How can nanotechnology be used to benefit food security? Creating cheaper plastic packaging Designing smaller particles of salt and sugar to preserve food Developing more effective fertilizers Developing stronger pesticides

34. Lighting fixtures in a cooler must have bulbs that are easily removable. 100 watts. fluorescent. plastic shielded.

question A new system addition to the building is tied into the existing system mains using a rolling offset.The rolling offset consists of two flanged 22(1)/(2)^circ ells and a diagonal pipe assembly. The main pipe size is 6".The new main location is 1' higher and offset 2 horizontally from the existing main. The center-to center measurement of the offset pipe assembly is __ Round decimals to three places.Round all fractions to the nearest (1)/(8)th Refer to the appendix for fitting takeouts and allowances. Select one: a. 5'-10(1)/(8)'' b. 5'-2(5)/(8)'' C. . 6' d. 9'-10(1)/(8)'' e. 8'

What weld symbol is half round and shaded in? Seam Back or backing Melt Thru

Select the choice which best answers the following: Contaminated oil can result in: a) Cavitation and recirculation b) Failure of mechanical seals c) Ablue and black smoke d) A hot bearing housing

Select the choice that best completes the following statement. This component connects two shafts and can be readily disassembled and reassembled. a) Shaft Coupling b) Shaft Key c) Shaft Pin d) Shaft Bearing II

A nichrome heating element is used in tubular cased wire. True False

Sequencers energize heating elements one at a time. True False

The linear sequenced array produces a linear image shape via what method of energizing the elements? A By electronic beam steering B By steering with a motor C By sequencing D By phasing

7. - En el proeso de instalacion de un water heater electrico . antes de encender el breaker en el panel electrico debemos de asegurarnos que : los grifos esten abiertos el tanque este Ileno de agua la relief valve este abierta la temperatura sea la correcta

Hot Questions

9 Multiple Choice 1 point Which of the following is not a measurement function of a DMM? Pressure Voltage Continuity Resistance

An oilless lubricating system uses a well or reservoir in the end bell. A True B False Question 8 Which of the following statements about replacement capacitors is false? A They should have the same capacitance value as the original. B They should have a capacitance value up to $25\% $ greater than the original. C They should never be undersized. D They may have a capacitance value up to $10\% $ greater than the original.

Split-phase motors use a(n) __ to disconnect the start windings as the motor approaches running speed. A unloader B VFD C squirrel cage rotor D centrifugal switch Question 12 On a capacitor-start,induction-run motor, a centrifugal switch or relay disconnects __ when the motor reaches about $75\% $ of its rated speed. A the start winding only B the start capacitor only C both the start winding and start capacitor D both the start capacitor and run capacitor

Just before lifting off a rotary wing pilot must check the weather at the scene for a medical transport. In addition the pilot must also: Know the condition of the patient. Check the weather at the receiving hospital. Inventory all equipment on board the aircraft. Know the experience of the crew setting up the landing zone.

Advantages of ECMs include the following, except __ A ability to maintain constant airflow B easily replaceable brushes C efficient performance D variable speed Question 22 Important motor information such as rated voltage time rating, insulation class frequency, phase, and horsepower can be found on the __ A motor frame B motor nameplate C bearings D shaft

Which type of discontinuity is NEVER visible during visual inspection? underbead cracking porosity toe cracks undercut

The NEC in Table 210.24 shows that the minimum conductor size for branch-circuit wiring is __ 16 AWG 20 AWG 18 AWG 14 AWG

424170 What is the minimum number of trenches that should be dug across a truck-bed, railcar, or barge to acquire a representative sample? 3 (three) 4 (four) 5 (five) 7 (seven)

Nickel alloys should not be heat-treated. Select one: True False

The operator interface audible alarm sounds when there is a hydrogen event. Select true or false. True False