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JulijaS [17]
3 years ago
8

Which statement is not correct regarding the deformation of a circular shaft in torsion? a. Cross sections remain flat. b. Longi

tudinal lines remain straight. c. Circular sections remain circular. d. Radial lines on the sections remain straight.
Engineering
1 answer:
sveta [45]3 years ago
5 0

Answer:

B

Explanation:

Torsion is application of torque to a shaft to turn it about its longitudinal axis. When torque is applied to a shaft the circle remains unchanged in a circular state, its cross section does not warp but remains flat with a straight radial lines but its longitudinal lines changes into an helix intersecting the circular shaft

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What is the correct procedure for mounting the m240 on the m122a1 tripod after the pintle is attached to the receiver?
cluponka [151]

Using the front sight adjusting tool, loosen (turn counterclockwise) the adjusting screw on the front sight assembly the desired amount. Then tighten (turn clockwise) the opposite side screw on the left exactly the same number of clicks.

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The term "machine gun" refers to a rifled, autoloading, fully automatic weapon intended for continuous direct fire using rifle rounds. Other automatic weapons, such as automatic rifles, are often intended to fire in brief bursts rather than continuously, and are not regarded as real machine guns because of this.

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8 0
2 years ago
Air flows at 45m/s through a right angle pipe bend with a constant diameter of 2cm. What is the overall force required to keep t
HACTEHA [7]

Answer:

b)1.08 N

Explanation:

Given that

velocity of air V= 45 m/s

Diameter of pipe = 2 cm

Force exerted by fluid  F

F=\rho AV^2

So force exerted in x-direction

F_x=\rho AV^2

F_x=1.2\times \dfrac{\pi}{4}\times 0.02^2\times 45^2

F=0.763 N

So force exerted in y-direction

F_y=\rho AV^2

F_y=1.2\times \dfrac{\pi}{4}\times 0.02^2\times 45^2

F=0.763 N

So the resultant force R

R=\sqrt{F_x^2+F_y^2}

R=\sqrt{0.763^2+0.763^2}

R=1.079

So the force required to hold the pipe is 1.08 N.

3 0
4 years ago
Elena, the marketing manager at a consumer goods company, plans to send out questionnaires to random individuals (consumers) in
motikmotik

Answer:

A. Qualitative

Explanation:

Because they're looking for qualities to change in future products

7 0
3 years ago
Consider the base plate of an 800-W household iron with a thickness of L = 0.6 cm, base area of A =160 cm2, and thermal conducti
ratelena [41]

Given-

Power, P = 800W

Thickness, L = 0.6cm

Area, A = 160cm²

Thermal conductivity, k = 60W/mK

The heat conduction would be

\frac{d^2T}{dx^2} + \frac{d^2T}{dy^2} + \frac{d^2T}{dz^2} + \frac{e(gen)}{k}  = \frac{1}{\alpha } \frac{dT}{dt}

Except \frac{d^2T}{dx^2} all the values are 0.

Therefore,

\frac{d^2T}{dx^2} = 0

Thus, the boundary conditions here would be

1. Q_x_=_0 = -kA \frac{dT (0)}{dx} = Q_o

2. T(L) = T_L

4 0
4 years ago
Is A fine by the EPA may be imposed on the employer or
goldfiish [28.3K]

Answer:

No false

Explanation:

8 0
3 years ago
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