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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 meter/min is to be attained in 10 seconds.
A multi -disk clutch consists of steel and bronze plates. It transmits 15 KW at 1400 r.p.m. The outer and inner diameters of contacting surface are 100 mm and 200 mm respectively. The coefficient of friction is 0.15 and the permissible intensity of pressure is 0.5N/mm2. Determine the number of steel and bronze disks, simplify the theory used.
A mechanical System (two degrees of freedom system) is represented by the following two differential equations: m1x"1+(k1+k2)x1-k2x2=0 m2x"2-k1x1+(k2+k3) x2=0 Given m1=m2=0.5kg, k
Kineti c (Dynamic) Friction: When applied force exceeds limiting friction the body starts moving over the other body and the friction of resistance experienced by the body a
Parts of Aircraft The main parts of an aircraft are (Figure): (a) Engine, which propels the aircraft; the aircraft may have jet engines or propeller driving engines. (b
shear force bending moment diagram
Flow through pipes in series and parallel
Determine the value of the maximum shear stress: A circular beam of 100 mm diameter is subjected to a shear force of 5 kN. Determine the value of the maximum shear stress & al
In the drawing, the weight of the block on the table is 380 N and that of the hanging block is 215 N. Ignore all frictional effects, and assuming the pulley to be massless.
what are the significance and scope of operations research
Types of couple: Explain about different types of couple? Sol.: There are mainly two types of couples: 1 . Clockwise Couple A couple whose tendency
CO 2 WELDING CO 2 welding is one of the variations of t he GMAW (Gas Met al Arc Welding) process which is now used for welding most structural and alloy steels. The operating
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