The fit on a hole-shaft system is specified as 117-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 iron-carbon diagram and the TTT curves are determined under

1.  Equilibrium and non-equilibrium conditions respectively

2.    Non-equilibrium and equilibrium conditions

3.  Non-equilibrium and equilibrium conditions

4.  Non-equilibrium conditions for both.

4

Equilibrium and non-equilibrium conditions respectively

Explanation :
No Explanation available for this question

If at the optimum in a linear programming problem, a dual variable corresponding to a particular primal constraint is zero, then it means that

1.  Right hand side of the primal constraint can be altered without affecting Ihe optimum solution

2.  Changing the right hand side of the primal constraint will disturb the optimum solution

3.  The objective function is unbounded

4.  The problem is degenerate

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The objective function is unbounded

Explanation :
No Explanation available for this question

The individual human variability in time studies to determine the production standards is taken care of by

1.  Personal allowances

2.  Work allowances

3.  Rating factor

4.    None of the above

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Rating factor

Explanation :
No Explanation available for this question

A ball falls from a height of 1 m, hits the ground and rebounds with half its velocity just before impact. Then after raising it falls and hits the ground and again rebounds with half its velocity just before impact, and so on. The total distance travelled by the ball till it comes to rest on the ground is

1.  2 m

2.  5/3 m

3.    2/3 m

4.  5/4 m

4

5/3 m

Explanation :
No Explanation available for this question

A solid shaft can resist a bending moment of 3.0 kNm and a twisting moment of 4.0 kNm together, then the maximum torque that can be applied is

1.  7.0 kNm

2.  3.5 kNm

3.  4.5 kNm

4.  5.0 kNm

4

5.0 kNm

Explanation :
No Explanation available for this question

A thick cylinder is subjected to an internal pressure of 60 MPa. If the hoop stress on the outer surface is 150 MPa, then the hoop stress on the internal surface is

1.  105 MPa

2.  180 MPa

3.  210 MPa

4.   135 MPa

4

210 MPa

Explanation :
No Explanation available for this question

A solar energy based hail engine which receives 80 kJ of heat at 100 degree C and rejects 70 kJ of heat to the ambient at 30 degree C is be designed. The thermal efficiency of the heat engine is

1.  70%

2.  1.88 %

3.  12.5 %

4.    Indeterminate

4

12.5 \%

Explanation :
No Explanation available for this question

For two cycles coupled in series, the lopping cycle has an efficiency of 30% and the bottoming cycle has an efficiency of 20%. The overall combined cycle efficiency is

1.  50%

2.  44%

3.    38%

4.  55%

4

44\%

Explanation :
No Explanation available for this question

1.  34%

2.   39%

3.  45%

4.  30%

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