Who needs 609 certification? Any person who repairs or services a motor vehicle air conditioning (MVAC) system for consideration (payment or bartering) must be properly trained and certified under section 609 of the Clean Air Act by an EPA-approved program. All technicians servicing MVAC-like appliances must be certified. What certification is needed for HVAC? Environmental […]
What is the color of fresh apple?
What is the color of fresh apple? green How do I know if my apple is original? Make sure that Serial Number in the device under Settings > General >About matches the Serial Number on the box. If it correctly reports your model of iPhone you are presented with, like model, color and capacity, and […]
How do you find the total power dissipated in a series circuit?
Can Apple cider vinegar give you a chemical burn?
Can Apple cider vinegar give you a chemical burn? Apple cider vinegar can cause side effects. For example, applying undiluted vinegar to the skin for long periods can lead to burns and irritation. Do chemical burns go away? The amount of damage to the skin depends on how strong the chemical was, how much of […]
What is caused by ignition of air fuel mixture?
What is caused by ignition of air fuel mixture? During normal ignition, the spark plug fires just before the piston reaches TDC. The flame travels across the combustion chamber igniting the Air/Fuel Mixture. This causes a steady increase in cylinder pressure and forces the piston down on the Power Stroke. This causes a brief, but […]
What are the characteristics of structured programming?
What are the characteristics of structured programming? Structured programming is a program written with only the structured programming constructions: (1) sequence, (2) repetition, and (3) selection. Sequence. Lines or blocks of code are written and executed in sequential order. Repetition. Repeat a block of code (Action) while a condition is true. Selection. What is programming […]
What are the characteristics of ideal operational amplifier?
What are the characteristics of ideal operational amplifier? An ideal op amp is usually considered to have the following characteristics: Infinite open-loop gain G = vout / v. Infinite input impedance Rin, and so zero input current. Zero input offset voltage. Infinite output voltage range. Infinite bandwidth with zero phase shift and infinite slew rate. […]
How do you check thrust bearing clearance?
How do you check thrust bearing clearance? Mount a magnetic base to the engine and set the dial indicator to read off the crank snout. Gently pry the crank all the way forward and zero the gauge. The crank should move with very little effort and the dial indicator will read the clearance. In this […]
How can a simple machine reduce force?
How can a simple machine reduce force? A lever makes work easier by reducing the force needed to move a load by increasing the distance. A Lever is a simple machine consisting of a rigid bar that rotates about a fixed point, called a fulcrum. The lever makes doing work easier by reducing the force […]
What are the five things that makes a good driver?
What are the five things that makes a good driver? Putting you in the driving seat to remedy your misdemeanours. They know the speed limit. The first, and perhaps most obvious, thing to say about good drivers is that they know what speed they should be driving at. They focus on the road. They take […]