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Role-specific Design Engineer Interview Questions & Answers:

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1. Which of the following screw thread is used for power transmission in one direction only.

A. Acme threads
B. Square threads
C. Buttress threads
D. Multiple threads

Option C

2. The resistance to fatigue of a material is measured by

A. elastic limit
B. Young's modulus
C. ultimate tensile strength
D. endurance limit

Option D

3. The pipe joint mostly used for pipes carrying water at low pressures is

A. socket joint
B. nipple joint
C. union joint
D. spigot and socket joint

Option A

4. When a nut is tightened by placing a washer below it, the bolt will be subjected to

A. tensile stress
B. compressive stress
C. shear stress
D. none of these

Option A

5. In unilateral system of tolerance, the tolerance is allowed on

A. one side of the actual size
B. one side of the nominal size
C. both sides of the actual size
D. both sides of the nominal size

Option B

6. The material used for brake lining should have __________ coefficient of friction.

A. low
B. high

Option B

7. A column is known as a long column if the slenderness ratio is

A. 40
B. 50
C. 70
D. 100

Option D

8. In an ordinary bolt, the effect of the impulsive loads applied axially is concentrated on the cross-sectional area at the root of the threads.

A. Yes
B. No

Option A

9. When the bearing is subjected to large fluctuations of load and heavy impacts, the bearing characteristic number should be __________ the bearing modulus.

A. 5 times
B. 10 times
C. 15 times
D. 20 times

Option C

10. Circumferential joint in boilers is used to get the required length of a boiler.

A. True
B. False

Option A

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