A. cast iron
B. wrought iron
C. mild steel
D. high carbon steel
Related Mcqs:
- Assertion A : Paints with white lead base are not recommended for painting of iron works. Reason R : Paints with white lead base do not check rusting of iron. Select your answer according to the coding system given below ?
A. Both A and R are true and, R is the correct explanation of A
B. Both A and R are true but R is not the correct explanation of A
C. A is true but R is false
D. A is false but R is true - Compared to mild steel, cast iron has (1) high compressive strength (2) high tensile strength (3) low compressive strength (4) low tensile strength The correct answer is_________________?
A. (1) and (2)
B. (2) and (3)
C. (3) and (4)
D. (1)and(4) - Which of the following is a mineral ?
A. basalt
B. granite
C. quartz
D. syenite - Which of the following is a rock ?
A. quartz
B. mica
C. gypsum
D. none of the above - Which of the following metamorphic rocks has the most weather resisting characteristics ?
A. marble
B. quartzite
C. slate
D. lime stone - In which of the following pairs both trees yield soft wood ?
A. deodar and shishum
B. chir and sal
C. sal and teak
D. chir and deodar - In which of the following directions, the strength of timber is maximum ?
A. parallel to grains
B. 45° to grains
C. perpendicular to grains
D. same in all directions - Which of the following ingredients of the brick earth enables the brick to retain its shape ?
A. alumina
B. silica
C. iron
D. magnesia - Which of the following cements is suitable for use in massive concrete structures such as large dams ?
A. ordinary Portland cement
B. low heat cement
C. rapid hardening cement
D. sulphate resisting cement - Which of the following stresses is used for identifying the quality of structural steel ?
A. ultimate stress
B. yield stress
C. proof stress
D. none of the above