M C Q s D r i v e

Mechanical Engineering Mcqs 1919 MCQs [All-Courses]

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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.

Monel metal contains_________________?
A 63 to 67% nickel and 30% copper
B 88% copper and 10% tin and rest zinc
C alloy of tin, lead and cadmium
D malleable iron and zinc
Correct Answer: 63 to 67% nickel and 30% copper
DuraJomin contains___________________?
A 94% aluminium, 4% copper and 0.5% Mn, Mg, Si and Fe
B 92.5% aluminium, 40% copper, 2% nickel, and 1.5% Mg
C 10% aluminium and 90% copper
D 90% magnesium and 9% aluminium with some copper
Correct Answer: 94% aluminium, 4% copper and 0.5% Mn, Mg, Si and Fe
Delta metal is an alloy of__________________?
A copper, zinc and iron
B iron, nickel and copper
C iron, lead and tin
D iron, aluminium and magnesium
Correct Answer: copper, zinc and iron
Which of the following alloys does not contain tin_________________?
A white metal
B solder admiralty
C fusible metal
D phosphor bronze
Correct Answer: white metal
Addition of copper to aluminium results in_____________________?
A improvement of casting characteristics
B improvement of corrosion resistance
C one of the best known age and precipitation-hardening systems
D improving machinability
Correct Answer: one of the best known age and precipitation-hardening systems
Addition of lead and bismuth to aluminium results in_________________?
A improvement of casting characteristics
B improvement of corrosion resistance
C one of the best known age and precipitation-hardening systems
D improving machinability
Correct Answer: improving machinability
Constantant an alloy used in thermocouples is an alloy of __________________?
A copper and tin
B copper and zinc
C copper and iron
D copper and nickel
Correct Answer: copper and nickel
German silver contains_________________?
A 1% silver
B 2.5% silver
C 5% silver
D 10% silver
Correct Answer: 5% silver
Dow metal contains____________________?
A 94% aluminium, 4% copper and 0.5% Mn, Mg, Si and Fe
B 92.5% aluminium and, 4% copper, 2% nickel and 1.5% Mg
C 90% aluminium and 90% copper
D 90% magnesium and 9% aluminium with some copper
Correct Answer: 90% magnesium and 9% aluminium with some copper
Age-hardening is related with______________?
A stainless steel
B gun metal
C german silver
D duralumin
Correct Answer: duralumin