Excell Libros

1. The front brake - CORRECT ANS - is more powerful and Can provide at least 3/4 Of your total stopping power 2. When stopping - CORRECT ANS - Use both brakes 3. Using both breaks in a turn - CORRECT ANS - It is possible if you know the technique, but must be done carefully 4. When Turning - CORRECT ANS - Slow your speed, look through the turn where you want to go, and press the hand grip in the direction of the turn.

1. Most riders are riding slower than ___________ when a collision occurs. - CORRECT ANS - 30 mph 2. If you are wearing a motorcycle safety helmet, you are ___________ more times likely to survive a head injury. - CORRECT ANS - 3 3. A ___________ helmet with a lock-in visor provides the best coverage and protection. - CORRECT ANS - full-face 4. A plastic shatter-resistant face sheild helps protect from ___________. - CORRECT ANS - Wind, dust, dirt, rain, insects, pebbles

1. Which of the following statements is correct? a) Press left, lean right, go right b) Press left, lean left, go right c) Press left, lean left, go left - CORRECT ANS - b) Press left, lean left, go left 2. If a car is merging onto the freeway directly in front of you on the right, and a car is directly to your left, what should you do to create more space? - CORRECT ANS - Adjust your speed and stay in the center of your lane 3. In slow right turns: a) Lean the motorcycle only and keep...

Hondros Bio 117 - Exams Package Deal Complete Solutions

1. What fluid is made by the choroid? - CORRECT ANS - Aqueous humor. 2. This cavity of the eye is found in front of the lens. - CORRECT ANS - Anterior Cavity 3. This cavity of the eye is found behind the lens. - CORRECT ANS - Posterior Cavity 4. The jell-o like substance which gives the eye its shape. - CORRECT ANS - Vitreous humor 5. Lacrimal glands produce what - CORRECT ANS - tears 6. Extrinsic eye muscles are made of what type of muscle? - CORRECT ANS - Skeletal 7. What are...

The bronchioles are made up of what type of muscle? - CORRECT ANS - Smooth What neurotransmitter causes bronchodialation? - CORRECT ANS - Beta2 - adrenergic receptors What neurotransmitters causes bronchoconstriction? - CORRECT ANS - Acetylecholine What type of pleura lines the outside of the lungs? - CORRECT ANS - Parietal What type of pleura lines the inside of the lungs? - CORRECT ANS - Visceral The heart is found in what cavity? - CORRECT ANS - thoracic Which layer of the h...

1. Allows blood in pulmonary artery to flow directly into the descending aorta to bypass the pulmonary circulation - CORRECT ANS - ductus arteriosus 2. Ventricular relaxtion; diastole; t wave - CORRECT ANS - ventricular repolarization 3. Most important stimulus for the release of aldosterone - CORRECT ANS - renin 4. Volume of air in lungs following maximal inhalation - CORRECT ANS - total lung capacity 5. Provides oxygenated blood to brain - CORRECT ANS - circle of willis 6. Allow...

________________ can be found in the bones, nerves, skin, muscles, etc. - CORRECT ANS - Cells _________________ can be muscle, connective, and epithelial. - CORRECT ANS - Tissues ___________________ is a Branch of biological sciences that studies the structure of the body. - CORRECT ANS - Anatomy ______________________ is a Branch if biological sciences that studies how the body functions. - CORRECT ANS - Physiology ___________________________ is a Branch of biological sciences that ...

Leaks must be repaired on industrial process and refrigeration units with a 50-pound charge or greater when the annualized leak rate reaches _____ or more. A 10% B 20% C 30% D 40% - ANS - C 30% When dehydrating a system, it should be evacuated to a minimum level of; A 30 inches of Mercury B 25,000 Microns C 500 Microns D EPA does not have a requirement - ANS - C 500 Microns All HVAC/R systems must be protected by a; A Low-pressure switch B High-pressure switch C Compressor i...

In which way does ozone depletion affect humans - ANS - Increased risk of skin cancer and cataracts Is there evidence that refrigerants are in the stratosphere - ANS - Yes One molecule of chlorine can destroy how many molecules of ozone - ANS - 100,000 As technicians we must stay up to date on - ANS - Federal state and local law For universal certification you will receive how many questions - ANS - 100 What is passing grade for all epa certifications - ANS - 70% True or ...

The state of the refrigerant entering the metering device is? - ans - a subcooled high pressure liquid. What type of refrigerant is used in very high-pressure appliances? - ans - r-503 What type of refrigerant is used in medium pressure appliances? - ans - r-500 What type of refrigerant is used in high pressure appliances? - ans - r-410a and r-22

On low pressure chillers, moisture typically enters the refrigerant system through - ANS - air leaks from areas with gaskets or fittings The maximum test pressure for leak testing a low pressure centrifugal is: - ANS - 10 psig A hydrostatic tube test kit is used to: - ANS - determine if a tube leaks

R123 - ANS - HCFC CFC's were no longer manufactured or imported into the US after - ANS - 1995 When using nitrogen to pressurize a system you should always? - ANS - charge through a pressure regulator The EPA requires the installation of a service repair aperture or process stub on all appliances using s class 1 or 2 substance as a refrigerant. The main purpose is to make it easier to - ANS - recover refrigerant R500 - ANS - CFC It has been illegal to vent substitutes for ...

1. Heat pumps that have been retrofitted from R22 to R407C should be leak checked with: - ANS - pressurized nitrogen 2. When a new system has been assembled, the first thing to do is: - ANS - pressurize the system with inert gas and leak check 3. EPA regulations require that leaking commercial or industrial process refrigeration equipment must be repaired when the leak rate exceeds______ of the charge per year. - ANS - 35%

1. On low pressure chillers, moisture typically enters the refrigerant system through - ANS - air leaks from areas with gaskets or fittings 2. The maximum test pressure for leak testing a low pressure centrifugal is: - ANS - 10 psig 3. A hydrostatic tube test kit is used to: - ANS - determine if a tube leaks 4. Commercial and industrial process refrigeration systems must be repaired when the leak rate exceeds ____ of the charge per year. - ANS - 35%

1. Recovery equipment used for the service or repair of small appliances must be certified by an EPA approved lab if the recovery equipment was made after - ANS - November 15, 1993 2. Recovery devices made before 11-15-93 and are used for recovery of refrigerant from small appliances must be capable of: - ANS - recovering 80% of the refrigerant whether or not the compressor is operating or achieving a 4 inch vacuum under conditions of ARI 740-1993 3. EPA's definition of a small applia...

Carbon dioxide and carbon monoxide - ANS - during the combustion process the carbon content unites with oxygen in the air and forms At 150% of maximum working pressure - ANS - hydro static testing on piping shall be tested 8k va - 200k va - ANS - large portable diesel generators that service office complexes, factories and power stations range from Primary air - ANS - what type of air is used to contact the oil prior to it leaving the nozzle

Suction pump - ANS - circulates the oil throughout the system Suction line - ANS - has to be 6 inches from the bottom of the tank for sediment not to be absorbed Vacuum gauge - ANS - a device that measures pressure below atmospheric pressure/is used to indicate to the operator whether there is an obstruction in the suction line Excessive vacuum readings - ANS - indicate that there is an obstruction in the suction line

What are the two principal of fuel - ANS - Hydrogen and carbon During the combustion process the carbon content unites with oxygen in the air and forms what - ANS - Carbon dioxide and carbon monoxide What percent is the carbon content of fuel - ANS - About 85 % What is the percent of hydrogen content of fuel - ANS - About 14% Do diesel generators use primary air - ANS - No

1.- Where generally *Fuel-oil is used in buildings?* What purposes?* - ANS - Is used in *Stationary Equipment’s*, Two purposes: a) *Fuel Emergency Generators* b) *Fuel Equipment used to heat the building* 2.- What *COF is required* to supervise the *Fuel-oil transfer in the building from one floor to another?* - ANS - *P-98 and maintain all qualifications and comply w/ requirements applicable to such certificate holder* *The P-98 COF is premise-related* 3.- The use of the word *s...