[4b] Following four cross-sections have the same cross sectional area and are made of same material. Which of them is the most efficient and which of them is least efficient section respectively. * (a) (b) (c) (d)

[4b] Following four cross-sections have the same cross sectional area and are made of same material. Which of them is the most efficient and which of them is least efficient section respectively. * (a) (b) (c) (d)

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

Chapter42: Heat Gains And Heat Losses In Structures

Section: Chapter Questions

Problem 10RQ: If the R-value of a construction material is 2.0, what isits U-value? A. 0.25 B. 0 50 C. 1.0 D. 2.0

See similar textbooks

Related questions

Q: A picture is taken of a pole vaulter, and the minimum radius of curvature of the pole is estimated…

A: Solution.

Q: A 4-cm-OD, 3-cm-ID, circular shaft supports a 200 N load and is supported at two points, which are…

Q: 10 kN 12 kN 4 kN 8 kN (1) (2) 10 kN C12 kN 2.0 m 2.5 m 3.0 m

Q: 3.39 The diagram shows a conical section fabricated from pure aluminum. It is of circular cross…

A: For solution refer below images.

Q: (a) A steel beam in the form of a cantilever of length 2 m, designed for a structural engineering…

A: To find: The net deflection at the free end using the double integration method. Given: The point…

Q: The engineering stress-engineering tensile curve for a stainless steel typ alloy is shown. Calculate…

A: The true stress and true strain curve σt=KεtnFind K and n

Q: Stress (MPa) Graph 1 - Stress/Strain plot 400 320 300 200 100 0 (a) 51.472kN (b) 205.89kN (c) 25735N…

Q: On a stress element, the following stresses are acting: σ x = 0 ksi σ y = 0 ksi τ xy = 20 Ksi…

A: The principal plane are plane on which the resultant stress is normal to the plane. It means there…

Q: A thin square plate PQRS is symmetrically deformed into the shape shown by the dashed lines in the…

Q: as depicted in the figure. As

A: given:

Q: You, a person weighing 100 kg, are offered an opportunity to earn $10M (ten million $) by simply…

Q: A distributed force deforms a cuboid made from a new experimental material as shown. The slope of…

A: Dimensions of the cuboid: b=1.4m,, c=3.2mDistributed load: w=250MN/mLateral strain:…

Q: A steel bar of thickness h, to be used as a beam, is welded to a vertical support by two fillet…

A: The allowable force, F, on the weld is approximately 252.84 kN.Explanation:Step 1: To find the…

Q: D = 90 mm d = 60 mm r = 12 mm t = 10 mm F = 9000 N What is the magnitude of the maximum stress at…

A: Given:Width of larger section, D=90 mmWidth of smaller section, d=60 mmRadius of fillet, r=12…

Q: You need the shear modulus for a particular material in order to calculate shear strain for a known…

Q: A solid copper cube has an edge length of 82.5 cm. How much stress must be applied to the cube to…

A: Please find the solution below

Q: Figure shows two forces, one 500 N and the other P applied by cables on each side of the obstruction…

A: Given data Two forces are presentKnown Force = 500 NForce T is the resultantForce P is unknown.d is…

Q: A 4-cm-OD, 3-cm-ID, circular shaft supports a 200 N load and is supported at two points, which are…

Q: 1.4-7 The data shown in the table below were obtained from a tensile test of high-strength steel.…

A: Only one question can be answered according to the rules. Kindly upload the other question to be…

Q: ABC triangle is drawn on the thin plate in the figure when it is unloaded. AB length is parallel to…

A: Given:To find:

Q: Given the quadragonal element for plane stress. (5,4) (1,3) (0,1) 2 (6,0) (a) Introduce a "parent…

Q: 300 kN 330 kN 30 mm 15 mm 20 mm 80 kN C + 150 mm 200 mm- - 250 mm-

A: Elongation of a bar can be calculated by, δ=PLAE Here, P is the force in the member, L is the length…

Q: Determine the diameter of a tensile member of a circular cross-section. The following data is given…

Q: Consider the pre-deformation cross-section of a bar, a side view of which is shown in the figure…

A: Given data:- Radius of curvature (R) =5.4 m diameter of the bar (d) = 180 mm To find:-Normal strain…

Q: Rigid bar ABCD is loaded and supported. Steel [E=30,000 ksi] bars (1) and (2) are unstressed before…

Q: To analyze two built-up members that have the same geometry but are fastened differently, determine…

A: GIVEN

Q: The bar shown below has a cross-section area of 78 mm² for element AC and a cross-section area of…

Concept explainers

Slope and Deflection

The slope in a deflected beam is described as an angle in radians made by the tangent of the section with the original axis of the beam. The deflection at any point on the axis of the beam is defined as the lateral displacement of the point before and after loading.

Question

100%

[4b] Following four cross-sections have the same cross sectional area and are
made of same material. Which of them is the most efficient and which of them is
least efficient section respectively. *
(a)
(b)
(c)
(d)
O a and b
O c and a
O b and a
O c and d
O None of the above

Expert Solution

This question has been solved!

Explore an expertly crafted, step-by-step solution for a thorough understanding of key concepts.

This is a popular solution!

SEE SOLUTION Check out a sample Q&A here

Step 1

VIEW

Step 2

VIEW

Step 3

VIEW

Trending now

This is a popular solution!

Step by step

Solved in 3 steps

SEE SOLUTION Check out a sample Q&A here

Knowledge Booster

Learn more about

Need a deep-dive on the concept behind this application? Look no further. Learn more about this topic, mechanical-engineering and related others by exploring similar questions and additional content below.

Similar questions

QUESTION 2 Question 2 A cross-section of a beam is shown in Figure Q2. If the shear force in this section is V = 125 KN, determine the value and the location of the maximum shear stress in the section. In Figure Q2, a = 30 mm and the origin of the coordinate system is at centroid of the cross section. 7 y= Z= A a AY S= 20 4a mm; mm; O Figure Q2 Answer The vertical coordinate (y-coordinate; the y-axis serves as the axis of symmetry of the cross- section.) and horizontal coordinate (z-coordinate) of the location where the maximum shear stress occurs in the section are ← a The vertical distance from the location where the maximum shear stress occurs in the section to the bottom side (AB cross section can be calculated as Distance = mm (units: mm) 3a Second moment of area The second moment of area employed in the equation to calculate maximum shear stress can be calculated as I₂ = a (units: mm²) Shear stress The second moment of area employed in the equation to calculate maximum shear…
Can you answer d through e on this question? thank you
A 46* ull 54% A 9:26 Hadi Moustafa H LIU What is the magnitude of the moment done by the force about the "z-axis" in the following figure. mumim 0mood odi Wniog uods 4 m F = {60i – 50j – 20k} N %3D 3 m II
Prove that the most efficient triangular section is the one with a 90° vertex angle.
A circular region of radius R/2 is cut out from the circular region of radius R as shown. For what distance d will kx for the new region be the same as kx (for the region before the cutout was removed?
Locate the centroid of the area. Express your answer in feet to three significant figures. 18 11 VE ΑΣΦ | 1 | vec d ? ft
The permissible shear stress for the weldment in Figure is 109.2 MPa. Estimate the second polar moment of area. Take F = 20.7 kN, a = 104 mm and h = 7 mm. Give your answer in mm². Work to 3 decimal places. Do not submit the answer with units. h a h 180 mm ןד 150 mm
Plz solve correctly all parts Will definitely
(L=6847 mm, q = 5331 N/mm, M = 1408549 N.mm, and El = 8.6 x 1014 N. mm²) X A ΕΙ B L Y M
These are definitely corrects 100%, please tell me how to solve.
distribution of the transverse shear stress due to V at point B 1800 lbf A For the beam shown in Figure 1, determine | B 10 in 300 lbf/in 30 in C 3 in 1 in 1 in ➜ k 1₁ 3 in the profile of the Cross section (enlarged)
Can you solve for v? Also, what is A x u