinged or pin jointed (c) One end is fixed and the other end entirely free (d) Both the ends are fixed

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Last Answer : (d) Both the ends are fixed

A uniform cylinder of weight W is rolling while slipping on a rough horizontal surface under the influence of a horizontal force. The force of friction between the cylinder and the surface is a.Proportional to the coefficient of static friction b.Proportional to the coefficient of dynamic friction c.Indeterminate d.Determinate but depends on the acceleration of the cylinder e.None of the above

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A uniform cylinder of weight W is rolling while slipping on a rough horizontal surface under the influence of a horizontal force. The force of friction between the cylinder and the surface is a.Indeterminate b.Proportional to the coefficient of dynamic friction c.Determinate but depends on the acceleration of the cylinder d.107 dynes e.Proportional to the coefficient of static friction

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When a load crosses a through type Pratt truss in the direction left to right, the nature of force in any diagonal member in the left half of the span would (A) Change from compression to tension (B) Change from tension to compression (C) Always be compression (D) Always be tension

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Last Answer : (A) Change from compression to tension

You are asked to design and supervise a truss for a factory to have spans 6 m to 9 m. The type of the truss you will use, is (A) Mansard truss (B) Queen post truss (C) King post truss (D) Collar truss

Description : You are asked to design and supervise a truss for a factory to have spans 6 m to 9 m. The type of the truss you will use, is (A) Mansard truss (B) Queen post truss (C) King post truss (D) Collar truss

Last Answer : Answer: Option C

Beams composed of more than one material, rigidly connected together so as to behave as one piece, are known as (A) Compound beams (B) Indeterminate beams (C) Determinate beams (D) Composite beams

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Last Answer : (D) Composite beams

By applying the static equations i.e. H V M = 0, to a determinate structure, we may determine (A) Supporting reactions only (B) Shear forces only (C) Bending moments only (D) All the above

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Last Answer : (D) All the above

A truss containing j joints and m members, will be a simple truss if (A) m = 2j - 3 (B) j = 2m - 3 (C) m = 3j - 2 (D) j = 3m - 2

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Last Answer : (A) m = 2j - 3 

A compound truss may be formed by connecting two simple rigid frames, by (A) Two bars (B) Three bars (C) Three parallel bars (D) Three bars intersecting at a point

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When loads are applied proportionately to a frame structure containing its members in one plane, the structure is called (A) Grid frame (B) Plane frame (C) Space frame (D) Truss frame

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Last Answer : (C) Space frame

A projecting piece usually provided to support a truss, is (A) Cornice (B) Coping (C) Frieze (D) Lintel

Description : A projecting piece usually provided to support a truss, is (A) Cornice (B) Coping (C) Frieze (D) Lintel

Last Answer : Answer: Option C

Pick up the incorrect statement from the following: (A) In king post truss, one vertical post is used (B) In a queen post truss, one vertical post is used (C) In a queen post truss, two vertical posts are used (D) None of thes

Description : Pick up the incorrect statement from the following: (A) In king post truss, one vertical post is used (B) In a queen post truss, one vertical post is used (C) In a queen post truss, two vertical posts are used (D) None of thes

Last Answer : Answer: Option B

The horizontal timber piece provided at the apex of a roof truss which supports the common rafter is called (A) Ridge board (B) Hip rafter (C) Eaves board (D) Valley rafte

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Last Answer : Answer: Option A

The function of king post in a king post roof truss is (A) To support the frame work of the roof (B) To receive the ends of principal rafter (C) To prevent the walls from spreading outward (D) To prevent the tie beam from sagging at its centre

Description : The function of king post in a king post roof truss is (A) To support the frame work of the roof (B) To receive the ends of principal rafter (C) To prevent the walls from spreading outward (D) To prevent the tie beam from sagging at its centre

Last Answer : Answer: Option D

The function of cleats in a roof truss is (A) To support the common rafter (B) To support purlins (C) To prevent the purlins from tilting (D) All of the above

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Last Answer : Option C

Top chord of a truss is continuous over joints l apart. Effective lengths of the member in the plane perpendicular to the truss is (a) 0.7 l (b) 0.85 l (c ) l (d) 1.5 l

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Last Answer : (c ) l

A protective or decorative non-structural element placed at the level of the truss supports and column head is called (a) Eaves girder (b) Baluster (c ) Eaves board (d) Tie girder

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Last Answer : (c ) Eaves board

Isopiestic lines are the contours (A) Drawn to represent water table (B) Drawn to represent piezometric heads (C) Drawn to piezometric surface (D) None of these

Description : Isopiestic lines are the contours (A) Drawn to represent water table (B) Drawn to represent piezometric heads (C) Drawn to piezometric surface (D) None of these

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Degree of static indeterminacy of a rigid-jointed plane frame having 15 members, 3 reaction components and 14 joints is (A) 2 (B) 3 (C) 6 (D) 8

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Last Answer : (C) 6

Number of unknown internal forces in each member of a rigid jointed plane frame is (A) 1 (B) 2 (C) 3 (D) 6

Description : Number of unknown internal forces in each member of a rigid jointed plane frame is (A) 1 (B) 2 (C) 3 (D) 6

Last Answer : (C) 3

Independent displacement components at each joint of a rigid-jointed plane frame are (A) Three linear movements (B) Two linear movements and one rotation (C) One linear movement and two rotations (D) Three rotations

Description : Independent displacement components at each joint of a rigid-jointed plane frame are (A) Three linear movements (B) Two linear movements and one rotation (C) One linear movement and two rotations (D) Three rotations

Last Answer : (B) Two linear movements and one rotation

The number of independent displacement components at each joint of a rigid-jointed space frame is (A) 1 (B) 2 (C) 3 (D) 6

Description : The number of independent displacement components at each joint of a rigid-jointed space frame is (A) 1 (B) 2 (C) 3 (D) 6

Last Answer : (D) 6

The degree of static indeterminacy of a rigid-jointed space frame is (A) m + r - 2j (B) m + r - 3j (C) 3m + r - 3j (D) 6m + r - 6j Where m, r and j have their usual meanings

Description : The degree of static indeterminacy of a rigid-jointed space frame is (A) m + r - 2j (B) m + r - 3j (C) 3m + r - 3j (D) 6m + r - 6j Where m, r and j have their usual meanings

Last Answer : (D) 6m + r - 6j

Tomato varieties are mainly: a. Indeterminate type b. Determinate type c. Both types d. None of these

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Description : What is the meaning of statically charged?

Last Answer : Something that is statically charged has had electrons added toor removed from it, thus giving it an overall electric charge.Extra electrons make for a negatively charged thing, and thestripping of electrons makes for a positively charged thing.

Beams of fixed types are statically indeterminant in which equations of equilibrium are a. incompatible b. insufficient c. incomplete d.complete

Description : Beams of fixed types are statically indeterminant in which equations of equilibrium are a. incompatible b. insufficient c. incomplete d.complete

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Explain statically induced EMF and Dynamically induced EMF with neat diagrams.

Description : Explain statically induced EMF and Dynamically induced EMF with neat diagrams.

Last Answer : Statically Induced EMF:- When changing magnetic field links with a stationary coil an emf is induced. This emf is called statically induced emf. Statically induced EMF is of two types: Self-induced ... cuts the field and an emf is induced. This emf is called dynamically induced emf.    

Compare statically induced emf with dynamically induced emf on any four points.

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Last Answer : Statically induced emf Dynamically induced emf Emf is induced without any relative motion between conductor and magnetic field. Emf is induced due to relative motion between conductor ... induced in transformer windings e.g emf induced in Generator, Alternator armature windings

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Description : Define: 1) statically induced EMF 2) dynamically induced EMF Write the names of equipments in which these two types of EMF get induced

Last Answer : Concept of statically induced emf: The emf induced in coil or conductors without any relative motion between it and magnetic field is called statically induced emf. When conductor is stationary and flux ... it. This emf is dynamically induced emf. e.g. Emf induced in generators, alternator.