Determine the optimum cutting speed for an operation on a lathe machine using the following information: Tool change time 3 min Tool regrind time 3 min Machine running cost Re. 0.50 per min Depreciation of tool regrind Re. 0.50 The constants in the tool life equation are 60 and 0.2.

Q: net area means actual area??

A: The actual area required is calculated as Vd=-QAln(1-η)here,Q=5000m3/min=500060=83.33 m3/sVd=6…

Q: Which of the following statement is correct Select one: Friction causes objects to slip down…

A: Friction force is directly proportional to the normal force acting to body and independent of area…

Q: Which among the following is a forming process in which thickness of the metal plate is decreased by…

A: Rolling: In this handle, the workpiece within the frame of slab or plate is compressed between two…

Q: Describe Pascal’s law?

A: Pascal’s law states that the static pressure acted on a liquid particle at rest is normally towards…

Q: Give an example of concentrated force.

A: Whenever total magnitude of a force act on a single point then this type of loading on a beam is…

Q: What are internal forces?

A: Internal forces are defined as the forces exerted by the particles of the body on each other within…

Q: Statics; working

A:

Q: What is speed?

A: Speed is a scalar quantity that can give us information about the rate of an object or a body…

Q: Select all answers that are correct. Which of the following statements explain why solids have…

A: The atoms of the solid are rigidly bounded and allowed only vibrate within its own small ranges but…

Q: Write the SI units of work done.

A: Work is defined as the product of the displacement and the component of force along the…

Q: What is areal velocity?

A: The measure of the velocity of one celestial body in orbit to another body which is equal to the…

Q: What is the frictional Force

A:

Q: What are the Regions of Concentrated Force and Moment?

A: Concentrated moments which have fixed value, Whereas Moment due to eccentric loads vary with…

Q: What is external force?

A: Answer : Force - It is an effect which changes or try to change the state of a body.

Q: How would density be used to determine the concentration of antifreeze in the cooling system of an…

A: The density of antifreeze in the cooling system of automobiles is used to determine the…

Q: What are limits or limits of size?

A: This question belongs to Metrology. Metrology is a science of measurement by using different…

Q: How can the direction of shear flow be established?

A: In solid mechanics, the shear flow is defined as the flow when the transverse shear force acts on a…

Q: Rolling friction occurs when one surface slides over another surface  Select one: True False

A: Rolling friction is seen between the two surfaces which are in rolling.contact

Q: What are the different systems of Units?

A: The different system of units are listed below: SI system MKS system FPS system CGS system The SI…

Q: 42.The amount of heat required to raise the temperature of 2 kg of iron (sp. Heat = 0.115 kcal/kg-C)…

A: Given data,  m= 2kg  c= 0.115 kCal/kgC  T1= 27°C  T2= 100°C

Q: se explain how you got the P1 and P2 final numbers from the giv

A: We have given in question T=200 and 250 degrees Celsius P=17.3 and 74.4 mm of Hg

Q: What do you mean by quasi-static process?

A: Approach to solving the question:ThermodynamicsDetailed explanation:A quasi-static process (also…

Q: What is quasistatic compression ?

A: "Quasi-static processes" are ideal reversible processes which cannot occur in practical(real…

Q: -differe nce b etwee

A:

Q: -The magnitude of N2 (normal force on Surface-2) is _____N 2-The magnitude of F2 (friction force on…

A: Given:m=40 kgμ=0.5μk=0.4P=500 N

Q: How does the tension in the string change as the masses start to move? Or does it?

A: Consider pulley mass system as shown in the figure below, Scenario 1 Assume the pulley does not…

Q: Define the term work of force?

A: Work of force is defined as the dot product of force and displacement  W=F.S…

Q: The process of splitting a force into its component forces is called ____________ Select one:…

A: The process of splitting a force into its component forces is called the Resolving of forces.

Q: - 2- 45 100lbs/ft 300lb 30 200lbs

A:

Q: What is the dimension of surface tension ?

A: Surface tension is the tendency of liquid surfaces to shrink into the minimum surface area…

Q: What is centripetal force?

A: Centripetal force is a force that acts during a circular motion. During circular motion centripetal…

Q: Where is the center of gravity of a ring

A: For a regular body having rigid shape has center of gravity at the center of body. Where whole mass…

Q: What are the concentrated forces?

A: Concentrated forces are more a  mathematical idealizations than a realistic. Force applied at a…

Q: The tyre of a parked car in a parking lot experiences

A: Answer is static friction

Q: A calliper brake is required for the front wheels of a van with a braking capacity of 900 Nm for…

A: Given: The torque, T = 900 N.m The angle = 45 degrees The outer radius, R = 160 mm The inner radius,…

Q: Give an example of Generalized Hooke’s Law?

A: Generalized Hooke’s Law εx=σxE-νσyE-vσzEεy=σyE-νσxE-vσzEεz=σzE-νσyE-vσxE

Q: Which of the following statement is incorrect? Select one: Friction causes objects to move faster…

A: Solution: