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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.

All Topics  1919

Which of the following statement is wrong ?
A The mortise gauge has two scribing pins
B The gouges are chisels with a hollow shaped blade
C An auger is a planning tool
D all of these
Correct Answer: An auger is a planning tool
The operation of straightening a curved sheet metal, is known as____________________?
A squeezing
B coining
C planishing
D drawing
Correct Answer: planishing
Tandem drawing of wires and tubes is necessary because_________________?
A accuracy in dimensions is not possible otherwise
B surface finish improves after every drawing stage
C it is not possible to reduce at one stage
D annealing is needed between stages
Correct Answer: annealing is needed between stages
The shrinkage allowance for cast iron pattern is________________?
A 15 mm/m
B 20 mm/m
C 26 mm/m
D 10 mm/m
Correct Answer: 10 mm/m
In spot welding, the spacing between two spot weld should not be less than _______________?
A d
B 1.5d
C 3d
D 6d
Correct Answer: d
Lancing is the operation of _________________?
A cutting a sheet of metal through part of its length and then bending the cut portion
B removal of metal to the desired shape from the edge of a plate
C cutting a sheet of metal in a straight line along the length
D bending a sheet of metal along a curved axis
Correct Answer: cutting a sheet of metal through part of its length and then bending the cut portion
The cold working of metals is carried out_________________?
A below the recrystallisation temperature
B at the recrystallisation temperature
C at any temperature
D above the recrystallisation temperature
Correct Answer: below the recrystallisation temperature
A neutral flame is obtained by supplying___________________?
A more volume of acetylene and less volume of oxygen
B equal volumes of oxygen and acetylene
C more volume of oxygen and less volume of acetylene
D none of the above
Correct Answer: equal volumes of oxygen and acetylene
In a _____________ , both cutting and non-cutting operations are performed at one station of the press in every stroke of the ram?
A progressive die
B simple die
C compound die
D combination die
Correct Answer: combination die
A file removes the metal during___________________?
A both forward and return strokes
B forward stroke
C return stroke
D none of these
Correct Answer: forward stroke
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