Basic Mechanical Engineering Questions - Quiz Set 26 - ObjectiveBooks
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Basic Mechanical Engineering Questions - Quiz Set 26

Quiz Questions

01. The coefficient of venturi-flume, generally, lies between

02. Teflon is used for bearings because of

03. The process of under-cooling is generally brought about by

04. The thermal diffusivity for gases is generally __________ those for liquids.

05. The enlarging of an existing circular hole with a rotating single point tool is called

06. During hot working of metals

07. A column that fails due to direct stress, is called

08. The specific gravity of water is taken as

09. An error of 1% in measuring head over the crest of the notch (H) will produce an error of __________ in discharge over a triangular notch,

10. In a cold chamber die casting machine, only nonferrous alloys with _________ are casted.

11. A flow in which the quantity of liquid flowing per second is not constant, is called

12. In spot welding, the spacing between two spot weld should not be less than

13. The power transmitted by a belt drive is maximum when the maximum tension in the belt is __________ the centrifugal tension.

14. The factors to be considered for production scheduling are

15. Oil separator in a refrigeration cycle is installed

16. The cavitation in a hydraulic machine is mainly due to

17. In order to cut mild steel, the cutting angle of chisel should be ________degree.

18. A ship with jet propulsion draws water through inlet orifices at right angles to the direction of its motion. The propelling force of the jet is waVr /g × (Vr - v). (Where a = Area of the jet, Vr = Relative velocity of the jet and ship = V + v, v = Velocity of the ship, and V = Velocity of the jet issuing from the ship)

19. The boiling point of carbon dioxide is _______ °C?

20. The thrust force will increase with the increase in

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