Two steels are being considered for manufacture of as-forged connecting rods subjected tobending loads. One is AISI 4340 Cr-Mo-Ni steel capable of being heat-treated to a tensilestrength of 260 kpsi. The other is a plain carbon steel AISI 1040 with an attainable Sut of113 kpsi. Each rod is to have a size giving an equivalent diameter de of 0.75 in. Determinethe endurance limit for each material. Is there any advantage to using the alloy steel for thisfatigue application?

Line joining liquid phase with liquid and solid phase mixture is known as: a) liquidus b) solidus c) tie line d) none of the mentioned

The temperature of air decreases as it is compressed by an adiabatic compressor. a)- true b)- false

Afour cylinder four-stroke in-line engine has a stroke of 160mm, connecting rod length of 150mm, a reciprocating mass of 3kg and its firing order is 1-3-4-2. the spacing between cylinders is 100mm. i. show that the engine is in balance with regard to the primary inertia forces and primary 3. a and secondary inertia couples. li determine the out of balance secondary inertia force ii. propose ways of balancing this out of balance force and discuss the challenges that will arise