A. flywheel of steam engine
B. cast iron pipes”
C. cycle chains
D. gas turbine blades
E. piston I.C. engine
Related Mcqs:
- In designing air preheater, the important design consideration is that_________________?
A. approach temperature should be as low as possible
B. handling and maintenance should be easier
C. heat transfer area should be optimum
D. stack gases should not be cooled to the dew point
E. none of the above - For similarity, in addition to models being geometrically similar to prototype, the following in both cases should also be equal____________________?
A. ratio of inertial force to force due to viscosity
B. ratio of inertial force to force due to gravitation
C. ratio of inertial force to force due to surface tension
D. all the four ratios of inertial force to force due to viscosity, gravitation, sur-face tension, and elasticity - Mild steel belongs to the following category___________________?
A. low carbon steel
B. medium carbon steel
C. high carbon steel
D. alloy steel
E. special steel - Which of the following element results in presence of free graphite in C.I_________________?
A. carbon
B. sulphur
C. silicon
D. manganese
E. phosphorous - Cupola produces following material__________________?
A. cast iron
B. pig iron
C. wrought iron
D. malleable iron
E. white iron - Which of the following is not the correct method of increasing fatigue limit __________________?
A. shot peening
B. nitriding of surface
C. cold working
D. surface decarburisation
E. under-stressing - Which one of the following metals would work-harden more quickly than the others__________________?
A. copper
B. brass
C. lead
D. silver
E. aluminium - Which of the following is used for bearing liner_______________?
A. gun metal
B. bronze
C. bell metal
D. babbit metal
E. brass - Structural steel contains following principal alloying elements__________________?
A. nickel, chromium and manganese
B. tungsten, molybdenum and phosphorous
C. lead, tin, aluminium
D. zinc, sulphur, and chromium
E. none of the above - Which of the following has highest specific strength of all structural materials__________________?
A. magnesium alloys
B. titanium alloys
C. chromium alloys
D. magnetic steel alloys
E. none of the above
