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

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

Isolated ground receptacle is an insulated grounding conductor that is run from neutral terminal at the main service entrance to the isolated ground terminal on the receptacle. True False

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

How do we calculate the "Wing Area" of an airfoil? Divide the maximum chord width by the span Multiply the mean camber by the span Divide the span by the average chord width Divide the minimum chord width by the span Multiply the span by the average chord width

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

Question 17 of 32 A scientist is working to develop a new adhesive material. What is the best way for the scientist to accomplish this goal? A. To discuss ideas with scientists who have similar perspectives and training B. To work with a variety of scientists with different ideas and backgrounds C. To share ideas with other scientists but disregard opposing opinions D. To work alone until the material is developed

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

Cite three examples to describe how an engineer ensures that his or her designs are made to scale.

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