Mechanical Engineering Quiz - Set 14

Quiz Questions

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01. The mechanical draught produces more draught than natural draught.

     (A) True

     (B) False

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02. A sliding pair has a completely constrained motion.

     (A) Yes

     (B) No

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03. The radial distance from the top of a tooth to the bottom of a tooth is called clearance

     (A) True

     (B) False

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04. The planes, which carry no shear stress, are known as principal planes.

     (A) True

     (B) False

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05. A file with 50-60 teeth in 25 mm is called bastard file.

     (A) True

     (B) False

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06. The piston slide valve is an inside admission valve.

     (A) Yes

     (B) No

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07. There is a loss of heat in an irreversible process.

     (A) True

     (B) False

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08. The bell crank levers used in railway signalling arrangement are of third type levers.

     (A) True

     (B) False

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09. The volume per unit mass of a liquid is called specific volume.

     (A) Yes

     (B) No

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10. D' Alembert's principle basically depends upon Newton's second law of motion.

     (A) Incorrect

     (B) Correct

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11. Liquid fuels consist of hydrocarbons.

     (A) True

     (B) False

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12. The minimum size of a billet is 10 cm × 10 cm.

     (A) Agree

     (B) Disagree

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13. The hoop stress in a thick cylindrical shell is maximum at the inner radius.

     (A) True

     (B) False

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14. The set screws are used to prevent relative motion between the two parts.

     (A) Correct

     (B) Incorrect

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15. Laminar flow __________ place at very low velocities.

     (A) Takes

     (B) Does not take

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16. Due to slip of belt, the velocity ratio of the belt drive increases.

     (A) Yes

     (B) No

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17. The heating of a gas at constant pressure is governed by Charles' law.

     (A) True

     (B) False

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18. The brake commonly used in motor cars is internal expanding brake.

     (A) True

     (B) False

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19. By decreasing the highest temperature in the Carnot cycle, its efficiency is increased.

     (A) True

     (B) False

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20. The density of air is same at different heights.

     (A) Correct

     (B) Incorrect

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