Mechanical Engineering MCQs

2075 MCQs  (Page 183 of 208)

Attempt Mechanical Engineering Mcqs Quiz
Heavy duty leaf and coil spring* contain carbon of the following order ________________?
A. 0.2%
B. 0.5%
C. 0.8%
D. 1.0%
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Drop forging dies contain carbon of the order of_________________?
A. 0.1 to 0.2%
B. 0.25 to 0.5%
C. 0.6 to 0.7%
D. 0.7 to 0.9%
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Preheating is essential in welding ___________________?
A. Cast iron
B. High speed steel
C. All non-ferrous materials
D. All of the above
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The tensile strength of wrought iron is maximum _________________?
A. Along the lines of slag distribution
B. Perpendicular to lines of slag distribution
C. Uniform in all directions
D. Unpredictable
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Which is the false statement about wrought iron. It has________________?
A. high resistance to rusting and corrosion
B. high ductility
C. ability of hold protective coating
D. easily weldable characteristics
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Balls for ball bearings are made of_________________?
A. Cast iron
B. Mild steel
C. Stainless steel
D. Carbon-chrome steel
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Taps, dies and drills contain carbon________________?
A. Below 0.5%
B. Below 1%
C. Above 1%
D. Above 2.2%
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Cold rolled steel sheets contain carbon of the following order___________________?
A. 0.1%
B. 0.2%
C. 0.4%
D. 0.6%
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Large forgings, crank shafts, axles normally contain carbon up to________________?
A. 0.05 to 0.20%
B. 0.20 to 0.45%
C. 0.45 to 0.55%
D. 0.55 to 1.0%
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Which of the following element results in presence of free graphite in C.I_________________?
A. Carbon
B. Sulphur
C. Silicon
D. Manganese
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Word of the Day
27 Sep
Undesirable
not wanted or desirable because harmful, objectionable, or unpleasant.
غیر مطلوب، ناروا، نامناسب

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