Q.53 In Rankine cycle, increase in superheating temperature at constant pressure results in:Ans 1. decrease in mean temperature of heat addition in cycle2. decrease in thermal efficiency3. decrease in the quality of the steam leaving the turbine4. increase ...

Q.65 During the turning of steel, following data is obtained: At cutting speed of 32 m/min, tool life is 15 minutes;At cutting speed of 50 m/min, tool life is 12 minutes. What will be the tool life for cutting ...

Q.75 Which of the following principal theory of elastic failure is given by Rankine?Ans 1. Maximum total strain energy theory2. Maximum principal stress theory3. Maximum shear stress theory4. Maximum principal strain theoryCorrect Ans: 2

Q.69 In ABC analysis of inventory control, which of the following is CORRECT?Ans 1. Item ‘A’ are few in number and their cost is less2. Item ‘A’ are numerous in number and their cost is less3. Item ‘A’ ...

Q.58 What largest internal pressure can be applied to a cylindrical tank of 2 m diameter and 10 mm wall thickness? (Ultimate tensile strength of steel is 480 MPa and a factor of safety is 8.)Ans 1. ...

Q.71 Which of the following is NOT the inventory control analysis?Ans 1. VED analysis2. SDE analysis3. HED analysis4. ABC analysisCorrect Ans: 3

Q.61 A hollow circular bar (outside diameter = twice of inside diameter) is used as a beam. It is subjected to a maximum bending moment of 47.1 kN-m. If the maximum permissible stress is limited to 64 MPa, ...

Q.66Ans 1.2.3.4.Correct Ans: 1

Q.77 Which of the following is NOT the inventory carrying cost?Ans 1. Storage cost2. Cost of inspection of incoming material3. Cost of deterioration4. Cost of insuranceCorrect Ans: 2

Q.70Ans 1.2.3.4.Correct Ans: 2