Which below may require testing and metering to better understand a hazard or potential hazard. A. Air contaminants B. Electrical hazards C. Soils evaluation D. Noise E.All of the above

When operating a portable drill, you should have your bit resting on the material you are about to drill. True False

Bits are typically hot after use. True False

When using a keyed chuck (to tighten on the bit): Leave the chuck key in when using the drill Remove the chuck key before using the drill

A variation in pulse width at a fixed frequency is called: a. Duty cycle. b. Analog cycle c. Pulse-width modulation. d. Digital cycle.

Unmanned Aerial Vehicle Systems (UAVS) are capable of both passive and active sensing. True False

To protect workers when using compressed air for cleaning, employers must __ reduce pressure to 30 psi or lower remove guarding from the air pressure nozzle require the use of leg and foot protection increase pressure to 100 psi to remove debris faster

¿Cuándo se deben volver a calibrar los termómetros? Cada 4 horas Inmediatamente después de cada uso Si se cayó recientemente

Thermal printers use thermal paper with what kind of ink? Ink jet Toner Wax based

The angle accuracy of the TechAngle Wrench is +1- __ 3 percent clockwise 1 percent 1 degree 3 degrees clockwise

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