# The principal stress at a point is an elastic material are 1.5 σ(tensile), σ(tensile) and σ/2(compressive). If the elastic limit in simple tension is 2000kg/cm2 and Poisson’s ratio is 0.30, then the value of σ at failure would work out to be 1000 kg/cm2 according to

1.  Maximum principal stress theory

2.  Maximum shear stress theory

3.  Shear strain energy theory

4.  Maximum strain theory

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Maximum shear stress theory

Explanation :
No Explanation available for this question

# In a rectangular element subjected to like principal tensile stresses p1 and p2 in two mutually perpendicular directions x and y, the maximum shear stress would occur along the

1.  Plane normal to x-axis

2.  Plane normal to y-axix

3.  Plane at 450 to y- direction

4.  Plane at 450 and 1350 to the y-direction

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Plane at 450 and 1350 to the y-direction

Explanation :
No Explanation available for this question

# At a point in a strained material, if two mutually perpendicular tensile stresses of 2000 kg/cm2 and 1000kg/cm2 are acting, then the intensity of tangential stress on a plane inclined at 150 to the axis of the minor stress will be

1.  125 kg/cm2

2.  250 kg/cm2

3.  500 kg/cm2

4.  1000 kg/cm2

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250 kg/cm2

Explanation :
No Explanation available for this question

# A shaft of diameter 20+0.05-0.15 mm and a hole of diameter 20+0.20+0.10 mm when assembled would yield

1.  Transition fit

2.  Interference fit

3.  Clearance fit

4.  None

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Clearance fit

Explanation :
No Explanation available for this question

# The fit on a hole-shaft pair system is specified as H7-s6. The type of fit is

1.  Clearance fit

2.  Running fit (sliding fit)

3.  Push fit (transition fit)

4.  Force fit (interference fit)

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Force fit (interference fit)

Explanation :
No Explanation available for this question

# The most widely used reinforcement in modern day FRP tennis racket is

1.  glass

2.  carbon

3.  aluminum

4.  magnesium

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carbon

Explanation :
No Explanation available for this question

# Powder metallurgical components have

1.  same density as that of cast products

2.  higher density than cast products

3.  lower density than cast products

4.  higher density than forged products

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higher density than cast products

Explanation :
No Explanation available for this question

# In an interchangeable assembly, shafts of size 25.000-0.010 +0.040 mm mate with holes of size 25.000+0.020 +0.030 mm. The maximum interference (in microns) in the assembly is

1.  40

2.  30

3.  20

4.  10

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20

Explanation :
No Explanation available for this question

# A metric thread of pitch 2 mm and thread angle 600 is inspected for its pitch diameter using 3-wire method. The diameter of the best size wire in mm is

1.  0.866

2.  1.000

3.   1.154

4.  2.000

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1.154

Explanation :
No Explanation available for this question

1.  0.01

2.  0.055

3.  0.1

4.  0.11

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