Engineering Fundamentals
6th Edition
ISBN: 9780357112144
Author: Saeed Moaveni
Publisher: MISC PUBS
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Chapter 18, Problem 32P
To determine
Estimate the temperature of plate at
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A steel tape of nominal length 200 m with a plumb bob of mass 16 kg attached to it was used to measure a length down a shaft as 160.852 m. The mean temperature during the measurement was 4 C. If the tape was standardized to be 200.0014m under a tension of 115 N at 20" C temperature, determine the correct measured length.
The following data may be used:
Mass of tape = 0.07 kg/m
Cross-sectional area of tape= 10 mm
Coefficient of linear expansion a = 11x 10/°C
Modulus of clasticity = 2x 10° Nmm
Acceleration due to gravity 9.807 m's.
A typical differential manometer is attached to two sections A and B in a horizontal pipe through which water is flowing at a steady rate as shown in Figure 4. The deflection of mercury in the manometer is 0.60 m. Calculate the difference in pressure between sections Aand B. Take the densities of water and mercury as 1000 kg/m3 and 13570 kg/m3 respectively.
A surveying team used a 100m tape which is of standard length at 32°C in measuring a certain distance and found out that the length of tape have different tension were applied as shown. Let K = 0.0000116 m/°C.
Length of tape (m)
Tension Applied (kg)
99.986
10
99.992
14
100.003
20
a. What tension must be applied to the tape at a temperature of 32°C so that it would be of standard length?
b. What tension must be applied to the tape at a temperature of 40.6°C so that it would be of standard length?
Chapter 18 Solutions
Engineering Fundamentals
Ch. 18.2 - Prob. 1BYGCh. 18.2 - Prob. 2BYGCh. 18.2 - Prob. 3BYGCh. 18.2 - Prob. 4BYGCh. 18.2 - Prob. BYGVCh. 18.3 - Prob. 1BYGCh. 18.3 - Prob. 2BYGCh. 18.3 - Prob. 3BYGCh. 18.3 - Prob. BYGVCh. 18.4 - Prob. 1BYG
Ch. 18.4 - Prob. 2BYGCh. 18.4 - Prob. 3BYGCh. 18.4 - Prob. 4BYGCh. 18.4 - Prob. BYGVCh. 18.5 - Prob. 1BYGCh. 18.5 - Prob. 2BYGCh. 18.5 - Prob. 3BYGCh. 18.5 - Prob. 4BYGCh. 18.5 - Prob. BYGVCh. 18.6 - Prob. 1BYGCh. 18.6 - Prob. 2BYGCh. 18.6 - Prob. 3BYGCh. 18.6 - Prob. 4BYGCh. 18.6 - Prob. BYGVCh. 18.7 - Prob. 1BYGCh. 18.7 - Prob. 2BYGCh. 18.7 - Prob. BYGVCh. 18 - Prob. 1PCh. 18 - Prob. 2PCh. 18 - Prob. 3PCh. 18 - In Chapter 12, we explained that the electric...Ch. 18 - The deflection of a cantilevered beam supporting...Ch. 18 - Prob. 6PCh. 18 - Prob. 7PCh. 18 - Prob. 8PCh. 18 - Prob. 9PCh. 18 - Prob. 10PCh. 18 - Prob. 11PCh. 18 - Prob. 12PCh. 18 - Prob. 13PCh. 18 - Prob. 14PCh. 18 - A jet plane taking off creates a noise with a...Ch. 18 - Prob. 16PCh. 18 - Prob. 17PCh. 18 - Prob. 18PCh. 18 - Prob. 19PCh. 18 - Prob. 20PCh. 18 - Prob. 21PCh. 18 - Prob. 22PCh. 18 - Prob. 23PCh. 18 - Prob. 24PCh. 18 - Prob. 25PCh. 18 - Prob. 26PCh. 18 - Prob. 27PCh. 18 - Prob. 28PCh. 18 - Prob. 29PCh. 18 - Prob. 30PCh. 18 - Prob. 31PCh. 18 - Prob. 32PCh. 18 - Prob. 33PCh. 18 - Prob. 34PCh. 18 - Prob. 35PCh. 18 - Prob. 36PCh. 18 - Prob. 37PCh. 18 - Prob. 38PCh. 18 - Prob. 39PCh. 18 - Prob. 40PCh. 18 - Prob. 41PCh. 18 - Prob. 42PCh. 18 - Prob. 43PCh. 18 - Prob. 44PCh. 18 - Prob. 45P
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- A 50-m steel tape standardized at 20° was found to be 50.16 m long. This tape was held horizontal to measure a line from A to B in three segments. The data listed in the following table were recorded. Apply corrections for tape length and temperature change to determine the correct length of the line. The coefficient of thermal expansion and contraction of the tape is 0.000116 /unit length/degree Celsius. Section Measured distance (m) Temperature (C°) 35 I 50.00 II 50.00 37 III 31.215 40arrow_forwardWrite a laboratory report about this lab exercise using the given data below. Given: PI at 8 + 272.311 I= 24° 24'20" T = 108.129 marrow_forward2. A steel tape with a coefficient of linear expansion of 0.0000116/degree Celsius is known to be 50m long at 20 degree Celsius. The tape was used to measure a line which was found to be 532.28m long when the temperature was 35 degree Celsius. Determine the correct length of the line. (Input magnitude only, two decimal places.) *arrow_forward
- I need the answer as soon as possiblearrow_forwardA mercury Manometer is attached to a pipe having suction pressure. The right limb is open to the atmosphere while the contact between mercury and water is in left limb at a distance of 30 cm from the center of the pipe. a. If the difference in the Level of mercury in the two limbs is 20 cm, What will be the pressure in the pipe. b. If the pressure in the pipe is increase to Pascal, What will be the new difference in mercury level?arrow_forwardA steel tape, with a coefficient of linear expansion of 0.0000116/C, is known to be 50 meters long at 30°C. The tape was used to measure a line was found to be 15532.28 meters long when the temperature was 27°C. Determine the following: a. Temperature correction per tape length b. Temperature correction for the measured line c. Correct length of the linearrow_forward
- Situation 2 An object with a shape of a cube with 280mm on each side, and weighing 425N is lowered into a tank containing a layer of water over a layer of mercury. a) Determine the position of the bottom block (height if the block submerged in mercury) above the mercury, when it has reached the equilibrium, in mm.arrow_forwardA manometer is a device that measures pressure. A common simple manometer consists of a U shaped tube of glass filled with some liquid. Water is first filled into the U-tube until a clear horizontal water surface is visible on both legs of the U-tube. Unequal amounts of kerosene were then dropped into both legs of the U-tube. The height of kerosene in the left leg was measured as 8.3 cm high and 5.2 cm on the right leg. The difference in elevation between the interfaces of kerosene and water measured 2.5 cm. Determine the specific gravity of kerosene.arrow_forwardAn object was left in a room of unknown surrounding temperature. The temperature of the object was summarized below with respect to the time t (in minutes) the object was initially observed. Predict and complete the information, i.e. determine the temperature in Celsius when t= 30 minutes. Put your answer accurate up to four decimal places. When t= 0, the temperature of the object is 30 degrees Celsius. • When t= 10 minutes, the temperature of the object is 32 degrees Celsius. • When t= 20 minutes, the temperature of the object is 33.6 degrees Celsius. • When t= 30 minutes, the temperature of the object is unknown. Assume the system obeys Newton's Law of Cooling and the surrounding temperature of the room did not change.arrow_forward
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