Skip to main content
Sarkari MCQs Government Exam Question Bank
Menu
Question no. 57644

Compressing a tightly wound helical compression spring places its wire under________________?

Select your answer for: Compressing a tightly wound helical compression spring places its wire under________________?
Show answer

Answer: B. shear

Explanation

Compressing a helical spring twists the wire, subjecting the wire cross-section predominantly to torsional shear stresses.

Subject
Engineering
Topic
—
Difficulty
medium

Related questions

Q1. Set screws are primarily categorized as_________________?

Select your answer for: Set screws are primarily categorized as_________________?
Show answer

Answer: C. used to prevent relative motion be-tween parts

Set screws are specialized threaded fasteners primarily used to prevent relative motion. They screw through a threaded hub to press firmly against a shaft, locking components together. This prevents gears, pulleys, and c...

Q2. What factor is applied to carbon steel's flexure endurance limit to find its shear endurance limit____________?

Select your answer for: What factor is applied to carbon steel's flexure endurance limit to find its shear endurance limit____________?
Show answer

Answer: E. 0.75

The shear endurance limit of carbon steel is derived by scaling its flexure endurance limit value. Empirical testing shows that torsional shear fatigue strength is lower than bending fatigue strength. Multiplying the fle...

Q3. A turnbuckle mechanism incorporates____________________?

Select your answer for: A turnbuckle mechanism incorporates____________________?
Show answer

Answer: C. left hand threads on one end and right hand threads on other end

A turnbuckle is a mechanical device used to adjust tension or length in tie rods and cables easily. It features a central frame body with internal threaded ends matching two opposing tension rods. One end features standa...

Q4. When three varying masses are dropped from identical heights inside a vacuum chamber, their fall times will be______________?

Select your answer for: When three varying masses are dropped from identical heights inside a vacuum chamber, their fall times will be______________?
Show answer

Answer: A. same time to reach earth

In a vacuum chamber where air resistance is absent, all falling objects accelerate equally due to gravity. Galileo demonstrated that gravitational acceleration is independent of mass, causing all bodies to fall at the ex...

Q5. Restoring worn or undersized machine elements that endure cyclic loads via electrodeposition is known as_____________________?

Select your answer for: Restoring worn or undersized machine elements that endure cyclic loads via electrodeposition is known as_____________________?
Show answer

Answer: A. best method

Electrodeposition is widely considered the best method for restoring worn or undersized machine elements. Electroplating deposits a controlled layer of hard metal onto worn cylindrical journal surfaces. When properly con...

Q6. Which among the following options represents a correct assertion?

Select your answer for: Which among the following options represents a correct assertion?
Show answer

Answer: B. a member made of cast iron will generally be. more rigid than a member of equal load carrying ability made of steel

Steel has a higher modulus of elasticity than cast iron, meaning a steel member is more rigid than a cast iron member of equal load capacity.

New!

Mock Test System is now available!

Prepare for your exam with interactive mock tests. Select your subjects, attempt 100 random MCQs against the clock, and see exactly where you stand.

Start Mock Test