Cutting tool material 18-4-1 HSS has which one of the following composition.
A drum brake is shown in the figure. The drum is rotating in anticlockwise direction. The coefficient of friction between drum and shoe is 0.2. The dimensions shown in the figure are in mm. The braking torque (in N.m) for the brake shoe is ______
A rigid ball of weight 100 N is suspended with the help of a string. The ball is pulled by a horizontal force F such that the string makes an angle of 30 ° with the vertical. The magnitude of force F (in N) is __________
Consider laminar flow of water over a flat plate of length 1 m. If the boundary layer thickness at a distance of 0.25 m from the leading edge of the plate is 8 mm, the boundary layer thickness (in mm), at a distance of 0.75 m, is _______
The friction force is generally due to
Consider the following statements:
1) Charcoal is smokeless solid fuel of black colour.
2) Charcoal has less energy density as compare to Bioethanol.
3) Charcoal is used in the production of high-quality steel.
Which of the following statements is/are correct __________?
A slot is to be milled by a side and face milling cutter with 10 teeth and of diameter 150 mm. the cutting speed is 50 m/min and feed is 0.95 mm/tooth. The table feed in mm/min will be_____?
A concentrated load of P acts on a simply supported beam of span L at a distance from the left support. The bending moment at the point of application of the load is given by
The device which permits the connection and disconnection of shaft is:
A three rotor system has following number of natural frequencies __________.