Common Design Engineer Interview Preparation Guide Download PDF
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:
Table of Contents: The sleeve or muff coupling is designated as a_________? 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 The resistance to fatigue of a material is measured by
A. elastic limit
B. Young's modulus
C. ultimate tensile strength
D. endurance limit 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 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 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 The material used for brake lining should have __________ coefficient of friction.
A. low
B. high A column is known as a long column if the slenderness ratio is
A. 40
B. 50
C. 70
D. 100 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 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 Circumferential joint in boilers is used to get the required length of a boiler.
A. True
B. False A locking device extensively used in marine type connecting rod ends is a
A. jam nut
B. castle nut
C. sawn nut
D. ring nut Soderberg relation is based on __________ of the material whereas all other failure relation for dynamic loading are based on ultimate strength of the material.
A. elastic strength
B. yield strength
C. shear strength A transmission shaft includes
A. counter shaft
B. line shaft
C. over head shaft
D. all of these A steel containing more than 0.8% carbon is known as eutectoid steel.
A. Yes
B. No The radial distance of a tooth from the pitch circle to the top of the tooth is called
A. dedendum
B. addendum
C. clearance
D. working depth The difference between the tooth space and the tooth thickness as measured on the pitch circle, is called
A. working depth
B. clearance
C. face width
D. backlash The load cup of a screw jack is made separate from the head of the spindle to
A. enhance the load carrying capacity of the jack
B. reduce the effort needed for lifting the working load
C. prevent the rotation of load being lifted
D. reduce the value of frictional torque A screw is said to be over hauling screw, if its efficiency is
A. less than 50%
B. more than 50%
C. equal to 50%
D. none of these When screw threads are to be used in a situation where power is being transmitted in one direction only, then the screw threads suitable for this will be
A. square threads
B. acme threads
C. knuckle threads
D. buttress threads A sliding bearing which operates without any lubricant present, is called
A. zero film bearing
B. boundary lubricated bearing
C. hydrodynamic lubricated bearing
D. hydrostatic lubricated bearing The backlash for spur gears depends upon
A. module
B. pitch line velocity
C. tooth profile
D. both (a) and (b) In second type of levers,
A. load is in between the fulcrum and effort
B. effort is in between the fulcrum and load
C. fulcrum is in between the load and effort
D. none of these The square threads are not so strong as V-threads but they offer less frictional resistance to motion than Whitworth threads.
A. Correct
B. Incorrect In a gear, having involute teeth, the normal to the involute is a tangent to the
A. pitch circle
B. base circle
C. addendum circle
D. dedendum circle Common Design Engineer Job Interview Questions and Answers
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69 Design Engineer Interview Questions and Answers