Design Engineer Interview Preparation Guide

Design Engineer related Frequently Asked Questions by expert members with experience in Designing Engineer. These questions and answers will help you strengthen your technical skills, prepare for the new job test and quickly revise the concepts

69 Design Engineer Questions and Answers:

1 :: The sleeve or muff coupling is designed as a

A. dun cylinder
B. thick cylinder
C. solid shaft
D. hollow shaft

D. hollow shaft

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2 :: When bevel gears connect two shafts whose axes intersect at an angle greater than a right angle and one of the bevel gears has a pitch angle of 90°, then they are known as

A. angular bevel gears
B. crown bevel gears
C. internal bevel gears
D. mitre gears

Option B

3 :: Screws used for power transmission should have

A. Low efficiency
B. high efficiency
C. very fine threads
D. strong teeth

Option B

4 :: The number of rivets in shear shall be equal to the number of rivets in crushing.

A. Correct B. Incorrect

Option A

5 :: A sliding bearing in which the working surfaces are completely separated from each other by lubricant is called zero film bearing.

A. True B. False

Option B

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6 :: Which of the following statement is wrong ?

A. The power transmitted by V-belts is less than flat belts for the same coefficient of friction, arc of contact and allowable tension in the belts
B. The V-belt drive is used with large centre distance
C. The V-belt may be operated in either direction with tight side of the belt at the top or bottom
D. The ratio of driving tensions in V-belt drive is more than flat belt drives

Option B

7 :: Slenderness ratio is the ratio of

A. maximum size of column to minimum size of column
B. width of column to depth of column
C. effective length of column to least radius of gyration of the column
D. effective length of column to width of column

Option C

8 :: In order to avoid tearing of the plate at an edge, the distance from the centre line of the rivet hole to the nearest edge of the plate should be equal to (where d = Diameter of rivet hole)

A. d
B. 1.5 d
C. 2 d
D. 2.5 d

Option B

9 :: According to Guest's theory, the failure occurs at a point in a member when the maximum shear stress in a bi-axial stress system reaches the shear stress at elastic limit in simple tension test.

A. True
B. False

Option A

10 :: In a flange coupling, the thickness of flanges is taken as one-half the diameter of shaft.

A. Agree
B. Disagree

Option A

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