Question 1

In case of balancing problems pertaining to locomotives, the resultant unbalanced force is minimum when

Accepted Answer

A) Half of the reciprocating masses are balanced by rotating masses 
B) 1/2 of the reciprocating mass are balanced by equivalent rotating mass 
C) More than half of the reciprocating masses are balanced by rotating masses 
D) Reciprocating masses are balanced half by equivalent opposite reciprocating masses and the balance by rotating masses 
E) None of the above 
A) Half of the reciprocating masses are balanced by rotating masses 
B) 1/2 of the reciprocating mass are balanced by equivalent rotating mass 
C) More than half of the reciprocating masses are balanced by rotating masses 
D) Reciprocating masses are balanced half by equivalent opposite reciprocating masses and the balance by rotating masses 
E) None of the above

Question 2

Which of the following is a centrifugal type governor?

Accepted Answer

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

Question 3

A governor is said to be stable when

Accepted Answer

A) There is one radius of the governor weights for each equilibrium speed 
B) There is minimum change of the radius of the governor weights at a operating speed 
C) The position of balls does not change within the operating speed 
D) The position of balls changes within permissible limits within the working range of a governor 
E) None of the above 
A) There is one radius of the governor weights for each equilibrium speed 
B) There is minimum change of the radius of the governor weights at a operating speed 
C) The position of balls does not change within the operating speed 
D) The position of balls changes within permissible limits within the working range of a governor 
E) None of the above

Question 4

Can simple band brake be made self-energising type

Accepted Answer

A) No 
B) Yes, but with require several modifications 
C) Will not be economical 
D) Yes 
E) Yes, but with few limitations 
A) No 
B) Yes, but with require several modifications 
C) Will not be economical 
D) Yes 
E) Yes, but with few limitations

Question 5

A V belt designated as C 3048/120 will have

Accepted Answer

A) Approximately 120 inch inside length 
B) Approximately 120 cm inside length 
C) C section, length unspecified 
D) Width 120 mm 
E) None of the above 
A) Approximately 120 inch inside length 
B) Approximately 120 cm inside length 
C) C section, length unspecified 
D) Width 120 mm 
E) None of the above

In case of balancing problems pertaining to locomotives, the resultant unbalanced force is minimum when

Which of the following is a centrifugal type governor?

A governor is said to be stable when

Can simple band brake be made self-energising type

A V belt designated as C 3048/120 will have

Mechanical Engineering Concepts

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

Mechanical Engineering: Gears, Linkages

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Exam 2: Mechanical Engineering Shafts, Belts, Gears, and Governors

In case of balancing problems pertaining to locomotives, the resultant unbalanced force is minimum when

Which of the following is a centrifugal type governor?

A governor is said to be stable when

Can simple band brake be made self-energising type

A V belt designated as C 3048/120 will have

Mechanical Engineering Concepts

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

Mechanical Engineering: Gears, Linkages

Filters