ECONOMICS,NURSING,BIOLOGY AND ALL REVISION MATERIALS

AVIT 105 Block 1 Exam Questions and Answers What are the different types of shutdowns? - ANSWERS --Routine Maintenance Shutdown --> on a a navaid should be scheduled in advance at least 5 hours to allow a NOTAM to be issued -Emergency Shutdown --> if possible should be given an hour in advance so that appropriate dissemination may be made before the shutdown -Extended Maintenance Shutdown --> may notify the NFDC sufficiently in advance to permit publication of the information pri...

AVIT 221 Final Exam Questions and Answers NextGen will eliminate the need for Crew Resource Management - ANSWERS -F WAAS provides service for all classes of aircraft in all phases of flight - including en route navigation, airport departures, and airport arrivals. - ANSWERS -T Although NextGen promises to shorten aircraft routes, unfortunately there is not expected to be a corresponding reduction in fuel utilized to reach any particular destination - ANSWERS -F The FAA's NextGen...

AVIT 126 Practice Final Exam Questions and Answers A benefit of vertical takeoff and landing (VTOL) UAS are: - ANSWERS --Smaller launch/recovery area -Rapidly deployable -Great low speed maneuverability Optionally Piloted Aircraft (OPA) has been around since the WWII era. - ANSWERS -True Remote sensing is currently the most common use of UAS? - ANSWERS -True This type of hybrid UAS platform uses two counter-rotating propellers mounted in a tractor configuration on rotating nacell...

AVIT 325 Block 3 Exam Questions and Answers Normal Ways to DC autopilot - ANSWERS -Red button DC Push A/P TO/GA Electric Trim Abnormal ways to DC autopilot - ANSWERS -Pull pitch trim/ap circuit breaker Stall warning OEI generals with autopilot - ANSWERS -D/C and manually fly Retrim, positive control may reset if desired Continue manually or with A/P while continuing approach checklist Automatic Autopilot occurrences - ANSWERS -Internal AP Fail AHRS fail ADC fail Inability...

AVIT 325 Block 2 Exam Questions and Answers IFR destination airport WX minimums - ANSWERS -no person may takeoff an aircraft under IFR unless the latest weather reports or forecasts meet the approach minimums IFR alternate fuel requirement - ANSWERS -enough fuel to complete flight to first airport, then alternate, then 45 minutes after Alternate requirements - ANSWERS -Must file alternate unless 1hr before or after ETA ceiling will be at least 1,500ft above the lowest circling MDA or ...

Avit 415 Exam 3 Questions and Answers

BUNDLE - HVAC EXAMS

HVAC Exam Questions with Verified Solutions What ratio would tax the blower in an HVAC system? - ANSWERS -Don't go beyond 4 to 1 ratio with regard to width over depth. Duct Section - ANSWERS -X Return Air Section - ANSWERS -Slash (/) Exhaust Air Section - ANSWERS -Half-X How do you determine with air flow and velocity of a circular section? - ANSWERS -(Q/V = A) Air flow (fpm) divided by velocity (cfm) = circular section area (sqft) Name all the components of an air source ...

HVAC Apprenticeship Practice Exam Questions and Answers The main purpose of the accumulator is to: - ANSWERS -Prevent liquid slugs at the compressor Heat that changes the physical state of a substance without effecting a change in its temperature is known as: - ANSWERS -Latent heat The location of the thermal bulb for the TXV on the evaporator affects: - ANSWERS -The amount of liquid in the evaporator If the spring is adjusted to increase the superheat, this new setting will: - ANS...

SC HVAC EXAM QUESTIONS AND ANSWERS Discharge Line - ANSWERS -the refrigerant line that carries the discharge refrigerant from the compressor to the condenser Hot Vapor wet bulb temperature - ANSWERS -The lowest temperature that can be obtained by evaporating water into the air. Economizer - ANSWERS -Present in the Liquid Line Evaporator - ANSWERS -The Liquid Freon is completely Vaporized just before the end of the Evap Humidity Ratio - ANSWERS -Weight of water vapor in a mixtur...

HVAC EPA Exam – Core Questions and Answers measuring a systems vacuum should be done with the system - ANSWERS -isolated and the vacuum pump turned off a system that will not hold a vacuum probably - ANSWERS -has a leak disposable cylinders are used only with _____ refrigerant and may NEVER be used for _________ - ANSWERS -virgin; recovery refrigerants must not be filled above __% of its capacity weight - ANSWERS -80% when leak checking a system, NEVER pressurize the system wi...

HVAC Excellence - ELECTRICITY Exam Questions and Answers Two 120 volt incandescent light bulbs are wired in series, one is a 60 watt bulb, the other is a 4 watt bulb. The result would be - ANSWERS -both bulbs light A 240 Volt, 3 wire circuit can be split into two 120 Volt circuits. - ANSWERS -TRUE Which of the following in not a factor in determining impedance in an AC circuit? - ANSWERS -Frequency When current flows, a _______________ is produced around the conductor. - ANSWERS -m...

HVAC EXAM 2 QUESTIONS AND ANSWERS the first las states that - ANSWERS -energy cannot be created or destroyed the second law - ANSWERS -heate trbale to higher to llower the rate of which transfer is faster if - ANSWERS -... the three basic methods of hear transfer are - ANSWERS -dConduction,convection and ration a metal rod is heated on one end and travles form that end to the cooler - ANSWERS -Conduction the air circulating inside a refrigerator is an example of - ANSWERS -Co...

HVAC Practice Test Questions and Answers Every mechanical refrigeration system has __________ different pressure levels. a. 2 b. 3 c. 4 d. 5 - ANSWERS -a. 2 Vaporization can be increased by _____________ the pressure on a liquid. a. Increasing b. Equalizing c. Reducing - ANSWERS -c. Reducing Pressure on the high pressure side of a mechanical refrigeration unit is called _______________. a. suction pressure b. discharge or head pressure c. differential l pressure d. absolute...

hvac 4 exam questions and answers What does amplification mean to in indoor air quality terms - ANSWERS -a contaminant's ability to grow and spread What is the odorant commonly used in natural gas? - ANSWERS -Mercaptan VOCs are - ANSWERS -Volatile organic compounds The route that a pollutant takes to enter a building or area is called - ANSWERS -A pathway The most effective method for maintaining acceptable indoor air quality is - ANSWERS -Reduction and/or elimination of the ...

HVAC D2 License Test Questions and Answers BTU is the abbreviation of ________________. it is the quantity of heat needed to raise the temperature of 1 pound of water 1 degree. - ANSWERS -british thermal unit what determines an oil burner rating - ANSWERS -nozzle size how far off a crawl space floor as a minimum, must a duct be installed - ANSWERS -4 what is the color code of R-11 refrigerant - ANSWERS -orange what is the minimum height off the floor that an oil fired appliance ...

HVAC Final Exam Electrical For Air Conditioning Questions and Answers The main valve in a 4-way reversing valve is moved by pressure created by ____. Select one: a. change in the action of the metering device b. low and high side pressure difference c. pressure reduction in the condenser d. refrigerant boiling in the coil - ANSWERS -b. low and high side pressure difference The suction line is connected between the ____. Select one: a. inside and outside coil outlets b. compressor...

Hvac Journeyman Exam Questions and Answers Leaks in gas piping shall be located _____.(A) with a sniffer(B) with a presto-lite flame (C) with a noncorrosive leak-detecting fluid (D) by increasing the air pressure during a test until the leaks are heard as a whistle. - ANSWERS -C. leaks in a gas piping shall be located with a non corrosive leak detecting fluid. UMC Section 1316.4.2 Condensate drain piping shall have a slope of not less than _____ inch per foot. A 1⁄8" B.¼" C.½...

HVAC Test 1 Questions and Answers What is the unit of measure used for the calculation of metabolic rate? - ANSWERS -Met What is mean radiant temperature? - ANSWERS -Weighted average of the temperatures of all the surfaces in direct line of sight of the body True or false? Heat flows from a point at a higher temperature to a point at a lower temperature - ANSWERS -True What is a good indicator of total heat content of an air-water vapor mixture? - ANSWERS -Dew-point temperature ...

HVAC Master Exam Questions and Answers Air filter shall be installed at - ANSWERS -Return air duct Best way to prevent dirty sock syndrome - ANSWERS -Germicidal light What is on low side pressure - ANSWERS -Evaporator The burner on a gas hydronic heating system is controlled be - ANSWERS -High limit control What prevent system from slugging - ANSWERS -Accumulator Desciccant is used in - ANSWERS -Drier A boiler operates at 150psi and 225 degree is called - ANSWERS -Low pres...