Discussion
Home ‣ Mechanical Engineering ‣ Hydraulics and Fluid Mechanics See What Others Are Saying!
- Question
The line of action of the force of buoyancy acts through the centre of gravity of the volume of the liquid displaced.
Options- A. True
- B. False
- Correct Answer
- True
- 1. According to Bazin's formula, the discharge over a rectangular weir is mL2g x H3/2 where m is equal to
Options- A.
- B.
- C.
- D.
Discuss
- 2. A body floating in a liquid is said to be in a stable equilibrium, if its metacentre coincides with its centre of gravity.
Options- A. True
- B. False Discuss
- 3. The work study is done by means of
Options- A. planning chart
- B. process chart
- C. stop watch
- D. any one of these Discuss
- 4. The process of removing metal by a cutter which is rotated in the same direction of travel of workpiece, is called
Options- A. up milling
- B. down milling
- C. face milling
- D. end milling Discuss
- 5. In a unit type body (frameless body) design, the sheet metal parts are welded together, forming a frame work to which outer skin is attached.
Options- A. True
- B. False Discuss
- 6. An alloy steel which is work hardenable and which is used to make the blades of bulldozers, bucket wheel excavators and other earth moving equipment contain iron, carbon and
Options- A. chromium
- B. silicon
- C. manganese
- D. magnesium Discuss
- 7. Time study is carried out
Options- A. by finding all the significant informations regarding the job, work place and machine tool etc.
- B. by breaking up each operation into small elements which are measurable with the help of the measuring device accurately
- C. by observing and recording the time taken by the operator for an operation
- D. all of the above Discuss
- 8. In a four stroke cycle petrol engine, the charge is compressed when both the valves (i.e. inlet valve and exit valve) are closed,
Options- A. Agree
- B. Disagree Discuss
- 9. The ratio of change in volume to the original volume is called
Options- A. linear strain
- B. lateral strain
- C. volumetric strain
- D. Poisson's ratio Discuss
- 10. The swing diameter over the bed is __________ the height of the centre measured from the bed of the lathe.
Options- A. equal to
- B. twice
- C. thrice
- D. one-half Discuss
More questions
Correct Answer:
Correct Answer: False
Correct Answer: stop watch
Correct Answer: down milling
Correct Answer: True
Correct Answer: manganese
Correct Answer: all of the above
Correct Answer: Agree
Correct Answer: volumetric strain
Correct Answer: twice
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