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a) State FOUR factors that affect the effectiveness of hydrodynamic lubrication as a means of reducing friction between components.
b) Under what conditions would boundary lubrication be used rather than hydrodynamic lubrication and what would cause this to happen?
c) Briefly describe THREE uses of lubricants other than for lubrication.
Tensile and Compressive Force: T ensil e Forces A force, that pulls the body, is called as tensile force. Here member AB is tension member carrying tensile force P. As
(a) A four cylinder engine operates at 1200 rpm gave 18.6 KW brake power, the average torque when one cylinder was cut-off was 105 N-m. Evaluate the indicated thermal efficiency if
Equivalen t force System: An equivalent system for the given system of coplanar forces is the combination of force passing through given point and moment about that point. Th
Four Stroke Engine - thermodynamics: Figure given below shows the working of a four stroke engine. During suction stroke only air (in case of diesel engine) or air with petrol
General Construction Procedure Well foundations may be constructed in slipways on barges, or on sand islands. The ones constructed in slipways are launched and towed to their
A space craft ‘A' has velocity 0.9 c relative to the earth. Another spacecraft ‘B' overtakes A with relative velocity 0.5 c. Find the velocity of spacecraft B relative to the groun
a)What are methods used in rating for time study. Illustrate them. b) Write down principles of motion economy.
type the indexing mechanism of jigs and fixture
Find out the maximum deflection in beam: A beam of span 8m is loaded with UDL of 10 kN/m over the middle half portion. Discover the maximum deflection. EI is constant. Sol
Objectives After studying this unit, you should be able to explain various procedures in service and maintenance, and appreciate the importance of the inspections
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