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From an alloy, two specimens are machined and tested separately under tension and compression. The engineering stress-strain curves as well as the true stress-true strain curves for tension and compression are plotted in the same diagram. Identify the correct statements:
P. The engineering stress-strain curves in tension and compression are identical.
Q. The true stress-true strain curve in compression is lower than the true stresstrue strain curve in tension due to Bauschinger effect.
R. The true stress-true strain curve in tension is above the corresponding engineering stress-strain, curve.
S. The true stress-true strain curve in tension and compression are identical.
According to the International Commission on Education for the Twenty-first Century headed by Jacques Delors, which of the following main tensions will be witnessed during the 21st century ? A. The tension between the global and the local B. The tension between tradition and modernity C. The tension between the spiritual and the material D. The tension between the poor and the rich E. The tension between the developed and the developing societies Choose the correct answer from the options given below:
Consider the following statements.
1. Surface tension of liquid depends on length but not on the area, like the elastic property.
2. SI unit of surface tension is N/m.
3. Surface tension is a scalar quantity because it has no specific direction for a given liquid.
Which of the statement(s) given above is/are correct?
Determine the correctness or otherwise of the following Assertion (a) and Reason (r).
Assertion: During rolling, front tension and (or) back tension are (is) employed to decrease rolling load.
Reason: Roll pressure decreases due to lowering of flow stress as a result of front tension/back tension.
Consider three software items: Program-X, Control Flow Diagram of Program-Y and Control Flow Diagram of Program-Z as shown below Program-X: Control Flow Diagram of Program-Y sumcal (int maxint, int value) {       int result=0, i=0;       if (value <0)       {           Value = -value;       }       while ( (i
Consider the following statements related to design of tension members with single structural shapes and plates: 1. The common single structural shapes are angle sections, tee sections, and channel sections. 2. Single angles are not used for bracing, for light truss tension members. 3. Occasionally, I sections are also used as tension members as they have more rigidity. Which of the above statements are correct?
Assertion (A) The concept of surface tension is held only for liquid.
Reason (R) Surface tension does not hold for gases.
Consider the following statements: A. A water drop in a vacuum is perfectly spherical. B. The shape of a water drop is due to the action of gravity. C. Soaps and detergents drastically decrease the surface tension of water. D. As temperature increases, surface tension also increases and becomes maximum at critical temperature. Which of the above statements are correct?  Select the code for the correct answer from the options given below:
When the belt is stationary, it is subjected to some tension known as initial tension. The value of this tension is equal to the
When the belt is stationary, it is subjected to some tension, known as initial tension. The value of this tension is equal to the