|
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
|
|
MCQs: Which of the following statements is/are true for V-belts?
Category: Mechanical Engineering Questions, Published by: teswesm
|
|
MCQs: A V-belt pulley transmits power to flat belt pulley. If the coefficient of friction is 0.25 then which pulley governs the design? (β = 21° & α = 0.2)
Category: Mechanical Engineering Questions, Published by: teswesm
|
|
MCQs: A V-belt pulley has belt velocity 20 m/s and mass 0.7 kg per meter. If allowable tension in the belt is 600 N then what will be the power transmitting capacity of belt? (Assume μ = 0.5 & θ = 2.5 rad)
Category: Mechanical Engineering Questions, Published by: teswesm
|
|
MCQs: Lang lay ropes offer more resistance to __________
Category: Mechanical Engineering Questions, Published by: teswesm
|
|
MCQs: What does number 6 indicate in the class of wire rope 6 x 37 (18/12/6/1)?
Category: Mechanical Engineering Questions, Published by: teswesm
|
|
MCQs: Which of the following formula is used to calculate oil-film thickness in hydrodynamic bearings?
Category: Mechanical Engineering Questions, Published by: teswesm
|
|
MCQs: In half wave rectifiers, diode conducts during
Category: Electrical Engineering Questions, Published by: teswesm
|
|
MCQs: Specific resistance of a material is
Category: Electrical Engineering Questions, Published by: teswesm
|
|
MCQs: Which among the following is true about ohm’s law?
Category: Electrical Engineering Questions, Published by: teswesm
|
