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Mechanical Engineering
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Hydraulics and Fluid Mechanics
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Question
The total energy line lies over the centre line of the pipe by an amount equal to
Options
A. pressure head
B. velocity head
C. pressure head + velocity head
D. pressure head - velocity head
Correct Answer
pressure head + velocity head
More questions
1. The bonus increases in proportion to the increase in efficiency. This statement applies to
Options
A. Halsey plan
B. Ganttplan
C. Emerson's efficiency plan
D. Rowan plan
Show Answer
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Discuss
Correct Answer: Emerson's efficiency plan
2. At the break even point,
Options
A. total cost is more than the sales revenue
B. total cost is less than the sales revenue
C. total cost is equal to sales revenue
D. fixed cost is equal to variable cost
Show Answer
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Correct Answer: total cost is equal to sales revenue
3. A-B-C analysis
Options
A. is a basic technique of materials management
B. is meant for relative inventory control
C. does not depend upon the unit cost of the item but on its annual consumption
D. all of the above
Show Answer
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Correct Answer: all of the above
4. Which of the following conditions are necessary for applying linear programming?
Options
A. These must be a well defined objective function.
B. The decision variables should be interrelated and non-negative.
C. The resources must be in limited supply.
D. all of the above
Show Answer
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Correct Answer: all of the above
5. A carbon steel having Brinell hardness number 100 should have ultimate tensile strength closer to
Options
A. 100 N/mm
2
B. 200 N/mm
2
C. 350 N/mm
2
D. 1000 N/mm
2
Show Answer
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Discuss
Correct Answer: 350 N/mm
2
6. In the above question, the normal stress on an oblique section will be maximum, when ? is equal to
Options
A. 0°
B. 30°
C. 45°
D. 90°
Show Answer
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Correct Answer: 0°
7. The production cost per unit can be reduced by
Options
A. producing more with increased inputs
B. producing more with the same inputs
C. eliminating idle time
D. minimising resource waste
Show Answer
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Discuss
Correct Answer: producing more with the same inputs
8. Routing
Options
A. prescribes the sequence of operations to be followed
B. determines the programme for the operations
C. is concerned with starting of processes
D. regulates the progress of job through various processes
Show Answer
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Correct Answer: prescribes the sequence of operations to be followed
9. In manufacturing management, the term 'Dispatching' is used to describe
Options
A. dispatch of sales order
B. dispatch of factory mail
C. dispatch of finished product of the user
D. dispatch of work orders through shop floor
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Correct Answer: dispatch of work orders through shop floor
10. A closed tank is completely filled with an oil. If it is made to move with a horizontal acceleration, then the pressure at the back end will be more than that at the front end.
Options
A. Correct
B. Incorrect
Show Answer
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Correct Answer: Correct
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