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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

The weakest section of a diamond riveting is the section which passes through ___________________?
A the first row
B the second row
C the central row
D one rivet hole of the end row
Correct Answer: one rivet hole of the end row
Diamond riveted joint can be adopted in the case of following type of joint _____________________?
A butt joint
B lap joint
C double riveted lap joints
D all types of joints
Correct Answer: butt joint
A riveted joint in which the number otrivets decrease from innermost to outer most row is called__________________?
A chain riveted joint
B diamond riveted joint
C criss-cross riveted joint
D zig-zag riveted joint
Correct Answer: diamond riveted joint
When two plates are butt together and riveted with cover plates with two rows of rivets, the joi;it is known as ___________________?
A lap point
B butt joint
C single riveted single cover butt joint
D double riveted double cover butt joint
Correct Answer: butt joint
The distance between the centres of the rivets in adjacent rows of zig-zag riveted joint is known as ____________________?
A pitch
B back pitch
C diagonal pitch
D diametral pitch
Correct Answer: pitch
In a prismatic member made of two materials so joined that they deform equally under axial stress, the unit stresses in two materials are ?
A equal
B proportional to their respective moduli of elasticity
C inversely proportional to their moduli of elasticity
D average of the sum of moduli of elas-ticity
Correct Answer: proportional to their respective moduli of elasticity
A non-yielding support implies that the_________________?
A support is frictionless
B support can take any amount of reaction
C support holds member firmly
D slope of the beam at the support is zero
Correct Answer: slope of the beam at the support is zero
The strain energy stored in a body due to suddenly applied load compared to when it is applied gradually is____________________?
A same
B twice
C four times
D eight times
Correct Answer: four times
Proof resilience per material is known as________________?
A resilience
B proof resilience
C modulus of resilience
D toughness
Correct Answer: resilience
The maximum strain energy that can be stored in a body is known as________________?
A impact energy
B resilience
C proof resilience
D modulus of resilience
Correct Answer: resilience
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