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Mrac [35]
2 years ago
9

In order to be sure a grinder used in production is operating properly, what feature of the grinder should be checked daily?

Physics
1 answer:
Luba_88 [7]2 years ago
7 0
<span>Fasten pedestal and bench grinders on a solid surface securely.Ensure all the guards are in place and secure before using a grinder.Adjust tool rests to within 3 mm (1/8 in.) of wheels. Never adjust rests while wheels are moving. Work rest height should be on horizontal centre line of the machine spindle.Maintain 6 mm (1/4 in.) wheel exposure with a tongue guard or a movable guard.Check that wheels have blotters on each side.Check the wheel fits properly to the spindle when mounting. If it is loose, get another wheel.Tighten the nuts before you turn the grinder on.Before you plug in the grinder, manually spin the wheel to make sure it is spinning freely.</span><span>Make sure the cables are not damaged and in good condition.Keep the cables out of the work area.<span>Wear proper personal protective equipment:<span>eye, ear and face protection,metatarsal safety boots, where required,respiratory protection may be required, depending on the work.</span></span>Wear gloves only where necessary and if there is no risk of entanglement.Stand to one side of the grinder until the wheel reaches operating speed.Bring work into contact with the grinding wheel slowly and smoothly, without bumping.Apply gradual pressure to allow the wheel to warm up evenly. Use only the pressure required to complete a job.Move the work back and forth across the face of the wheel. This movement prevents grooves from forming.<span>Wheels are made only for grinding certain items. Do not grind rough forgings on a small precision grinding wheel. is that enough</span></span>
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A car of mass 1500 kg is negotiating a flat circular curve of radius 50 m with a speed of 20 m/s.
Lilit [14]

Answer:

Explanation:

a. The source of centripetal force on the car is  (3) the static friction force.

b. ac = v²/R = (20²)/50 = 8 m/s²

c.  Fc = m(ac) = 1500(8) = 12 kN

d. μ = Fc/N = Fc/mg = 12000 / 1500(9.8) = 0.8163... ≈ 0.82

6 0
2 years ago
The universe is made up of
sasho [114]
The universe is made up of baryonic matter.(neutrons,electrons,protons)
5 0
3 years ago
elastic wire extend by 1.ocm when a load on 20g range from It, what additional load will it be required Cause the futher extensi
Citrus2011 [14]

Answer:

40g

Explanation:

20g range > 1.0cm

Therefore,

40g range > 2.0cm

6 0
2 years ago
The predictions of Rutherford's scattering formula failed to correspond with experimental data when the energy of the incoming a
Vera_Pavlovna [14]

Answer:

The radius of the gold nucleus is 7.1x10⁻¹⁵m

Explanation:

The nearest distance is:

r=\frac{kze^{2} }{mpV^{2} } (eq. 1)

Where

z = atomic number of gold = 79

e = electron charge = 1.6x10⁻¹⁹C

k = electrostatic constant = 9x10⁹Nm²C²

energy of the particle = 32 MeV = 5.12x10⁻¹²J

At the potential energy is zero, all the energy will be kinetic energy:

E_{k} =\frac{1}{2} m V^{2}

Where

m = 4 mp = mass of proton

5.12x10^{-12} =\frac{1}{2} *4*m_{p}* V^{2} \\m_{p}* V^{2} = 2.56x10^{-12}

Replacing in equation 1

r=\frac{9x10^{9}*79*(1.6x10^{-19})^{2}   }{2.56x10^{-12} } =7.1x10^{-15} m

8 0
2 years ago
In a given chemical reaction, the energy of the products is greater than the energy of the reactants. Which statement is true fo
Flura [38]

Energy is released in the reaction

Explanation:

In a given where the energy of the products is greater than that of the reactants, we can infer that energy is released in the reaction.

This indicates that the reaction is an exothermic or exergonic reaction.

These reaction types are accompanied by release of energy.

  • In an exothermic change energy is released to the surroundings.
  • The surrounding becomes hotter at the end of the change.
  • This applies in exergonic reaction which leaves a reaction having more energy than it originally started with.

Learn more:

Exothermic process brainly.com/question/10567109

#learnwithBrainly

3 0
3 years ago
Read 2 more answers
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