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Maximum shear stress in a beam of rectangular cross section is ________ times the average shear stress.

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NPCIL ST ME (07/11/2019, Shift-2)
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  1. 1.25
  2. 1.5
  3. 2.0
  4. 4.0

Answer (Detailed Solution Below)

Option 2 : 1.5
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Maximum shear stress of rectangular section, maximum stress occur at neutral axis________

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More Different Types of Beams Questions

Q1.At hinge in a beam 
Q2.What will be the section modulus (Z) of a rectangular beam of width (b) and depth (h)?
Q3.What is the section modulus 'S' for a rectangular cross sectional beam having width 'b’ and depth 'h’?
Q4.Beams composed of two materials and rigidly connected together so as to behave as one piece, are known as:
Q5.Which of the following is NOT a type of beam?
Q6.The rectangular beam 'A' has length l, width b and depth d. Another beam 'B' has the same length and width but depth is double that of 'A'. The elastic strength of beam B will be
Q7._________ load is one which is spread over a beam in such a way that the rate of change of loading varies from point to point.
Q8.If a beam is supported on more than two supports, it is called a -
Q9.Two beams have the same width but the first beam has double the depth of the second beam. The elastic strength of the first beam compared to the second beam will be

More Shear Force and Bending Moment Questions

Q1.A simply supported beam with a span length of 5 m carries a moment of 20 N-m (counterclockwise direction) at the middle of the beam. What will the value of reactions be at both the ends of the beam?
Q2.What will be the shape of the bending moment diagram for a cantilever beam carrying a uniformly distributed load throughout its length?
Q3.A cantilever beam with a span length of L m carries a uniform moment of intensity ‘M’ N-m/m. Which of the following statements is correct?
Q4.A simply supported beam with a span length of 4 m carries a uniform load of intensity 5 N/m throughout its length. What will the value of the maximum bending moment (in N - m) in the beam be?
Q5.For a cantilever beam of length 'L' subjected to a uniformly distributed load (UDL) W (kN/m) over its entire length, what is the bending moment at the fixed end? 
Q6.Which type of support allows only rotational movement but resists both horizontal and vertical forces?
Q7.A simply supported beam of 8 m has two vertical point loads: 10 kN at 2 m from the left support, 10 kN at 6 m from the left support. Using the graphical method, what is the approximate reaction at the left support (RA)? 
Q8.A simply supported beam of 10 m carries a uniformly distributed load (UDL) of 5 kN/m over its entire span. What is the reaction force at each support? 
Q9.A simply supported beam of span '5 m' has a moment '100 kN-m' acting at mid span. The reaction at each support is:
Q10.Assume AB = BC= 1 m for the following beam : What will be the vertical reaction at point B?
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More Strength of Materials Questions

Q1.What will be the nature of longitudinal stress in a thin closed cylinder containing hydrostatic fluid pressure?
Q2.A steel bar (E = 200E = 200, α = 12 × 10 − 6/°C) expands by 0.3 mm due to  a temperature increase. If the original length of the bar was 15 cm, what was the temperature rise?
Q3.In the Charpy impact test, the specimen is typically:
Q4.Which of the following represents the polar modulus of the hollow shaft? [ If Do = External diameter and Di = Internal diameter ]
Q5.A simply supported beam with a span length of 5 m carries a moment of 20 N-m (counterclockwise direction) at the middle of the beam. What will the value of reactions be at both the ends of the beam?
Q6.What will be the shape of the bending moment diagram for a cantilever beam carrying a uniformly distributed load throughout its length?
Q7.If a component has a Factor of Safety (FoS) of 1.0, what does it indicate?
Q8.If elastic strength increases 3 times, then Proof Resilience:
Q9.If the external diameter of a hollow shaft is three times greater than its internal diameter, what is the ratio of its torque-carrying capacity compared to that of a solid shaft of identical material and the same outer diameter?
Q10.For a thin planar ring of radius ‘r’ mm and thickness ‘t’ mm, its radius of gyration about the polar axis in mm is:
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