Select the choice that best answers the following question. Which of the following is true? a) Brake valves are a safe way to bring a motor to a stop b) Counterbalance valves sequence cylinders in their strokes c) Unloading valves are used to prevent fluid flow under heavy loads d) Relief valves are most effective in systems with intermittent pressure

Why would the brake warning light come on when you press on the foot brake? It is letting you know the foot brake is on. It's saying you should check your oil. Your vehicle's brake system isn't working properly. It's saying you should brake harder.

Typically,modern cars can go between 5,000 and 7 ,500 miles or more before an oil change is necessary. 1 True 2 False

41. Which is not true of a liquid line receiver? a. It eliminates the need for an exact charge b. It prevents liquid from flooding back to the compressor c. It helps prevent flash gas by ensuring that liquid refrigerant remains sub-cooled d. It can hold the refrigerant during automatic pumpdown

Which is an advantage of portable wheel blast systems compared to conventional air abrasive blasting? A. Economical B. Consistency level of cleaning and profile C. Waste reduction D. All of the above

How often should you inspect side seals? A. Once a day B. At the beginning of the job C. 2 to 3 times a day D. At the end of the job

Technician A uses compressed air to blow dirt from his clothes and hair. Technician B uses compressed air to clean off the top of a workbench. Who is correct? a. Technician A b. Technician B c. Both Aand B d. Neither Anor B

El requisito pará la protección de la sierra radial incluye: Encerrando la capucha superior de la hoja Porción expuesta de medio diámetro de la hoja Tener dedos o perros de contragolpe Paradas ajustables

A refrigeration system at your company uses temperature sensors fixed to read Celsius (^circ C) values, but the system operators in your control room understand only the Fahrenheit scale. You have been asked to make a Fahrenheit (^circ F) label for the high temperature alarm, which is set to ring whenever the system temperature rises above - 10^circ C . What Fahrenheit value should you write on the label? A -50^circ F B -23^circ F C -18^circ F D 140F E 26^circ F

A motor is operating at 3450 RPM and is producing a torque of 32 lb-in. What is the output horsepower of the motor? 4.57 hp 1.75 hp 2.13 hp 6.93 hp

Hot Questions

Select the choice that answers the question correctly. What should you do when inspecting battery-operated lifts? a) Contact the manufacturer before inspecting b) Open the battery compartment to see if the cells are properly sealed c) Make sure the lift is plugged in during inspection d) Operate the lift before inspecting

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

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

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

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

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

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

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

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