What is the maximum number, of size 14 awg conductors allowed in a 4times 1-1/4 round/octagonal electrical box? square

Open loop systems use sensory feedback to correct movement while the movement is being performed. True False

Characteristics of an open-loop control system include all of the following EXCEPT Preplanned instructions that specify the functions to be performed feedback to provide information that arises from various sensory systems a system that carries out the instructions with little or no modifications it is used to explain rapid and discrete movements

The outside diameter of schedule 40 black iron pipe is approximately: Select one: A. 1/4 inch larger than the pipe's nominal size. B. 3/16 inch larger than the pipe's nominal size. C. 1/8 inch larger than the pipe's nominal size. D. The same size as the pipe's nominal size.

Why is a vehicle's suspension system important? It provides braking power It makes vehicle registration easier It ensures traction for safe vehicle control It keeps the engine from overheating

To unload a reciprocating compressor, hot gas bypass across the cylinder is the best method. True False

Electronic starters are much smaller than conventional starters. True False

You can reduce your vehicle's blind spot by __ installing oblique mirrors installing flat mirrors installing larger side mirrors installing dynamic mirrors

This keeps the handwheel from backing completely off the ball. Select the correct response: The Roll Pin. The Coupler. The Spring bolt. The Ball clamp.

Which type of alternative vehicle fuel has a flame that is invisible during the day and should be allowed to burn itself out? Select one: a. Biodiesel b. Compressed natural gas c. Hydrogen d. Liquefied natural gas

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