Machine Design MCQs

Welcome to our comprehensive collection of Multiple Choice Questions (MCQs) on Machine Design, a fundamental topic in the field of Mechanical Engineering. Whether you're preparing for competitive exams, honing your problem-solving skills, or simply looking to enhance your abilities in this field, our Machine Design MCQs are designed to help you grasp the core concepts and excel in solving problems.

In this section, you'll find a wide range of Machine Design mcq questions that explore various aspects of Machine Design problems. Each MCQ is crafted to challenge your understanding of Machine Design principles, enabling you to refine your problem-solving techniques. Whether you're a student aiming to ace Mechanical Engineering tests, a job seeker preparing for interviews, or someone simply interested in sharpening their skills, our Machine Design MCQs are your pathway to success in mastering this essential Mechanical Engineering topic.

Note: Each of the following question comes with multiple answer choices. Select the most appropriate option and test your understanding of Machine Design. You can click on an option to test your knowledge before viewing the solution for a MCQ. Happy learning!

So, are you ready to put your Machine Design knowledge to the test? Let's get started with our carefully curated MCQs!

Machine Design MCQs | Page 14 of 56

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Q131.
In designing a key, it is assumed that the distribution of forces along the length of key
Discuss
Answer: (b).is uniform throughout
Q132.
In a belt drive, the velocity ratio is the inverse ratio of the diameters of driving and driven pulleys.
Discuss
Answer: (a).True
Q133.
In order to have a connecting rod equally strong in buckling about X-axis and Y-axis, the moment of inertia about X-axis should be __________ the moment of inertia about Y-axis.
Discuss
Answer: (d).four times
Q134.
The bearing characteristic number in a hydrodynamic bearing depends upon
Discuss
Answer: (d).viscosity, speed and bearing pressure
Discuss
Answer: (a).a thinner nut is tightened down over a thicker or main nut and the main nut is tightened against the thinner nut by loosening
Q136.
The difference between the upper limit and lower limit of a dimension is called
Discuss
Answer: (d).tolerance
Q137.
The algebraic difference between the actual size and the corresponding basic size is called actual deviation.
Discuss
Answer: (a).Agree
Q138.
The stiffness of a closely coiled helical spring subjected to an axial load W is equal to (where G = Modulus of rigidity, and n = Number of active coils)
Discuss
Answer: (a).Gdโด/ 8D3n
Q139.
The average shear stress in the hollow shaft is smaller than the average shear stress in the solid shaft.
Discuss
Answer: (a).True
Q140.
The diameter of knuckle pin in a knuckle joint is usually taken as (where d = Diameter of the rod)
Discuss
Answer: (c).d