Design of Machine Elements


Q.  Which gear is used if the axes of two shafts are neither intersecting nor parallel?

a. Hypoid gears
b. Worm gears
c. Both a and b
d. None of the above


ANSWER: See Answer
 
No explanation is available for this question!
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
MCQs:  A deep groove ball bearing rotating at 1200 r.p.m. is subjected to radial and an axial force of 2000 N and 1500 N respectively. What will be the basic dynamic capacity of bearing if 20,000 hours is the rating life? (Consider radial factor = 0.55, Thrust factor = 2 & application factor = 1.5?
Category: Mechanical Engineering Questions,   Published by: teswesm
MCQs:  Load acting on bearing in its plane of rotation is called as __________
Category: Mechanical Engineering Questions,   Published by: teswesm
MCQs:  Which of the following elements is not used as a roller in roller bearings?
Category: Mechanical Engineering Questions,   Published by: teswesm
MCQs:  Which of the following bearings carry thrust load in one direction?
Category: Mechanical Engineering Questions,   Published by: teswesm
MCQs:  A cylindrical roller bearing is subjected to radial force of 4500 N and application factor 1.3. What is the equivalent dynamic load acting on bearing if it has 90% reliability with desired life of 10000 hrs?
Category: Mechanical Engineering Questions,   Published by: teswesm
MCQs:  A worm gear pair has 2 starts on worm thread, 11.2 as diametral quotient, 2 as module and 38 number of teeth on worm gear. How is the gear pair designated with these specifications?
Category: Mechanical Engineering Questions,   Published by: teswesm
MCQs:  What is the shortest distance between worm gear and axes of the worm for a worm gear pair designated as 2/40/10/8?
Category: Mechanical Engineering Questions,   Published by: teswesm
MCQs:  If pressure angle is 22° and coefficient of friction is 0.05. What is the axial force acting on the worm gear designated as 1/40/10/5, if tangential force of 1200 N acts on it?
Category: Mechanical Engineering Questions,   Published by: teswesm