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Turning off the main knob of the cylinder while the gas is not in use prevents any leaks or accidental release of gas, ensuring safety and conservation of gas supply. It also reduces the risk of fire hazards and gas wastage.

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1y ago

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Why should you never turn the coarse objective knob downward?

Turning the coarse objective knob downward can cause the objective lens to come in contact with the slide, potentially damaging both the lens and the slide. It is best to always start with the coarse knob in the upward position to prevent any accidental collisions.


Why should you never force a balance knob to turn?

The knob may break.


How do you ignite a gas hob?

To ignite a gas hob, ensure the gas is turned on at the main valve. Then, push and turn the corresponding knob to the "ignition" or "light" position while pressing the ignition button (if available). Once the flame lights up, continue to hold the knob for a few seconds before releasing it.


What are the 2 knobs on a microscope called?

There are two adjustment knobs (coarse and fine) on a microscope so you can move the stage at two different speeds. The coarse moves a lot per revolution, while the fine adjustment knob moves the stage at such small increments that it is nearly impossible to notice when looking from the side. The coarse adjustment knob should be used to get the stage closer to the lens only while you are looking at the microscope from the side. The fine adjustment knob can be used when you are looking into the microscope because there is a much lower chance of running the stage into the lens and breaking it.


Why must the coarse-adjustment be turned forward only while watching from the side?

The coarse adjustment knob of a microscope should be turned forward while observing from the side to prevent accidental damage to the slide or the objective lens. This helps ensure that the lens does not crash into the slide, which could break the slide or the lens itself. Observing from the side allows the user to maintain visual awareness of the distance between the lens and the specimen, ensuring safe adjustments. This practice is crucial for maintaining the integrity of both the equipment and the samples being viewed.

Related Questions

Which way should the knob be turned in the UFO on astro knights island?

x 56 y 52


How do you remove stick shift knob on 2001 S10 Chevy?

This is tricky, there should be a nut at the bottom of the knob. Turn this nut to the right, this should leave room to hold it tight while you turn the knob left. This is done while sitting correctly in the seat(for direction purposes). The knob should come off with a little elbow grease.


Why must the course adjustment knob be turned forward only while watching from the side?

The course adjustment knob must be turned forward only while watching from the side to ensure that the microscope's objective lens moves closer to the specimen. This allows for focusing on the specimen and achieving a clear image. Turning the knob in any other direction may result in moving the objective lens away from the specimen, leading to an out-of-focus image.


What part of the microscope is turned to get a clear image of the specimen?

The focus knob is turned to adjust the focus and get a clear image of the specimen under the microscope. Turning the focus knob moves the lenses up and down to bring the specimen into sharp focus.


What is the large knob on the side of a microscope that should be used first when viewing a slide?

This is the coarse adjustment knob. This should be used before the fine adjustment knob (the smaller knob) - which is for fine focusing.


When absorbing a specimen under medium power which adjustment knob should be used to focus the image?

The fine adjustment knob should be used to focus the image while absorbing a specimen under medium power. The fine adjustment knob allows for precise focusing by making small adjustments to the focus point.


Why is the light out on your Honda accord lx dashboard?

Look at the turn signal knob. The end of the knob rotates back and forward. For the dashboard lights to be on, this knob must be rotated to the first click when rotated away from you. The next click turns on the headlights. However, this knob should be turned off when turning off the car, so as to not wasting the battery. Unfortunately the car doesn't have an 'auto' option for the lights.


Why should you never turn the coarse objective knob downward?

Turning the coarse objective knob downward can cause the objective lens to come in contact with the slide, potentially damaging both the lens and the slide. It is best to always start with the coarse knob in the upward position to prevent any accidental collisions.


Why should you never force a balance knob to turn?

The knob may break.


What is the small and big knob called on a microscope?

The small knob is called the fine focus knob, and the big knob is called the coarse focus knob on a microscope. The fine focus knob is used for precise focusing, while the coarse focus knob is used for initial focusing.


What will cause your 1994 dodge spirit not start none of your dash light are on?

The dimmer control knob (usually the headlight knob) is turned down. Turn it to adjust the brightness


How do you shift a 93 wrangler 4-cylinder standard into 4WD Lo range tried to follow shift knob pattern and couldn't get it to go.?

That should be one stop after neutral on the shifter.