Strength of Materials Test Questions


Q.  What is the value of shear stress acting on a plane of circular bar which is subjected to axial tensile load of 100 kN? (Diameter of bar = 40 mm , θ = 42.3°)

a. 58.73 Mpa
b. 40.23 Mpa
c. 39.60 Mpa
d. Insufficient data


ANSWER: See Answer
 
No explanation is available for this question!
MCQs:  What is the effect of large diametral quotient on worm and worm wheel?
Category: Mechanical Engineering Questions,   Published by: teswesm
MCQs:  A standard worm gear pair is designated as 4/40/10/8, what does number 10 in it indicate?
Category: Mechanical Engineering Questions,   Published by: teswesm
MCQs:  A worm gear pair is designated as 1/30/10/8. What is the face width of the worm gear?
Category: Mechanical Engineering Questions,   Published by: teswesm
MCQs:  Which of the following belts is used when axes of two shafts are perpendicular and intersecting?
Category: Mechanical Engineering Questions,   Published by: teswesm
MCQs:  Friction ply used in multiple-ply belts is made of ___________
Category: Mechanical Engineering Questions,   Published by: teswesm
MCQs:  Two pulleys of an open belt drive A and B transmit power of 100 kW from pulley A running at 1000 r.p.m to pulley B at 500 r.p.m. If diameter of pulley A is 150 mm and 3% is the slip at operating conditions then what is the diameter of pulley B? (Assume thickness of belt = 12 mm)
Category: Mechanical Engineering Questions,   Published by: teswesm
MCQs:  A flat belt pulley has centre distance between two pulleys as 1000 mm. If diameters of two pulleys are 600 mm and 300 mm, what is the length of belt?
Category: Mechanical Engineering Questions,   Published by: teswesm
MCQs:  What is the shear stress in fluid per unit velocity gradient called as?
Category: Mechanical Engineering Questions,   Published by: teswesm
MCQs:  Which of the following is not a property of lubricants?
Category: Mechanical Engineering Questions,   Published by: teswesm
MCQs:  Mass of ___________ required to neutralize one gram of lubricating oil is called as neutralization number.
Category: Mechanical Engineering Questions,   Published by: teswesm
MCQs:  Which of the following gear tooth failures is/are induced when maximum Hertz contact stress on gear tooth surface exceeds surface endurance strength of tooth?
Category: Mechanical Engineering Questions,   Published by: teswesm
MCQs:  What is Scuffing?
Category: Mechanical Engineering Questions,   Published by: teswesm
MCQs:  Angle made by ________ with axis of rotation is called as helix angle.
Category: Mechanical Engineering Questions,   Published by: teswesm
MCQs:  What is the minimum face width required for a helical gear which has helix angle of 23° and normal module of 7?
Category: Mechanical Engineering Questions,   Published by: teswesm
MCQs:  To avoid interference the minimum number of teeth required on helical pinion decreases as helix angle ________
Category: Mechanical Engineering Questions,   Published by: teswesm
MCQs:  Which of the following statements is/are true?
Category: Mechanical Engineering Questions,   Published by: teswesm
MCQs:  A bevel gear has pitch circle diameters of pinion and gear as 20 mm and 40 mm respectively. What is the face width of bevel gear? (m =module)
Category: Mechanical Engineering Questions,   Published by: teswesm
MCQs:  What is the pitch line velocity if pinion has pitch circle diameter of 35 mm and rotates at 1000 r.p.m transmitting power of 250 kW to the gear?
Category: Mechanical Engineering Questions,   Published by: teswesm
MCQs:  A bevel gear made of steel pinion and steel gear has dynamic factor C equal to __________
Category: Mechanical Engineering Questions,   Published by: teswesm
MCQs:  A straight bevel gear is manufactured by cutting process and maximum tangential force of 12000 N acts on it. What is the effective load acting between meshing teeth if pitch line velocity is 130 m/s?
Category: Mechanical Engineering Questions,   Published by: teswesm