Question 1

The purpose of differential in locmomtive is served by

Accepted Answer

A) Shape of rails 
B) Taper on wheels 
C) Taper on rails 
D) Track contour 
E) Track curvature 
A) Shape of rails 
B) Taper on wheels 
C) Taper on rails 
D) Track contour 
E) Track curvature B

Question 2

The swaying couple in a locomotive is due to

Accepted Answer

A) unbalanced primary forces 
B) unbalanced secondary forces 
C) partial balancing 
D) None of the above 
E) None of the above 
A) unbalanced primary forces 
B) unbalanced secondary forces 
C) partial balancing 
D) None of the above 
E) None of the above C

Question 3

The key generally used in wrist watches is

Accepted Answer

A) Saddle key 
B) Sunk key 
C) Wood ruff key 
D) Tangent key 
E) None of the above 
A) Saddle key 
B) Sunk key 
C) Wood ruff key 
D) Tangent key 
E) None of the above A

Question 4

The locus of a point one the circumference of a circle which rolls without slipping on a fixed straight line, is known as

Accepted Answer

A) Involute 
B) Epicycloid 
C) Cycloid 
D) Hypocycloid 
E) None of the above 
A) Involute 
B) Epicycloid 
C) Cycloid 
D) Hypocycloid 
E) None of the above

Question 5

Radial distance from the top to the pitch circle for a tooth is known as

Accepted Answer

A) working depth 
B) dedendum 
C) addendum 
D) None of the above 
E) None of the above 
A) working depth 
B) dedendum 
C) addendum 
D) None of the above 
E) None of the above

Question 6

A point on a link connecting double slider crank chain will trace a (an)

Accepted Answer

A) Straight line 
B) Parabola 
C) Ellipse 
D) Hyperbola 
E) Circle 
A) Straight line 
B) Parabola 
C) Ellipse 
D) Hyperbola 
E) Circle

Question 7

Which one of the following is not applicable to involute profile

Accepted Answer

A) The angular velocity ratio when tow involutes are in mesh, is inversely proportional to the size of the base circles 
B) No involute has a pressure angle until it is brought in contact with other mating involute 
C) Involute is the only tooth form that is not sensitive to centre distance of their base circles 
D) The shape of the involute profile is dependent only on the dimensions of the base circle 
E) The pitch diameters of mating involutes are inversely proportional to their base circle diameters 
A) The angular velocity ratio when tow involutes are in mesh, is inversely proportional to the size of the base circles 
B) No involute has a pressure angle until it is brought in contact with other mating involute 
C) Involute is the only tooth form that is not sensitive to centre distance of their base circles 
D) The shape of the involute profile is dependent only on the dimensions of the base circle 
E) The pitch diameters of mating involutes are inversely proportional to their base circle diameters

Question 8

The normal at any point of a involute is

Accepted Answer

A) Also normal to that circle 
B) Tangent to the circle 
C) Is inclined to the normal to the circle at an angle equal to pressure angle 
D) Is inclined to the tangent to the circle at an angle equal to the pressure angle 
E) None of the above 
A) Also normal to that circle 
B) Tangent to the circle 
C) Is inclined to the normal to the circle at an angle equal to pressure angle 
D) Is inclined to the tangent to the circle at an angle equal to the pressure angle 
E) None of the above

Question 9

Which one of the following is not a spring controlled governor?

Accepted Answer

A) Porter governor 
B) Hartnell governor 
C) Pickering governor 
D) None of the above 
E) None of the above 
A) Porter governor 
B) Hartnell governor 
C) Pickering governor 
D) None of the above 
E) None of the above

Question 10

In a pin jointed mechanism, the line of thrust on a link is

Accepted Answer

A) tangential to the friction circles at the ends 
B) along the friction axis 
C) inclined to axis of link by an angle ?, known as angle of friction 
D) All the above 
E) None of the above 
A) tangential to the friction circles at the ends 
B) along the friction axis 
C) inclined to axis of link by an angle ?, known as angle of friction 
D) All the above 
E) None of the above

Question 11

The prime circle of a cam is

Accepted Answer

A) The smallest circle drawn to the pitch curve from the centre of rotation of curve 
B) The smallest circle drawn to the cam profile from the centre of rotation of a radial cam 
C) The circle with centre as the centre of cam axis and radius such that it passes through the pitch point 
D) The circle fitting in cam profile 
E) None of the above 
A) The smallest circle drawn to the pitch curve from the centre of rotation of curve 
B) The smallest circle drawn to the cam profile from the centre of rotation of a radial cam 
C) The circle with centre as the centre of cam axis and radius such that it passes through the pitch point 
D) The circle fitting in cam profile 
E) None of the above

Question 12

In case of involute the angular velocity ratio is

Accepted Answer

A) Directly proportional to radius of base circle from which the involute was generated 
B) Inversely proportional to radius of base circle from which the involute was generated 
C) Directly proportional to the distance of the chord over which thread is unwound 
D) Inversely proportional to the distance of the chord over which thread is wound 
E) None of the above 
A) Directly proportional to radius of base circle from which the involute was generated 
B) Inversely proportional to radius of base circle from which the involute was generated 
C) Directly proportional to the distance of the chord over which thread is unwound 
D) Inversely proportional to the distance of the chord over which thread is wound 
E) None of the above

Question 13

The differential gear in the automobiles is used to

Accepted Answer

A) Provide balancing 
B) Assist in changing speed 
C) Help in turning 
D) Provide jerk free movement of vehicle 
E) Reduce speed 
A) Provide balancing 
B) Assist in changing speed 
C) Help in turning 
D) Provide jerk free movement of vehicle 
E) Reduce speed

Question 14

The number of links in Paucellier mechanism is

Accepted Answer

A) 4 
B) 5 
C) 6 
D) 8 
E) None of the above 
A) 4 
B) 5 
C) 6 
D) 8 
E) None of the above

Question 15

The abbreviation P.I.V. drive system stands for

Accepted Answer

A) Purely Integral Variance 
B) Positive Infinitely Variable 
C) Periodic Ideal Vibrationless 
D) Polar Inertia Vee belt 
E) Perfectly Induced Velocities 
A) Purely Integral Variance 
B) Positive Infinitely Variable 
C) Periodic Ideal Vibrationless 
D) Polar Inertia Vee belt 
E) Perfectly Induced Velocities

Question 16

The Biflar susperision method is used to determine

Accepted Answer

A) Position of balancing weights 
B) Centripetal acceleration 
C) Natural frequency of vibration 
D) Moment of inertia 
E) None of the above 
A) Position of balancing weights 
B) Centripetal acceleration 
C) Natural frequency of vibration 
D) Moment of inertia 
E) None of the above

Question 17

The type of teeth used on a gear used in sugar crushing is

Accepted Answer

A) Hyperboild 
B) Semi-epicycloidal 
C) Involute 
D) Cycloidal 
E) Epicycloidal 
A) Hyperboild 
B) Semi-epicycloidal 
C) Involute 
D) Cycloidal 
E) Epicycloidal

Question 18

In a radial cam with a roller on follwer the prime circle can be defined as

Accepted Answer

A) the smallest circle tangent to the pitch curve 
B) the smallest circle tangent to the cam profile 
C) a circle drawn with radius equal to the distance between the pitch point and the centre of base circle 
D) None of the above 
E) None of the above 
A) the smallest circle tangent to the pitch curve 
B) the smallest circle tangent to the cam profile 
C) a circle drawn with radius equal to the distance between the pitch point and the centre of base circle 
D) None of the above 
E) None of the above

Question 19

In the gear box of an automobile, which gear train is used?

Accepted Answer

A) Simple gear train 
B) Compound gear train 
C) Epicyclic gear train 
D) None of the above 
E) None of the above 
A) Simple gear train 
B) Compound gear train 
C) Epicyclic gear train 
D) None of the above 
E) None of the above

Question 20

A Scott-Russel mechanism consists of

Accepted Answer

A) Turning and rotary pairs 
B) Turning pair only 
C) Sliding and turning pairs 
D) Sliding and rotary pairs 
E) Rotary pair only 
A) Turning and rotary pairs 
B) Turning pair only 
C) Sliding and turning pairs 
D) Sliding and rotary pairs 
E) Rotary pair only

The purpose of differential in locmomtive is served by

The swaying couple in a locomotive is due to

The key generally used in wrist watches is

The locus of a point one the circumference of a circle which rolls without slipping on a fixed straight line, is known as

Radial distance from the top to the pitch circle for a tooth is known as

A point on a link connecting double slider crank chain will trace a (an)

Which one of the following is not applicable to involute profile

The normal at any point of a involute is

Which one of the following is not a spring controlled governor?

In a pin jointed mechanism, the line of thrust on a link is

The prime circle of a cam is

In case of involute the angular velocity ratio is

The differential gear in the automobiles is used to

The number of links in Paucellier mechanism is

The abbreviation P.I.V. drive system stands for

The Biflar susperision method is used to determine

The type of teeth used on a gear used in sugar crushing is

In a radial cam with a roller on follwer the prime circle can be defined as

In the gear box of an automobile, which gear train is used?

A Scott-Russel mechanism consists of

Mechanical Engineering Concepts

Mechanical Engineering Shafts, Belts, Gears, and Governors

Mechanical Engineering: Balancing, Cam Profiles, Dynamometers, Pulleys, Gears

Mechanical Engineering: Speed Ratios, Gears, Vibrations, Governors

Mechanical Engineering: V-Belts, Gears, Chains

Mechanisms and Kinematics: Gears, Belts, and Linkages

Mechanical Engineering: Higher Pairs, Kinematic Chains, Vibrating Bodies

Mechanical Engineering: Cam Size, Transmission Losses, Kleins Construction

Mechanical Engineering Gears, Mechanisms, and Drives

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Exam 10: Mechanical Engineering: Gears, Linkages

The purpose of differential in locmomtive is served by

The swaying couple in a locomotive is due to

The key generally used in wrist watches is

The locus of a point one the circumference of a circle which rolls without slipping on a fixed straight line, is known as

Radial distance from the top to the pitch circle for a tooth is known as

A point on a link connecting double slider crank chain will trace a (an)

Which one of the following is not applicable to involute profile

The normal at any point of a involute is

Which one of the following is not a spring controlled governor?

In a pin jointed mechanism, the line of thrust on a link is

The prime circle of a cam is

In case of involute the angular velocity ratio is

The differential gear in the automobiles is used to

The number of links in Paucellier mechanism is

The abbreviation P.I.V. drive system stands for

The Biflar susperision method is used to determine

The type of teeth used on a gear used in sugar crushing is

In a radial cam with a roller on follwer the prime circle can be defined as

In the gear box of an automobile, which gear train is used?

A Scott-Russel mechanism consists of

Mechanical Engineering Concepts

Mechanical Engineering Shafts, Belts, Gears, and Governors

Mechanical Engineering: Balancing, Cam Profiles, Dynamometers, Pulleys, Gears

Mechanical Engineering: Speed Ratios, Gears, Vibrations, Governors

Mechanical Engineering: V-Belts, Gears, Chains

Mechanisms and Kinematics: Gears, Belts, and Linkages

Mechanical Engineering: Higher Pairs, Kinematic Chains, Vibrating Bodies

Mechanical Engineering: Cam Size, Transmission Losses, Kleins Construction

Mechanical Engineering Gears, Mechanisms, and Drives

Filters