The coil of a relay is an - Study guides, Class notes & Summaries

IEC Year 3 Complete Set Exam Study & Practice Questions With Verified Correct Answers | Updated Which of the following is an example of a load? I. Relay Coil II. Solenoid III. Pilot Light Select one: a. I, II & III b. I only c. III only d. I & II only e. II only - ANSWER : a. I, II & III A qualified person must be trained in the skills and techniques to determine nominal voltage. Select one: a.True b.False - ANSWER : a. true A(n) ___ uses voltages in the range of 50 to 500...

Stationary Engineer Electric Exam Questions With Correct Answers Latest 2024/2025 (Graded A+) A 10-ohms and 20-ohms resistor are connected in parallel. The total line current drawn by this parallel combination is 30 amps. Under these conditions, the line voltage will be ____________ volts. - Answer 200 A 20-ohm resistor is connected in series with a parallel combination of two resistors, one of which is 10-ohms, the other 40-ohms. If the voltage across the parallel combination is 40 volts, ...

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 ...

CSLB C10 Test 1 | 120 Questions with 100%Correct Answers Already Passed. What is the minimum working clearance from an electrical panel under 600 V? 36" Voltage drop in wire is a function of: Wire gauge, Length of wire, Current flow in the wire A 12-volt direct current, 13-watt fluorescent light is controlled by a photocell. The average daily on-time is 12 hours per day. How many watt-hours are consumed by the light on an average day? 156 Where may you use nonmetallic-sheathed cable? i...

CSLB C10 Test 1 | 120 Questions with 100%Correct Answers Already Passed. What is the minimum working clearance from an electrical panel under 600 V? 36" Voltage drop in wire is a function of: Wire gauge, Length of wire, Current flow in the wire A 12-volt direct current, 13-watt fluorescent light is controlled by a photocell. The average daily on-time is 12 hours per day. How many watt-hours are consumed by the light on an average day? 156 Where may you use nonmetallic-sheathed cable? i...

HVAC Final Exam Electrical For Air Conditioning Questions and Answers 100% Pass When using a low voltage T-stat for heating and cooling, when would there be a jumper between Rh and Rc? Select one: a. When using a single transformer system b. When heating with an oil boiler c. When heating with a gas boiler d. When using a two transformer system - Correct Answer ️️ -A) When Using a single transformer system Digital thermostats usually display temperature, time of day, programming an...

When using a low voltage T-stat for heating and cooling, when would there be a jumper between Rh and Rc? Select one: a. When using a single transformer system b. When heating with an oil boiler c. When heating with a gas boiler d. When using a two transformer system - ANSWER A) When Using a single transformer system Digital thermostats usually display temperature, time of day, programming and operating status. Select one: True False - ANSWER True With the fan switch in the on posit...

BNSF Session 4 Exam Questions And Answers (Verified And Updated) If you have a track relay the two common resistance of the coil are ________ Ohms and _________ and are usually supplied with ________ volts? 2 Ohms, 4 Ohms, and 1-2Volts If you have a line relay the two common resistances of the coil are ________ Ohms and ________ Ohms and are usually supplied with _________ volts? 500 Ohms, 1000 Ohms, and 10-14 Volts In CTC territory, a hand throw switch is not sufficient protection,...

A thermal device that opens it's contacts when a motor heater coil uses too much current is a? correct answersTHEMAL RELAY What is the required ventilation for a 15,000 sq. ft. Collage Auditorium? correct answers33,750 CFM (2.25 CFM/Cu. Ft.) True or False? Like temperature's in all rooms would be a possible result of an unbalanced duct system? correct answersFalse (Result of a balanced system) What material is not to be used to vent low heat appliances? correct answersMasonry (Residen...

HVAC Work Ready Exam - Electrical Exam Questions And Answers Resistance is? Opposition to current flow An electron has? A negative charge R Impedance is? Opposition to alternating current flow Current flow is? Electron flow in a circuit The safety ground conductor is usually color coded? Green or bare. Like charges? Repel each other The symbol for current is? I Any material that will readily release electrons is called? A conductor Which of the following materials would be...