Power amps - Study guides, Class notes & Summaries

What are the 3 funtions of an Oil Burner nozzle? - Answer- Atomize, Meter, Patter. What are the 2 voltage circuits of a primary control? - Answer- Line & Low. What is the function of a fuse? - Answer- Protect circuit. What is the High Limit cut out? - Answer- Max safe Temp or Pressure setting. What is the High Limit cut in? - Answer- Cut out minus Differential. What is the "Max" Lockout time for a burner with a 3 GPH Flow Rate? - Answer- 45 Seconds. What is the minimum stack ...

Elevator mechanics exam 300 Questions And Answers Review Exam | Questions and Answers Graded A+ Latest 2024/2025 What's the equation for the volume of the cylinder? - CORRECT ANSWER V (volume)= pi multiplied by R squared multiplied by the height Example: radius is 6" height is 30 V=3.1416•6•6•30 A drill draws a current (I) of 4.5 amps and resistance of 16.0 ohms, how do You find the power(watts)? - CORRECT ANSWER P=I squared (amps) multipled by R(resistance) Example:P=4.5...

The Associate CET Study Guide (Diagram Questions) Already Passed An open is found in the series connected load of the transistor amplifier circuit as shown. If a voltmeter were connected from the open side of the resistor ( top point of the open as shown ) to ground , what will be the reading? A. 0 volts B. -12 vdc C. Half of +Vcc D. None of the above B. -12 vdc What is the voltage drop across the 2000 ohm resistor as shown in the amplifier? A. 7.5 vdc B. 8.0 vdc C. 9.0 vdc...

Second Year IEC Final Exam Questions and Answers 100% Pass ______ in utility transmission lines reduces the power losses in the transmission conductors. increasing the voltage ______ shall not support luminairs weighing over 6 lb. lampholder _______ surrounds the windings in typical "pole-mounted" transformers. oil 40C = ____ F 104 A .25KVA transformer has a nameplate rating of 240/480 primary volts 120/240 secondary volts. IF rated voltage is applied to the primary the sec...

Buckling in a horizontal vinyl siding is generally caused by A. reflected light B. improper fastening C. condensation in the walls D. improper house wrap B. improper fastening At what level would water pressure within a single-family dwelling begin to be considered excessive and require correction? A. 60 psi B. 80 psi C. 100 psi D. 120 psi B. 80 psi A newer home with electric heat is being inspected. It has a below grade finished basement containing a bedroom. The inspect...

Hot or live wire - Ungrounded conductor Neutral wire - Grounded conductor Panel earth ground - Grounding electrode conductor Earth or ground wire - Equipment grounding conductor Grounding rod - Grounding Electrode Main disconnect - Service disconnect Main panel - Service or distribution electrical board with a service disconnect Sub-panel - distribution panel board without a service disconnect Panel cover - Deadfront Wires to outlets - Branch circuit conductors Outlet - Lighting ando...

HVAC Excellence - ELECTRICITY Exam Questions and Answers Already Passed Current flow is: The flow of electrons in the circuit. Impedance is: Opposition to alternating current flow. Like charges; repel each other. Any material that will readily release electrons is called; A conductor The symbol for current is; I Which of the following materials would be best suited for use as a semi-conductor? silicon The safety ground conductor is usually color coded; green or bare. An ...

Epri Practice test with 100% correct Answers If a generator is producing 500 MW and 200 Mvar, is the generator? A. Leading B. Lagging C. Underexcited D. Dropping - answerB. Lagging What is the IEEE device number for a differential relay? A. 87 B. 86 C. 67 D. 50 - answerA. 87 Can a synchronous machine have a negative torque angle? What does this mean? A. Yes / the machine is absorbing reactive power B. No / the machine is absorbing active power C. No / the machine is absorbing rea...

BOMA: Motor Controls Exam Questions With Expert Revised Answers <Guaranteed Pass!!> A 3600 RPM motor has: - ANSWER : two poles If you throttled the discharge side of a centrifugal pump into closed the amps would: - ANSWER : go up The common method of correcting power factor is: - ANSWER : add a capacitor To convert AC to DC you would need: - ANSWER : rectifier *To convert DC to AC we would need: - ANSWER : converter or inverter The actual full load amps of a moto...