32) Equipment such as chafing dishes, steam tables and heated cabinets designed to hold foods hot should at least keep food temperatures at a) 135^circ F(57^circ C) b) 140^circ F(60^circ C) c) 155^circ F(68^circ C) d) 165^circ F(74^circ C)

Which of the following is NEVER a necessary item for an automatic exposure technique chart? mAs kVp back-up exposure time photocell configuration

The operating principle of float-type carburetors is based on the 1) automatic metering of air at the venturi as the aircraft gains altitude. 2) difference in air pressure at the venturi throat and the air inlet. 3) increase in air velocity in the throat of a venturi causing an increase in air pressure.

What device measures the angle of the boom relative to the horizontal? Boom angle indicator Counterweight Load moment indicator Proximity alarm

Which device would be the most helpful if you're operating a crane in heavy winds? Anemometer Load moment indicator Proximity alarm Counterweight

You'll be working on an elevated crane platform 8 feet above the lower level. The platform has guardrails on three sides but one side is unprotected. Which of the following do you need? Hard hat Proximity indicator PFAS Good balance

A two-stage amplifier has the following lower critical frequencies: 35 Hz and 68 Hz, The upper critical frequencies are 140 kHz and 1.5 MHz. The midrange bandwidth is approximately 58 Hz 140 kHz 35 Hz 1.6 MHz

ASSESSMENT Technician A says a visual inspection of the battery and a parasitic load test are both required during PDS. Technician B says tire pressure should be checked and adjusted to specifications during PDS, including performing cold -weather tire pressure adjustments. Who is right? (Select the best answer, then click SUBMIT) A only B only Both A and B Neither Anor B

Powered and rotating type concrete troweling machines that are manually guided shall be equipped with a control switch that will automatically shut off power whenever hands of operator are removed from equipment handles. A. True B. False

All the technology listed below was needed to send astronauts to the moon and return them safely to Earth. Which technology was already used on Earth for purposes other than sending astronauts to the moon? Spacesuits protected astronauts from radiation and extreme temperatures on the moon's surface. The space capsule protected the astronauts from the extreme conditions in the vacuum of space. The lunar lander allowed astronauts to land on the moon and take off back into space to return to Earth. Radio wave communication allowed the astronauts on the moon to talk to people on Earth.

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