GAT Subject
Engineering
Computer Science Civil Engineering Chemical Engineering Agricultural Engineering Mechanical Engineering Electronics and Communication
6. | Which of the following has the least carbon percentage ? | ||
A. | Low carbon steel | ||
B. | Mild steel | ||
C. | Wrought iron | ||
D. | White cast iron | ||
7. | Locomotive boiler tubes are made of ______ alloys? | ||
A. | Arsenic copper | ||
B. | Magnesium | ||
C. | Aluminium | ||
D. | Nickel | ||
8. | Wood is corroded by____? | ||
A. | Hydrochloric acid | ||
B. | SO2 (dry or wet) | ||
C. | Chlorine (dry or wet) | ||
D. | All of above | ||
9. | Pipes for bi-cycle frames are made of ___ steel? | ||
A. | Hot rolled | ||
B. | Chrome carbon | ||
C. | Cold rolled | ||
D. | Stainless | ||
10. | Fatigue strength of a material increases by__? | ||
A. | Having notches in the specimen | ||
B. | Rise in temperature | ||
C. | Under stressing the specimen | ||
D. | Having scratches on the surface | ||