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Mechanical Engineering Mcqs 1919 MCQs [All-Courses]

Mechanical Engineering MCQs prepared for job test and interview preparation, especially for fresh graduates, students, and candidates appearing in competitive exams. These multiple-choice questions cover key topics such as Machine Design, Theory of Machines, Hydraulic Machines, and other important mechanical engineering concepts.

Pipes for bicycle frames are made of___________________?

A cold rolled steel

B hot rolled steel

C forged steel

D cast steel

Review Detailed Answer

Correct Answer: cold rolled steel

Heavy duty leaf and coil spring* contain carbon of the following order ________________?

A 0.2%

B 0.5%

C 0.8%

D 1.0%

Review Detailed Answer

Correct Answer: 1.0%

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%

Review Detailed Answer

Correct Answer: 0.6 to 0.7%

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

Review Detailed Answer

Correct Answer: along the lines of slag distribution

Preheating is essential in welding ___________________?

A cast iron

B high speed steel

C all non-ferrous materials

D all of the above

Review Detailed Answer

Correct Answer: cast iron

Balls for ball bearings are made of_________________?

A cast iron

B mild steel

C stainless steel

D carbon-chrome steel

Review Detailed Answer

Correct Answer: carbon-chrome steel

Taps, dies and drills contain carbon________________?

A below 0.5%

B below 1%

C above 1%

D above 2.2%

Review Detailed Answer

Correct Answer: above 1%

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%

Review Detailed Answer

Correct Answer: 0.45 to 0.55%

Cold rolled steel sheets contain carbon of the following order___________________?

A 0.1%

B 0.2%

C 0.4%

D 0.6%

Review Detailed Answer

Correct Answer: 0.1%

Which of the following element results in presence of free graphite in C.I_________________?

A carbon

B sulphur

C silicon

D manganese

Review Detailed Answer

Correct Answer: silicon

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Mechanical Engineering Mcqs 1919 MCQs [All-Courses]

All Topics 1919

All Topics 1919

Pipes for bicycle frames are made of___________________?

Heavy duty leaf and coil spring* contain carbon of the following order ________________?

Drop forging dies contain carbon of the order of_________________?

The tensile strength of wrought iron is maximum _________________?

Preheating is essential in welding ___________________?

Balls for ball bearings are made of_________________?

Taps, dies and drills contain carbon________________?

Large forgings, crank shafts, axles normally contain carbon up to________________?

Cold rolled steel sheets contain carbon of the following order___________________?

Which of the following element results in presence of free graphite in C.I_________________?