Reference no: EM131094368
Q.1 Attempt any four of the following:
(i) List and write in short about any 5 desired properties of hydraulic oils in fluid power.
(ii) List any 5 energy losses encountered by a flowing fluid in a fluid power system.
(iii) Draw and label a schematic sketch of an internal gear pump.
(iv) Draw a schematic sketch of double acting cylinder with labeling of at-least 5 parts in it
(v) A pump has a displacement of 100 cm3, it delivers 0.0015 m3/s at 1000 rpm and 70 bar. If the prime mover input torque is 120 N-m, find the:-
(a.) Overall efficiency of the pump (b.) Theoretical torque required to operate the pump
Q.2 Attempt any two of the following:
(i) A hydraulic motor has an 82 cm3 volumetric displacement, if it has a pressure rating of 70 bar and it receives oil from a 0.0006 m3/s pump, find the motor’s:-
(a.) Speed (b.) Torque capacity (c.) Power capacity
(ii) What is a cylinder cushion and its purpose? Explain with the help of a neat diagram.
(iii) Explain the working of a screw pump with the help of a neat and labeled sketch.
Q. 3 For the system as shown below, find the Force to be developed by the cylinder to drive a load of 1000 N and also find out the required diameter of the piston during extension, if the pressure rating of the cylinder is 20 bar.
Hydraulic pressure, piston velocity
: A pump supplies oil at 20 lpm to a 50 mm diameter double acting cylinder. If the load is 500 kg(extending and retracting) and the rod diameter is 25 mm,
|
List the drug or drugs employed in dentistry that interacts
: List adverse effects of this drug that is SIGNIIFCANT TO DENTAL patient management. List the drug or drugs employed in DENTISTRY that interacts with the drug chosen: For example: Does Fluoxetine interacts with NSAIDs?
|
Technical concepts related to nuclear medicine
: Explain the scientific and technical concepts related to nuclear medicine. Consider the following questions when you construct your response:
|
Empires of the fifteenth century
: What roles did slavery play in the empires of the fifteenth century? Please reply in a one page essay using three outside sources besides your textbook. Please do not cite Wikipedia.
|
A flowing fluid in a fluid power system
: A pump has a displacement of 100 cm3, it delivers 0.0015 m3/s at 1000 rpm and 70 bar. If the prime mover input torque is 120 N-m, find the
|
Determine whether not larry has legal grounds to evict roger
: Determine whether or not Larry has legal grounds to evict Roger. Explain why or why not. Describe whether or not Roger has a legal obligation to pay for the damage he caused and determine whether or not Larry would be liable for any direct damage.
|
Explain what you learned about security from the video
: Explain what you learned about security from the video and why you selected this particular video. Would you recommend this video to others? You should include any key points or issues raised.
|
Conflict between the english colonists
: What was the early, bloody conflict between the English colonists and the American Natives?
|
Find out the numbers of the r5
: A simply supported circular shaft is subjected to maximum bending moment of 32 kN-m and twisting moment of 10 kN-m, find the required shaft diameter, if the maximum shear stress allowed is 210 Gpa
|