A. Medium carbon steel
B. High carbon steel
C. Cast iron
D. Wrought iron
Related Mcqs:
- With increasing carbon percent in steel beyond 0.8%, its ultimate tensile strength (UTS) and _____________ is not affected ?
A. Impact strength
B. Percent elongation
C. Hardness
D. Both B & C - A cylindrical rod subjected to a tensile strain within the elastic limit undergoes a volume change. If the volume strain is equal to half the tensile strain, then the Poisson’s ratio of the rod is___________________?
A. 0
B. 0.33
C. 0.44
D. 0.25 - Which of the following is the most suitable abrasive for grinding high tensile strength materials ?
A. Silicon carbide
B. Corundum
C. Aluminium oxide
D. Boron carbide - Ultimate strength in tension as compared to that in shear for steel is____________________?
A. Half
B. One third
C. One and half times
D. One fourth - Which of the following materials has the least scrap value ?
A. Aluminium
B. Stainless steel
C. Brass
D. Copper - Brass parts with high residual tensile stress at the surface are susceptible to season cracking (i.e. spontaneous cracking occuring on exposure to atmospheric corrosion), if its zinc percentage is more than ?
A. 5
B. 10
C. 20
D. 35 - Factor of safety in machine design is defined as the ratio of ultimate stress to _____________ stress ?
A. Working
B. Bearing
C. Yield
D. None of these - In case of compression of one kg of air, the work done will be the least, when the value of polytropic index ‘n’ is______________________?
A. 1
B. 1.4
C. 1.5
D. Y = Cp/Cv - Out of the following, the joint produced by ______________ has the lowest strength?
A. Soldering
B. Welding
C. Brazing
D. Riveting - Out of the following, the ________________ pipe has the least corrosion resistance?
A. Mild steel
B. Copper
C. Cast iron
D. Wrought iron
