The external and internal diameters of a collar bearing are 200 mm and 150 mm respectively. Between the collar surface and the bearing, an oil film of thickness 0.25 mm and of viscosity 0.9 poise, is maintained. Find the torque and the power lost in overcoming the viscous resistance of the oil when the shaft is running at 250 r.p.m.

Q: An aluminum tube of 3-in. outside diameter is to carry a load P of 10 kips having an eccentricity e…

A: D = 3 in P = 10 kipse = 0.6 in

Q: A flanged wooden shape is used to support the loads shown on the beam. The dimensions of the shape…

A:

Q: For the plate and loadings shown, determine the reaction at A and B. 75 Ib in. 60 Ib 10 in. 20 in.-

A: Given To find : Reactions at support A i.e Ay & Ax                 and support B i.e By

Q: The piston rod of diameter 20 mm and length 700 mm in hydraulic cylinder is subjected to compressive…

A: Given data- A piston rod- Diameter d=20 mm, Length L=700 mm, Compressive force P = 10 kN, E=200 GPa,…

Q: A 3-inch diameter shaft rotates at 750 rev/min in a 3-inch-long full journal bearing. The lubricant…

A: Solution

Q: water 3cm D=5 cm Mercury The tank in the has a plug at the 5cm diameter bottom. on the rrght. All…

A:

British Gravitational Bg System Of Units

Measuring is the comparison of a particular physical quantity with its reference value. A unit is a fixed physical quantity. The length is a physical quantity. A physical quantity is the product of a unit and the numerical value we need to compare with.