Austenite is a combination of

1.  ferrite and cementite

2.  cementite and gamma iron

3.  ferrite and austenite

4.   ferrite and iron graphite

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4
Correct Answer :

cementite and gamma iron


Explanation :
No Explanation available for this question

The transistor is made of

1.  silver

2.  gold

3.  copper

4.  germanium

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4
Correct Answer :

germanium


Explanation :
No Explanation available for this question

Lead is poured into the joint between two pipes. These pipes may be made of

1.  cast iron

2.  vitrified clay

3.  asbestos cement

4.  concrete

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4
Correct Answer :

cast iron


Explanation :
No Explanation available for this question

Which of the following statements is/are correct 1. For statically determinate structures, magnitudes for maximum effects due to a series of concentrated loads can be established with the aid of influence lines. 2. Cables in suspension bridges will not take the parabolic shape if uniformly loaded along the horizontal span. 3. In a three-hinged arch structure, the normal force, shear and moment at any section are not influenced by the horizontal reaction at the support.

1.  1, 2 and 3

2.  1 only

3.  2 only

4.  3 only

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4
Correct Answer :

1 only


Explanation :
No Explanation available for this question

A three-hinged arch of span L and rise R is subjected to a concentrated load P at the crown-point. The horizontal thrust at the support is

1.  PL/4R

2.  PL/R

3.  PR/L

4.  PL/3R

View Answer  
4
Correct Answer :

PL/4R


Explanation :
No Explanation available for this question

A simply supported beam of span L shown in the above figure is subjected to a concentrated load W at its mid- span and also to a uniformly distributed load equivalent to W. It has a flexural rigidity of EI. What is the total deflection at its mid-point

1.  5/384 ×WL3/EI

2.  9/384 ×WL3/EI

3.  13/384 ×WL3/EI

4.  18/384 ×WL3/EI

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4
Correct Answer :

13/384 ×WL3/EI


Explanation :
No Explanation available for this question

The force in member BC is

1.  P/2√2

2.  Zero

3.  2P/√3

4.  P√3/2

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4
Correct Answer :

Zero


Explanation :
No Explanation available for this question

The degree of static indeterminacy for the rigid frame as shown below is

1.  3

2.  4

3.  5

4.  6

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4
Correct Answer :

5


Explanation :
No Explanation available for this question

Clockwise moments are applied to both the ends of a uniform simply supported beam. If the ratio of the rotation of two ends is 2, then the ratio of the applied moments will be

1.  5/4

2.  7/5

3.  5/3

4.  3/2

View Answer  
4
Correct Answer :

5/4


Explanation :
No Explanation available for this question

Which of the following statements are correct 1. It is common practice to discount the influence of axial thrust on bending stiffness of members of frames. 2. In a portal frame of single bay, the columns have different thermal coefficients of expansion. If the whole frame is subjected to a same temperature, there will be a component of deformation in the vertical direction. 3. The flexibility method of analysis cannot be used to solve any kind of indeterminate structural problem.

1.  1, 2 and 3

2.  1 and 3 only

3.  1 and 2 only

4.  2 and 3 only

View Answer  
4
Correct Answer :

1 and 2 only


Explanation :
No Explanation available for this question
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