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Define the term Engineering Mechanics
Sol.: Engineering mechanics is the branch of science, which deals the action of forces on the rigid bodies. Everywhere we feel application of Mechanics, like in railway station, where we seen railway bridge, A car moving on road, or simply we are running on road. Everywhere we saw application of mechanics.
(a) An engine uses 6.5 Kg of oil per hr of a calorific value 30,000 kJ / kg. If the B. P. of the engine is 22KW and mechanical efficiency 85%. Calculate (i) Brake thermal eff
Q. Handling tools and equipment for skid? Lifting or pulling and provisions for transportation of skid shall be in accordance with GS-904-0103, other relevant parts of contract
Stress relaxation is creep related phenomenon: Problem: What is stress relaxation? Give example. Solution Stress relaxation is creep related phenomenon. It is los
The 300 kg, 8-m-wide rectangular gate shown in the figure is hinged at B and leans against the floor at A making an angle of 60° with the horizontal. The gate is to be open from it
Illustrate Newton's law of viscosity. Explain the importance of viscosity in fluid motion. Describe the effects of temperature on viscosity of water and that of air? Discuss hyd
Friction is Desirable: A friction is much desirable to stop the body from its moving condition. If there is no friction between contact surfaces, then the body cannot be st
Method of section: Define the method of section? How can you solve the problems with the help of method of section? Sol.: This method is powerful method for determining
how did the formula derived smax = Ed1 a ?T/d 2
Two kg Ammonia (mA) at PA = 300 kPa and TA = -10ºC and 1 kg Ammonia (mB) at PB = 300 kPa and TB = 100ºC are mixed in a constant pressure and adiabatic process. Find the following:
a) Define various types of chips and factors responsible for their formation with diagram b) Describe cutting ratio, shear plane and shear angle. c) Sketch Merchant circle di
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