Q14. Which scenario will happen to the double acting cylinder if there are oil leakage at the directcontrol valve.a. The double acting cylinder unable to move forward and backward.b. The double acting cylinder able to move forward and backward in normal speed.c. The double acting cylinder able to move forward and backward in faster speed.d. The double acting cylinder able to move forward and backward in slower speed.Q15. What are the function of a hydraulic solenoid valve in electro-hydraulic system.a. When activated, an electro-magnetic force will be generated to pull the valve backwardb. When activated, an electro-magnetic force will be generated to push the valve forwardc. When activated, an electro-magnetic force will generated but the valve movementremain static.d. When activated, an electro-magnetic force will generated and the goes to middleposition.Q16. Which of the following is not a characteristic property of any moulding sand?a. Flowabilityb. Hardenabilityc. Green strengthd. Dry strengthQ17. Why should the moulding sand be porous?a. For gases to enterb. For gases to escapec. For water to enterd. For water to escapeQ18. Strength and permeability of served sand are related toa. Grain sizeb. Clay-contentc. Hardnessd. Moisture content

Q14. Which scenario will happen to the double acting cylinder if there are oil leakage at the direct control valve. a. The double acting cylinder unable to move forward and backward. b. The double acting cylinder able to move forward and backward in normal speed. c. The double acting cylinder able to move forward and backward in faster speed. d. The double acting cylinder able to move forward and backward in slower speed.

Q14. Which scenario will happen to the double acting cylinder if there are oil leakage at the direct control valve. a. The double acting cylinder unable to move forward and backward. b. The double acting cylinder able to move forward and backward in normal speed. c. The double acting cylinder able to move forward and backward in faster speed. d. The double acting cylinder able to move forward and backward in slower speed.

Elements Of Electromagnetics

7th Edition

ISBN:9780190698614

Author:Sadiku, Matthew N. O.

Publisher:Sadiku, Matthew N. O.

ChapterMA: Math Assessment

Section: Chapter Questions

Problem 1.1MA

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Concept explainers

Applied Fluid Mechanics

A fluid is a substance that is continuously deformed by the application of shear stress. The rate of deformation of a fluid depends on its viscosity. The fluid tries to flow when it interacts with some other system.

Question

Q14. Which scenario will happen to the double acting cylinder if there are oil leakage at the direct
control valve.
a. The double acting cylinder unable to move forward and backward.
b. The double acting cylinder able to move forward and backward in normal speed.
c. The double acting cylinder able to move forward and backward in faster speed.
d. The double acting cylinder able to move forward and backward in slower speed.
Q15. What are the function of a hydraulic solenoid valve in electro-hydraulic system.
a. When activated, an electro-magnetic force will be generated to pull the valve backward
b. When activated, an electro-magnetic force will be generated to push the valve forward
c. When activated, an electro-magnetic force will generated but the valve movement
remain static.
d. When activated, an electro-magnetic force will generated and the goes to middle
position.
Q16. Which of the following is not a characteristic property of any moulding sand?
a. Flowability
b. Hardenability
c. Green strength
d. Dry strength
Q17. Why should the moulding sand be porous?
a. For gases to enter
b. For gases to escape
c. For water to enter
d. For water to escape
Q18. Strength and permeability of served sand are related to
a. Grain size
b. Clay-content
c. Hardness
d. Moisture content

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