Select the most appropriate answer from the multiple choices given (5 marks for each one). I- A mesurement system is to be used to mesure a presure of 250 Hz. For accurate readings, the time constant of the system sholud be --------- sec. (a) 250, (b) 2.5, (c) 25, (d) 0.25, (e) 0.01, (f) 1E-4, (g) 0.025. II- The bi-metallic thermometer is used to measure temperatures of --------frequency variation. (a) very high, (b) very low, (c) above 1 Hz, (d) above 10 Hz, (e) above 100 Hz, (f) none of these. III- The static Pitot tube is suitable for measuring dynamic, (b) variable, (c) controlled, (d) directly constant, (e) dynamic, (f) constant. IV- The Borden-type gauge is a good choice to measure ------- dynamic, (b) variable, (c) controlled, (d) directly constant, (e) dynamic, (f) static fluid velocities. (a) directly pressures. (a) directly Select the most appropriate answer from the multiple choices given (5 marks for each one).I- A mesurement system is to be used to mesure a presure of 250 Hz. For accurate readings,the time constant of the system sholud be(e) 0.01, (f) 1E-4, (g) 0.025.II- The bi-metallic thermometer is used to measure temperatures of --------frequency--------- sec. (a) 250, (b) 2.5, (c) 25, (d) 0.25,variation. (a) very high, (b) very low, (c) above 1 Hz, (d) above 10 Hz, (e) above 100Hz, (f) none of these.III- The static Pitot tube is suitable for measuringdynamic, (b) variable, (c) controlled, (d) directly constant, (e) dynamic, (f) constant.IV- The Borden-type gauge is a good choice to measuredynamic, (b) variable, (c) controlled, (d) directly constant, (e) dynamic, (f) staticfluid velocities. (a) directly---- ----pressures. (a) directly----- --

1. Time constant is given by =2501000 =0.25secoption d is the correct answer.

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Refrigeration and Air Conditioning Technology (MindTap Course List)

8th Edition

ISBN:9781305578296

Author:John Tomczyk, Eugene Silberstein, Bill Whitman, Bill Johnson

Publisher:John Tomczyk, Eugene Silberstein, Bill Whitman, Bill Johnson

Chapter1: Heat, Temperature, And Pressure

Section: Chapter Questions

Problem 17RQ: Convert 22C to Fahrenheit.

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Select the most appropriate answer from the multiple choices given (5 marks for each one). I- A mesurement system is to be used to mesure a presure of 250 Hz. For accurate readings, the time constant of the system sholud be --------- sec. (a) 250, (b) 2.5, (c) 25, (d) 0.25, (e) 0.01, (f) 1E-4, (g) 0.025. II- The bi-metallic thermometer is used to measure temperatures of --------frequency variation. (a) very high, (b) very low, (c) above 1 Hz, (d) above 10 Hz, (e) above 100 Hz, (f) none of these. III- The static Pitot tube is suitable for measuring dynamic, (b) variable, (c) controlled, (d) directly constant, (e) dynamic, (f) constant. IV- The Borden-type gauge is a good choice to measure ------- dynamic, (b) variable, (c) controlled, (d) directly constant, (e) dynamic, (f) static fluid velocities. (a) directly pressures. (a) directly

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