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it is essential to select a flat belt drive for a compressor running at 720 rpm which is driven by a 25kw 1440 rpm motor space is available for a
determine the work done per minute by a punch tool making 20 working strokes min when a 30 mm diameter hole is punched in 5 mm thick plate with
a single plate clutch effective on both sides is needed to transmit 25 kw at 3000 rpm calculate the outer and inner diameters of frictionalsurface if
a centrifugal clutch is to be prepared to transmit 15 kw at 900 rpm the shoes are four in number the speed at which the engagement begins is 34 th of
a simple band brake performs on a drum of 600mm in diameter that is running at 200 rpm the coefficient of friction is 025 the brake band has a
a double shoe brake is capable of absorbing a torque of 1400 n-m the diameter of the brake drum is 350 mm and the angle of contact for each shoe is
a illustrate self-locking and self-energizing brakesb the diameter of the drum is 250mm and the angle of contact is 90o if the operating force of 700
calculate the principal dimensions of a cone clutch faced with leather to transmit 30 kw at 750 rpm from an electric motor to an air compressor draw
choose a wire rope for a vertical mine hoist to lift a load of 55 kn from a depth 300 meters a rope speed of 500 metermin is to be attained in 10
an open belt connects two flat pulleys the pulley diameters are 300 mm and 450 mm and the corresponding angles of cap are 160o and 210othe smaller
a enlist and describe the several mechanical properties of commonly used engineering materialsb state the objectives and applications of
a describe the basic procedure for mechanical engg designb what is the relationship between the functional requirement and appearance of
you as design engineer describe how you would decide a suitable factor of safety for the design of a new mechanical elementsillustrate the importance
acsr aluminium conductor steel reinforced are used as a over head transmission lines b super conductors c fuse d
materials which can store electrical energy are called a magnetic materials b semi conductors c dielectric materials d super conductors
if taylors tool life constants for a provided operation are specified of n 05 and c 400 what is the percentage increase in tool life when the
the following data was obtained from an orthogonal cutting test rake angle 20o depth of cut 6 mmfeed rate 025 mmrevchip length before cutting 294
what are the condition that could allow a continuous chip to be formed in a metal cutting how is metal removed in metal cutting illustrate the
write the velocity relationship in orthogonal cutting a bar of 75 mm dia is reduced to 73 mm by a cutting tool while cutting orthogonally if the mean
describe the mechanics of orthogonal cutting what is chip thickness ratio and formulae for it explain shear angle relationship based on merchants
how is metal removed in metal cutting explain the process by giving simple model to explain the metal removed processwhat are the different
a what do you mean by machinibility discuss the factors which come into play while evaluating the machinability of any metal also describe
discuss the method of properties manufacturing and applications of following cutting tool materialsi carbidesii ceramicsiii cubic boron nitride
a what is a coated tool what are its advantages what types of coatings are used in cutting tool discussb discuss different types of cutting fluids
in an orthogonal cutting test with a tool of rake angle 10 degree the following observations were made 20 chip thickness ratio 03width of cut