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Department of Mechanical Engineering
T Mech
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Question 1 : If in a gear train the first wheel is a driver and last wheel is a driven wheel, then train value is defined as the
Option-1 :product of the speeds of the driver and driven wheels
Option-2 :ratio of the sped of the driver wheel to thye speed of the driver wheel
Option-3 :ratio of the speed of the driven wheel to the speed of the driver wheel
Option-4 :products of number of teeth on driver and driven wheels
Question 2 : Train value of a gear train is
Option-1 :equal to the speed ratio
Option-2 :half of the speed ratio
Option-3 :reciprocal of the speed ratio
Option-4 :double the speed ratio
Question 3 : For a spur gear,the circular pitch is equal to the ratio of
Option-1 :no of teeth to pitch circle diameter
Option-2 :pitch circle diameter to no of teeth
Option-3 :circumference of pitch circle to no of pitch
Option-4 :none of the above.
Question 4 : The module (m) is defined as equal to the ratio of
Option-1 :no of teeth to pitch circle diameter
Option-2 :pitch circle diameter to no of teeth
Option-3 :circumference of the pitch circle to no of teeth
Option-4 :none of the above
Question 5 : Choos the correct statement
Option-1 :The gears are termed as high velocity gears if their peripheral velocity lies in the range of 3 to 10 m/sec.
Option-2 :The flank of the tooth is the surface iof the tooth above the pitch surface
Option-3 :the distance measured along the circumference of the pitch circle from a point on one tooth to a corresponding point on the adjacent tooth is knon as circular pitch
Option-4 :the dedendum is the radial distance of the tooth form the pitch circle to the top of tooth.
Question 6 : Diametral pitch is defined as the ratio of
Option-1 :no of teeth to pitch circle diameter
Option-2 :pitch circle diameter to no of teeth
Option-3 :circumference of pitch circle to no of teeth
Option-4 :none of the above
Question 7 : Two parallel and co- planer shafts are connected by gear. This type of gear is called
Option-1 :helical gear
Option-2 :spur gear .
Option-3 :bevel gear
Option-4 :spiral gear .
Question 8 : If the periphereal velocity of the gears are more than 15 m/sec, the gear are known as
Option-1 :low velocity type
Option-2 :medium velocity type
Option-3 :high velocity type
Option-4 :none of the above.
Question 9 : Two interscting and co- planer shafts are connected by gears. This type of gear is called
Option-1 :helical gear
Option-2 :spur gear
Option-3 :bevel gear
Option-4 :spiral gear.
Question 10 : When centrifugal tension (Tc) is considered, the belt is designed for the tension
Option-1 :T1
Option-2 :T1-Tc
Option-3 :T1+Tc
Option-4 :none of the above
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