REFRIGERATION+AIR COND.TECH.-W/2 ACCESS
8th Edition
ISBN: 9781337370042
Author: TOMCZYK
Publisher: CENGAGE L
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Chapter 46, Problem 16RQ
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a-Write five advantages and two disadvantages of welded joints over riveted joints.
b- Define gas welding.
Q2/ A plate, 75 mm wide and 10 mm thick, is joined with another steel plate by means of single
transverse and double parallel fillet welds, as shown in Figl. The joint is subjected to a maximum
tensile force of 55 kN. The permissible shear stresses in the weld material is 50 N/mm2 respectively.
Determine the required length of each parallel filet weld. (Neglect the tensile stress in the parallel
welding lines and Design based on the shear stresses only)
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1. A round stepped cast iron shaft of diameters d and D with shoulder fillet radius r is
loaded by an axial tensile load P, as shown in the figure below. Compute the value
of P that may be applied to the bar without failure. Given: d = 25 mm, D = 50 mm,
r = 3.75 mm, Sut = 250 MPa, Suc = 380 MPa, N=1.5.
P
2. Make a report about the most effective techniques used by engineers to reduce the
effects of stress concentration.
A conical pivot bearing 150mm in diameter has a cone angle of 120degree . If the shaft supports an axial load of 20kN and the coefficient of friction is 0.03,find the power lost in friction when the shaft rotates at 200r.p.m , assuming 1. Uniform pressure and uniform wear.
Chapter 46 Solutions
REFRIGERATION+AIR COND.TECH.-W/2 ACCESS
Ch. 46 - A typical room air-conditioning unit has _____(one...Ch. 46 - Prob. 2RQCh. 46 - The line that carries refrigerant into the...Ch. 46 - Prob. 4RQCh. 46 - Prob. 5RQCh. 46 - Prob. 6RQCh. 46 - Prob. 7RQCh. 46 - Prob. 8RQCh. 46 - Prob. 9RQCh. 46 - Prob. 10RQ
Ch. 46 - Prob. 11RQCh. 46 - Prob. 12RQCh. 46 - Describe the operation of the exhaust and...Ch. 46 - Why should gauges be installed only after there is...Ch. 46 - Prob. 15RQCh. 46 - Prob. 16RQCh. 46 - During the heat pump heating cycle, the hot gas...Ch. 46 - What are two methods used to evaporate condensate...
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- An element in plane stress is subjected to stresses ☐ x, y, and xx (see figure). Using Mohr's circle: a) Determine the principal stresses and the maximum in-plane shear stress acting at the point. b) Show these stresses in an appropriate sketch 12 MPa 27 MPa T 60 MPaarrow_forward5 kN-m A beam with an inverted tee-shaped cross section is subjected to positive bending mo- ments of M₂ = 5 kN-m. The cross-sectional dimensions of the beam are shown below. 10 mm Determine: (a) the centroid location, the moment of inertia about the z axis, 40 mm 5 kN-m K 150 mm H 15 mm 120 mm (b) the bending stress at points H and K. ans: 17.83mPa (c) the maximum bending stress produced in the cross section.arrow_forwardEXAMPLE 6.4 Draw the shear and moment diagrams for the beam shown in Fig. 6-7a. 15 kN 80 kN·m -5 m B -5 m (a) 5 kN/m Darrow_forward
- 2) A short rectangular post supports compressive loads of P- 175 kN and Q-90 kN, as shown in the figure below. A top view of the post showing the locations where loads P and Q are applied to the top of the post is also given. Determine the vertical normal stresses at corners a, b, c, and d of the post. P=175 kN Q=90 kN 160 mm 120 mm b 40 mm 160 mm a x d 60 mm 40 mmarrow_forwardFor the beam shown below: Find the equation for the shear force as function of x, V(x), along the x domains A-B (0 ≤ x ≤ 5 m) and B-C (5 m sxs 10 m), and draw the shear diagram for the beam. For each step, draw the associated free body diagram and indicate the equations of equilibrium used. Upload your answers in PDF. 2.5 m 15 kN 5 kN/m 80 kN·m Upload your D B 5m- ―5 marrow_forwardQ What is Theories of Brittle failure? Q, what do you mean for each of what's Coming? utں وہی رہیں > Tyiled , Puc > Sut, So, KP, Kt, q When to use this law. N= Out Ouc * Ouc 1 -Out (01+0₂) I'm a mechanical engineering student. I don't understand What is the difference ductile materials. between Brittle andarrow_forward
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