Technician A says that the most efficient method of EVAP system leak detection is introducing smoke under low pressure from a machine specifically designed for this purpose. Technician B says that nitrogen gas pressurization uses nitrogen gas under a very low pressure (lower than 1 psi) in the fuel system; you listen for escaping air with amplified headphones. Who is correct? A) Technician A B) Technician B C) Neither Technician A nor B D) Both Technicians A and B

Which of the following is important for the maintenance of a single piston floating caliper? Front wheel bearing adjustment Positioning of caliper piston Slider to caliper body clearance Caliper to Piston bore clearance

The current primary standard instrument for pneumatic calibration is the __ manometer. digital inclined mercury red oil

A(n) __ connection is a 3-phase connection that has one end of each coil connected and the other end of each coil left open for external connections. a. close b. delta c. open d. wye

A delta-connected three -phase alternator is driving a wye-connected resistive load. The alternator output voltage is 960 V.The load resistors are 12Omega 12 Q each. What is the phase current in the alternator? 80 Amps 26.66 Amps 20 Amps 40 Amps

To test the atmosphere in a tank you should test the atmosphere at: Select one: a. Top Ob. Middle c. Bottom d. All the above

For two single-phase transformers to operate satisfactorily in parallel, they must have the same voltage ratio and __ a. different percent impedances b. different turns ratios c. opposite polarities d. the same percent impedance

You should loose the lug nuts one by one in a clockwise position. True False

Never go under a vehicle that is only supported by a jack. True False

What type of branch circuit has two or more ungrounded conductors that have a voltage between them, and a grounded conductor that is connected to the neutral or grounded conductor of the system, with equal voltage between it and each ungrounded conductor of the circuit? appliance multiwire general-purpose individual

Hot Questions

14. Fatal electrocution is the only real risk when working near overhead power lines. (Required) True False

True or False:The aggregate working load limit of tie downs used to secure an article or group of articles against movement must be at least 2 times the weight of the articles or group of articles? True False

A simple Kimwipe taped to the bottom of a hood sash so that it can blow in the wind (Source: ACS) cannot be relied upon as an indicator of airflow though inexpensive, is a much more sensive measure of airflow than most electronic airflow indicators is a reasonably good way to tell if the hood is working properly

What's a good height for the installation of a duplex receptacle in a bathroom or laundry? 24 in. 40 in. 36 in. 48 in.

On electrical plans.graphic symbols indicate the exact locations of electrical equipment such as switches and receptacles and are drawn to scale. True False

What is the FIRST step in the servicing of valves? to cut off service to identify the problem to determine the cause: to efficiently make the repair

In comparing vertical and horizontal separators of the same size and equal pressure, you will find that: The horizontal separator has the greater capacity. D The vertical separator has the greater capacity. They both have about the same capacity.

An occupancy sensor can be used to control lighting loads so they operate only when a room is occupied. True False

As a safety measure when starting a gas furnace, you should position yourself: Select one: A. In any position so long as you are not touching the furnace. B. Off to the side of the furnace access cover. C. Directly in front of the burners in order to observe the lighting sequence. D. In front of the furnace access cover.

Un signo de baja carga de refrigerante en un refrigerador es: Se acumula la helada prematura con los puntos calientes en la bobina del evaporador El compresor funciona más silencioso de lo habitual y se pone muy caliente Los dos de los anteriores Ninguno del los anteriores