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    HAP Unit III Pre-Assignment

    Uploaded by

    Akshay Gite
    This document contains a 10 question pre-assignment for a student named Gite Akshay A for Unit III. The questions assess knowledge of hydraulic components including pressure reducing valves, servo valves, throttle valves, check valves, accumulators, and flow control valves. All questions were answered correctly, with the student scoring full marks of 20 out of 20.

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    © All Rights Reserved
    Download as PDF, TXT or read online from Scribd

    HAP Unit III Pre-Assignment

    Uploaded by

    Akshay Gite
    54 views5 pages
    This document contains a 10 question pre-assignment for a student named Gite Akshay A for Unit III. The questions assess knowledge of hydraulic components including pressure reducing valves, servo valves, throttle valves, check valves, accumulators, and flow control valves. All questions were answered correctly, with the student scoring full marks of 20 out of 20.

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    This document contains a 10 question pre-assignment for a student named Gite Akshay A for Unit III. The questions assess knowledge of hydraulic components including pressure reducing valves, servo valves, throttle valves, check valves, accumulators, and flow control valves. All questions were answered correctly, with the student scoring full marks of 20 out of 20.

    Copyright:

    © All Rights Reserved
    Download as PDF, TXT or read online from Scribd
    Download as pdf or txt
    54 views5 pages

    HAP Unit III Pre-Assignment

    Uploaded by

    Akshay Gite
    This document contains a 10 question pre-assignment for a student named Gite Akshay A for Unit III. The questions assess knowledge of hydraulic components including pressure reducing valves, servo valves, throttle valves, check valves, accumulators, and flow control valves. All questions were answered correctly, with the student scoring full marks of 20 out of 20.

    Copyright:

    © All Rights Reserved
    Download as PDF, TXT or read online from Scribd
    Download as pdf or txt
    You are on page 1of 5

    9/8/2020 Unit III Pre-Assignment

    Unit III Pre-Assignment Total points 20/20

    Division *

    Roll No. *

    22

    Name of Student *

    GITE AKSHAY A

    Q. 1 Identify when the pressure reducing valve used? * 2/2

    it is used when higher pressure than system pressure is required

    it is used when lower pressure than system pressure is required

    when absolutely zero pressure is required

    all of the above

    https://docs.google.com/forms/d/e/1FAIpQLSc7DGpujo9ajfu6Gn9PZlHIVuaj8lonb37DVun4JhoLdnNHRA/viewscore?viewscore=AE0zAgAC8cA3… 1/5
    9/8/2020 Unit III Pre-Assignment

    Q. 2 Predict from the following is a characteristic of servo valve. * 2/2

    open loop system

    close loop system

    less contamination

    All of the above

    Q. 3 Select in which control valve energy consumption reduces as load 2/2


    decreases? *

    conventional direction control valve

    proportional direction control valve

    both a. and b.

    none of the above

    Q. 4 What is the function of unloading relief valve and can it be used as 2/2
    an accessory for accumulators? *

    unloading relief valve is used to charge the accumulator by a pump when


    accumulator pressure falls below the set value and it can be used as an
    accessory.

    unloading relief valve is used to charge the accumulator by a pump when


    accumulator pressure falls below the set value but is not used as an accessory.

    unloading relief valve is used to charge the accumulator by a pump when


    accumulator pressure rises above the set value but is not used as an accessory
    https://docs.google.com/forms/d/e/1FAIpQLSc7DGpujo9ajfu6Gn9PZlHIVuaj8lonb37DVun4JhoLdnNHRA/viewscore?viewscore=AE0zAgAC8cA3… 2/5
    9/8/2020 Unit III Pre-Assignment
    accumulator pressure rises above the set value but is not used as an accessory.

    unloading relief valve is used to charge the accumulator by a pump when


    accumulator pressure rises above the set value and is used as an accessory.

    Q. 5 Predict of the following statements are true for throttle valve? 1. 2/2
    Reverse flow of fluid is not possible 2. Input pressure for a throttle valve
    is more than output pressure 3. The actuator speed can be reduced by a
    throttle valve 4. Correct flow control valve for a particular application can
    be selected on the basis of pressure drop specified *

    1, 2 and 3

    1, 3 and 4

    2, 3 and 4

    all of the above

    Q. 6 Identify check valve is a type of * 2/2

    pressure reducing valve

    pressure relief valve

    directional control valve

    none of the above

    Q. 7 Ensure in which systems, spool of the servo valve is operated by a 2/2


    torque motor? *

    hydromechanical servo systems

    electrohydraulic servo systems

    ti l l
    https://docs.google.com/forms/d/e/1FAIpQLSc7DGpujo9ajfu6Gn9PZlHIVuaj8lonb37DVun4JhoLdnNHRA/viewscore?viewscore=AE0zAgAC8cA3… 3/5
    9/8/2020 Unit III Pre-Assignment
    conventional servo valve

    all of the above

    Q. 8 Predict which valve is used to block the accumulator from the 2/2
    system for the purpose of safety? *

    pilot valve

    needle valve

    detent valve

    all of the above

    Q. 9 Identify What is the function of a flow control valve? * 2/2

    flow control valve changes the direction of oil flow

    flow control valve can adjust the flow rate of hydraulic oil

    both a. and b.

    none of the above

    Q. 10 Predict what does the numbers in 4/2 valve mean? * 2/2

    4 positions and 2 ways

    4 ways and 2 positions

    none of the above

    This form was created inside of K K Wagh Education Society Nashik


    https://docs.google.com/forms/d/e/1FAIpQLSc7DGpujo9ajfu6Gn9PZlHIVuaj8lonb37DVun4JhoLdnNHRA/viewscore?viewscore=AE0zAgAC8cA3… 4/5
    9/8/2020 Unit III Pre-Assignment
    This form was created inside of K.K.Wagh Education Society, Nashik.

     Forms

    https://docs.google.com/forms/d/e/1FAIpQLSc7DGpujo9ajfu6Gn9PZlHIVuaj8lonb37DVun4JhoLdnNHRA/viewscore?viewscore=AE0zAgAC8cA3… 5/5

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