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    Ishrae-Vcet Quiz Final Round

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    rachit_shah_7
    This document contains a quiz for a final round of ISHRAE-VCET with 13 multiple choice questions covering topics in refrigeration, psychrometrics, heat transfer, thermodynamics, and fluid mechanics. It informs participants that there will be a point system for correct and wrong answers, and that only the top two scorers will be selected to advance to the next round on February 10th, 2011. Participants are wished the best of luck.

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    Attribution Non-Commercial (BY-NC)
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    Ishrae-Vcet Quiz Final Round

    Uploaded by

    rachit_shah_7
    135 views3 pages
    This document contains a quiz for a final round of ISHRAE-VCET with 13 multiple choice questions covering topics in refrigeration, psychrometrics, heat transfer, thermodynamics, and fluid mechanics. It informs participants that there will be a point system for correct and wrong answers, and that only the top two scorers will be selected to advance to the next round on February 10th, 2011. Participants are wished the best of luck.

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    This document contains a quiz for a final round of ISHRAE-VCET with 13 multiple choice questions covering topics in refrigeration, psychrometrics, heat transfer, thermodynamics, and fluid mechanics. It informs participants that there will be a point system for correct and wrong answers, and that only the top two scorers will be selected to advance to the next round on February 10th, 2011. Participants are wished the best of luck.

    Copyright:

    Attribution Non-Commercial (BY-NC)
    Download as DOC, PDF, TXT or read online from Scribd
    Download as doc, pdf, or txt
    135 views3 pages

    Ishrae-Vcet Quiz Final Round

    Uploaded by

    rachit_shah_7
    This document contains a quiz for a final round of ISHRAE-VCET with 13 multiple choice questions covering topics in refrigeration, psychrometrics, heat transfer, thermodynamics, and fluid mechanics. It informs participants that there will be a point system for correct and wrong answers, and that only the top two scorers will be selected to advance to the next round on February 10th, 2011. Participants are wished the best of luck.

    Copyright:

    Attribution Non-Commercial (BY-NC)
    Download as DOC, PDF, TXT or read online from Scribd
    Download as doc, pdf, or txt
    of 3

    ISHRAE-VCET QUIZ FINAL ROUND

    +1 Correct Answer/-1 Wrong Answer /0 No Response

    1) An ordinary passenger aircraft requires a cooling system of capacity


    a) 2TR b) 4TR c) 8TR

    +2 Correct Answer/-2 Wrong Answer /0 No Response

    1)An evaporator is used in the …


    a) Low pressure side of the Refrigeration system
    b) High pressure side of the Refrigeration system

    2) For comfort, all men and women above 40 years of age prefer ….. effective
    temperature than the persons below 40 yrs of age.
    a) Higher
    b) Lower

    +3 Correct Answer/-1 Wrong Answer /0 No Response

    1) A Jet Fighter traveling at 950 km/hr needs a cooling system of capacity


    a) 2 to 4 TR b) 4 to 8 TR c) 8 to 10 TR d) 10 to 20 TR

    2) The wet bulb depression is zero, when relative humidity is equal to


    a) zero b)0.5 c) 0.75 d)1.0

    3) If the velocity of air flowing through the duct is V m/min, then the velocity
    pressure (p) in mm in water is given by
    (a)(V/4.04)^2
    (b) (V/40.4)^2
    (c) (V/242.4)^2
    (d) (V/2424)^2

    4) The outer surface of long cylinder is maintained at constant temperature. The cylinder
    does not have any heat source. The temperature in cylinder will
    a) Increase linearly with radius.
    b) Decrease linearly with radius.
    c) Independent with radius.
    d) Vary longitudinally with radius.

    5) Equation of effectiveness is [1-e^(-NTU)] of a Heat Exchanger is valid in the case of


    a) Boiler & condenser for parallel flow
    b) Boiler & condenser for counter flow
    c) Boiler & condenser for both parallel and counter flow
    d) Gas turbines for both parallel and counter flow

    6) Thickness of thermal & Hydrodynamic boundary layer is equal if


    a) Prandtl Number=1
    b) Prandtl Number<1
    c) Prandtl Number>1
    d) Prandtl Number=Nusselts Number

    7) Upto the critical radius of insulation


    a) Added insulation will increase heat loss
    b) Added insulation will decreases heat loss
    c) Convection Heat loss<Conduction Heat loss
    d) Heat Loss will decrease

    8) An exchanger in which hot & cold fluids flow over heat transfer surface
    alternately is
    a) a direct contact Heat Exchanger
    b) Regenrator
    c) Parallel flow exchanger
    d) All of these

    9) Minimum value of Prandtls is generally for


    a) Water
    b) Liquid metals
    c) Salt solution
    d) Petroleum

    10) Non Quasi-Static process is


    a) Free Expansion Process
    b) Expansion of gas in cylinder under constant pressure
    c) Rapid compression of gas in a cylinder
    d) Gradual compression of gas in a cylinder

    11) When a real gas undergoes Joule-Thomson expansion the temperature


    a) Will remain constant
    b) Always increases
    c) May increase or decrease
    d) Always decreases

    12) A liquid is boiling in an airtight vessel using an exhaust tube


    The vapor is pumped out at a faster rate, what will happen to the liquid
    a) Temp decreases, Boiling continues
    b) Temp increases, boiling continues
    c) Boiling stops
    d) Whatever vapour inside will condense

    13) In an adiabatic flow with friction, the stagnation temp along the stream line
    a) increases
    b) decreases
    c) remain same
    d) either increases or decreases

    14) Wander Waal’s equation


    a) has three root of identical value at critical point
    b) is valid for all temperatures and pressures
    c) is valid for diatomic gases only
    d) All of these

    ONLY TWO TOP SCORERS WILL BE SELECTED.


    THIS TEAM WILL BE PROMOTED TO THE NEXT ROUND WHICH IS
    TO BE CONDUCTED ON 10th FEB 2011 at S.P.C.E.

    *BEST OF LUCK*

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