In general, bury metal conduits at least 6 inches below the soil surface. You may also run them at a depth of 4 inches under a 4-inch concrete slab. Under your driveway, the conduits must be below a depth of 18 inches, and under a public road or alleyway, they must be buried below 24 inches.
Coupling is a process through which a tractor and other farm equipment are coupled (joined) together through the use of a pickup hitch and a tongue, while using them to work.
Basically, a coupling assembly connects (joins or couples) a towed equipment such as a trailer having a tongue to a tractor that has a pickup hitch.
Some of the precautions which must be taken before, during and after coupling a tractor to a towed equipment:
- You should check your path for any hazard before you begin coupling.
- You should check the normal air pressure for the braking system of the towed equipment.
- You should use a<u> low gear</u> when rolling up the landing gear after coupling the two equipment. This is to ensure that the rate at which the landing gear is moving isn't too fast considering the weight of the trailer.
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Answer:
The pressure that the water exerts on the bottom of the tank is 59.2 kPa
Explanation:
Given;
height of tank, h = 5m
height of water in the tank, = 4m
pressure at the top of the tank, = 20 kPa
The pressure exerted by water at the bottom of the tank is the sum of pressure on water surface and pressure due to water column.
Therefore, the pressure that the water exerts on the bottom of the tank is 59.2 kPa
When the in-plane shear stress is at its highest, it is true that the normal stresses are equal.
Their combined value is σn+σt.
<h3>What is in-plane shear stress?</h3>
- 6.3 ksi is the maximum in-plane shear stress. 10.2 ksi is the maximum out-of-plane shear stress.
- By examining Mohr's circle, we may understand why out of plane shear stress is the highest.
- Maximum in-plane shear stress is indicated by the inner blue circle radius (6.3 ksi).
- Maximum shear stress planes are 45 degrees from the major planes.
- The principle stress is the highest stress that may be created in a plane, and the principal stress refers to the principal plane when shear stress is zero.
The complete question is:
What is true about the normal stresses when the in-plane shear stress is maximum? Select all that apply.
a) They are equal.
b) They are zero.
c) Their sum is equal to σn+σt.
d) They are maximum.
e) They are equal to shear stress.
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Answer:
C.30°
Explanation:
Given that compound swivel base is set on 60° at the lathe center line index.
We need to find reading on cross slide index
We know that relationship between center line index and cross slide index in angle 2∝=β
Where ∝ Angle of swivel and β is the reading on cross line index.
So by using above relationship between center line index and cross slide index
2∝=60°⇒∝=30°
So our option is C.